Tychem Vapor Protective Garments Tychem Vapor
Contents
1. 88 9 6 13 Donning the 14 Doffing the Garnient Raya SORU 17 Decontamination and Cleaning 18 Garment Retirement Considerations 19 Disposal 20 Limitations ELS s 20 25 Responsibility of Users aaa da a a ad 25 Warranty d d 26 Garment Inspection and Test Log 27 Garment Sizing Chart ALA 28 Safety Considerations Be sure to read and follovv the information in this manual and all applicable federal state and local occupation safety and health statutes Serious injury or death may occur from improper use of these garments Proper use must be consistent with NFPA 1500 Standard on Fire Department Occupational Safety and Health Program and 29 CFR 1910 132 NOTE Only Tychem ThermoPro garments are designed and tested to help reduce injury during escape from a flash fire Users of Tychem ThermoPro garments should not knowingly enter an explosive environment i e an environment in which the concentration of flammable gas or solids is within flammable limits These garments are not suitable for use in all situations and environments with all chemical and hazardous materials All decisions regarding the ch2. Apply anti fog to inside of visor if present Remove shoes If the garment has attached socks these socks are worn inside outer chemical boots These sock boots do not have adequate durability or slip resistance to be worn as the outer footwear covering An assistant should help the wearer don the garment While sitting insert feet into garment legs and down into sock boot if so equipped Stretch legs out to maximum extension while pulling garment up around hips If the garment has outer boot covers pull the boot covers up and don outer boots Then pull boot cover down over boots as far as possible If the garment does not have socks pull the garment cuff up before donning the boot then pull the cuff down over the outside of the boot Place one hand in the sleeve and pull garment sleeve to shoulder Make sure hand is securely inside the glove if attached Place other hand in sleeve and glove if attached and pull the garment over that shoulder If gloves are not attached to the garment pull up the sleeve don the gloves and pull the sleeve opening over the gauntlet of the glove Don respirator facepiece and check its function If using an SCBA disconnect the air supply from the facepiece if possible to save air supply Don protective headgear if it is worn underneath the garment hood and communication equipment 16 I7 18 19 20 21 Place attached hood over the head and close zipper After check
3. is a trademark of the American Conference of Governmental Industrial Hygenists ACGIH Cincinnati Barrier is a registered trademark of Ansell Edmont Silver Shield is a registered trademark of North Safety Products Copyright 2005 E I du Pont de Nemours and Company All rights reserved DuPont Personal Protection P O Box 27001 Richmond VA 23261 1 800 931 3456 www personalprotection dupont com 30
4. Apparatus for Fire Service or 2 an external breathing air supply air line system with garment pass through and escape bottle Full face air purifying respirators APR and powered air purifying respirators PAPR worn with Tychem ThermoPro garments should be suitable for use in a flash fire environment An over cover should be considered for Tychem ThermoPro garments where there is a risk of abrasion puncture cut tear or flame impingement to the garment e Separate user supplied protective footwear If the Tychem ThermoPro garment has attached socks these socks must be worn inside the protective outer footwear These socks are not suitable as outer footwear Tychem ThermoPro garments with attached socks are also equipped with outer boot covers to prevent liquid pooling inside the boot After the garment is donned the boots are donned and the outer cover is pulled down over the upper portion of the boot e Outer gloves tested suitable for thermal protection such as those compliant with NFPA 1971 or NFPA 1951 For additional chemical protection an intermediate chemical barrier glove such as an Ansell Barrier or North Silver Shield worn over an inner cotton or knit KEVLAR glove may be considered e Separate outer cut resistant gloves should be considered if a high level of cut protection is required sleeve of the Tychem ThermoPro suit should be worn over the gauntlet of the gloves Adhesive tap
5. If a leak proof seal is required then garments with attached socks and boot covers should be selected The use of footwear with toe crush protection cut resistant and slip resistant soles should be considered Separate outer cut resistant gloves should be considered if a high level of cut protection is required If gloves are not attached to the garment sleeve user supplied chemical protective gloves should be worn with the sleeve of the garment over the gauntlet of the glove Adhesive taping of the glove to sleeve interface does not provide a leak proof seal Taping should only be used to hold the sleeve in position over the glove gauntlet If a leak proof seal between the glove and sleeve is required then a garment with attached gloves should be selected Some Tychem garments utilize multiple chemical resistant gloves to achieve the chemical barrier and physical performance requirements Removal of one of the glove layers may compromise chemical barrier or glove durability It is the user s responsibility to verify that the glove and the glove sleeve interface will provide adequate barrier and physical performance for the intended task User supplied head protection Tychem ThermoPro Garments e Separate user supplied full face respiratory protection such as 1 an open circuit self contained breathing apparatus SCBA which is also certified as compliant with NFPA 1981 Standard on Open Circuit Self Contained Breathing
6. Marking Suggestions and Restrictions applies to all categories of Tychem garments The garment can be marked with a permanent felt tip marker Suggested Undergarments applies to all categories of Tychem garments Tychem garments are designed and sized to be worn over standard work clothing Thick bulky clothing worn under these garments will affect the fit of the garment and limit the movement of the wearer Wearing garments made of NOMEX or any other flame resistant fabric under Tychem garments other than Tychem ThermoPro will not reduce burn injury during a flash fire Tychem garments other than Tychem ThermoPro will burn and possibly melt when exposed to a flash fire This is likely to increase burn injuries even when worn over garments made of NOMEX or any other flame resistant fabric With Tychem ThermoPro garments made of NOMEX or other non melting fabrics such as wool cotton silk and rayon should be worn underneath Sizing Considerations applies to all categories of Tychem garments The DuPont sizing chart should be used to determine accurate fit The correct size garment should be worn Users should verify sizing by donning the correct size garment and performing a series of exercises to simulate movements that may be required under actual usage conditions These sizing tests should include outer boots head protection 13 and if used radio equipment and other accessories the wearer m
7. internal positive pressure can damage these garments Do not inflate the vapor protective garments above a pressure of 7 inches water column Use of Adhesive Tape to Seal Tychem Garments Adhesive tape cannot provide a completely liquid or vapor tight seal Taping can reduce bulk flow if carefully applied During an emergency situation it may be difficult to carefully apply tape Taping should be viewed primarily as a means to hold clothing items in place to hold a hood over the respirator to hold a sleeve over a glove to hold a pant leg over a boot or to hold a closure flap closed Taping does not provide reliable barrier performance Limitations of Liquid Splash Protection Hooded Tychem garments without visors are not liquid tight around the hood respiratory interface Careful taping may reduce bulk liquid flow around this interface but should not be relied upon for total barrier The wrist and ankle openings of garments without attached gloves or socks have similar limitations Garments with more protective designs should be used in lieu of taping as well as implementation of engineering controls work practices and administrative controls to reduce the potential for exposure 24 VVarnings applies to all categories of Tychem garments Tychem chemical protective garments other than Tychem ThermoPro will burn No Tychem garment should be worn around heat open flames sparks or any other possible ignition source
8. as frostbite by use of insulating undergarments If the danger of exposure to biological aerosols or chemical warfare chemicals exists the use of a protective ensemble certified to the optional Chemical and Biological Terrorism requirements of NFPA 1991 2000 Edition or garments certified to Class 1 or Class 3 of NFPA 1994 should be considered Each of these provides a different level of performance If the danger of flash fire exists actions such as substitution engineering controls work practices and administrative controls should be implemented to mitigate that risk Exposure of personnel should be minimized or avoided At a minimum fire suppression equipment and personnel should be ready and manned to conduct fire suppression should a flash fire occur No Tychem garment is intended for fire fighting activities nor for protection from hot liquids steam molten metals welding electrical arc or thermal radiation 20 All Tychem garments are not suitable for use in all situations and environments with all chemical and hazardous materials All decisions regarding the choice and usage of chemical protective clothing must be done by trained and qualified safety professionals It is the user s responsibility to determine the level of exposure and the proper personal protective equipment needed NOTE for Tychem ThermoPro garment only Users of Tychem ThermoPro should not knowingly enter an environment in which the concentratio
9. deluge of hazardous chemicals leave the area immediately and decontaminate Supplied Air Line Applications To connect to an external supplied air line system encapsulating garments must be equipped with the appropriate NIOSH approved garment pass through This pass through connection should not be relied upon as an anchor for a tether Excess pull on this fitting may result in permanent damage to the garment Avoid Suffocation Do not attempt to wear a totally encapsulating chemical protective garment without supplied fresh air whether Level A or Level B Use separate user supplied full face respiratory protection such as 1 an open circuit self contained breathing apparatus SCBA or 2 an external breathing air quality air line system with garment pass through and escape bottle The oxygen level within an encapsulating suit may rise if worn with a closed circuit rebreather respirator The oxygen concentration will depend on the type of closed circuit respirator the level of wearer exertion and the duration of user and physical performance for the intended task Air purifying respirators APR cannot be worn with totally encapsulating garments whether Level A or Level B Air purifying respirators APR cannot be worn under separate protective hoods that extend below the clavicle Powered air purifying respirators PAPR cannot be worn with encapsulating garments whether Level A or Level B PAPR s can be worn with ens
10. exclusive remedy for all purchasers and or end users for any and all claims losses injuries or damages of any kind relating to or arising from DuPont garments and accessories shall be the refund of the purchase price or the replacement or repair of any garment or accessory found to contain a defect in materials or workmanship upon inspection by DuPont Only DuPont shall determine the form of remedy repair replacement or refund for items containing a defect in materials or workmanship No warranty claim shall be honored unless received by DuPont within 90 days of the date the garment or accessory was shipped to the purchaser and or end user or within twelve 12 months from the date the encapsulated garment was shipped to the purchaser end user IN NO EVENT SHALL DUPONT BE LIABLE FOR ANY SPECIAL INCIDENTAL INDIRECT PUNITIVE OR CONSEQUENTIAL DAMAGES WHETHER ARISING FROM CONTRACT TORT WARRANTY REPRESENTATION INSTRUCTION DESIGN OR MANUFACTURING DEFECTS OR ANY OTHER CAUSE OR THEORY 26 DuPont Tychem GARMENT INSPECTION amp TEST LOG SERIAL 27 DuPont Tyehem Garment Sizing Chart Fully Encapsulated Garments 1 cm 64 13 cm 6 2 183 cm g g 183 cm 510 128 cm 5 8 173 cm Height 6 168 cm da MED T cm 157 cm s 152cm 110 130 150 170 190 210 230 250 270 S ka 501 hg mkg skg skg 1kg Wako 122kg Weight Please note This chart is based on individuals wearing 2
11. pocket fold and snap that pocket cover Repairing the Garment If a garment fails a visual inspection or pressure test upon receipt contact DuPont Personal Protection at 800 931 3456 to determine if the garment can be returned for inspection or repair Note Charges may be incurred Contaminated garments will not be accepted for repair Discoloration or odors are evidence of contamination Garments being returned for repairs must be accompanied by the usage log and a letter stating that the garments are not contaminated 11 Storage applies to all categories of Tychem garments Storage Life All DuPont Tychem chemical protective garments may contain materials including gloves closures and exhaust valves for which there is no specific storage life data available It is suggested that garments be labeled and retired to Training Use Only after 5 years Garments may be used as long as they pass a full visual inspection In addition to the visual inspection Level A garments should pass the ASTM F1052 inflation test Uncontaminated garments that do not pass a visual inspection should be retired and labeled For Training Use Only or be discarded This includes Level A garments that do not pass the inflation test Optimum Storage Conditions Preferably garments should be stored in a cool dark dry location free of dirt and insects Sunlight ozone high temperatures gt 120 F vehicle exhaust fumes compression
12. under heavy weights and sharp edges or projections are some conditions known to degrade the materials in these ensembles Garments should be stored in boxes in bags or on hangers Never step on chemical protective garments Never place or store heavy objects on top of chemical garments Visor Antifog Procedures applies to all Tychem garments with visors User applied anti fog treatments can be applied to the interior of the Tychem garment visors Use either the anti fog wipes supplied with Tychem TK Tychem BR or Tychem LV garments or the Anti fog Antistatic Lens Cleaner P N 999650 available separately from DuPont Personal Protection 1 Apply the anti fog anti static cleaner to a clean dry cloth or open the pre packaged anti fog wipe and unfold it 2 Apply the anti fog solution evenly to interior visor surface 2 Buff to a clear finish with soft cloth For Tychem CPF3 Tychem CPF4 Tychem Responder and Tychem Reflector garments you can purchase a separate anti fog spray to apply to the visors before donning 12 Closure Lubricants applies to all categories of Tychem garments If the zipper or closure is difficult to operate it can be lubricated lightly on the outer and inner components with paraffin wax or a lubricant supplied by the closure manufacturer After lubrication the zipper should be closed and opened a number of times to ensure smooth function and to remove excess lubricant
13. 5 B A safety helmet and suggested underclothing see recommended undergarments Proper fit varies with indi vidual body shape 28 DuPont Tyehem Garment Sizing Chart Non Encapsulated Garments Height 190 210 230 250 270 290 90 110 130 150 170 4Ika 50kg 50hg ka 77kg 26 kg 104 113 kq 122 kg 121 kq Weight 29 Product safety information is available upon request This information corresponds to our current knowledge on the subject It is offered solely to provide possible suggestions for your own experimentations It is not intended however to substitute for any testing you may need to conduct to determine for yourself the suitability of our products for your particular purposes It is the user s responsibility to determine the level of risk and the proper protective equipment needed for the user s particular purposes This information may be subject to revision as new knowledge and experience becomes available Since we cannot anticipate all variations in actual end use conditions DUPONT MAKES NO WARRANTIES AND ASSUMES NO LIABILITY IN CONNECTION WITH ANY USE OF THIS INFORMATION Nothing in this publication is to be considered as a license to operate under or a recommendation to infringe any trademark or patent right DuPont the DuPont oval The miracles of science Tychem NOMEX and Responder are trademarks or registered trademarks of E I du Pont de Nemours and Company or its affiliates TLV
14. DuPont Personal Protection This manual only pertains his information H 97968 01 05 packet may not be re moved ex to Tychem garments manufactured States by DuPont Personal Protection Thi cept by the en in the United d user Revised January 2005 User Manual for Tychem Vapor Protective Garments Certified to NFPA 1991 2000 Edition and Class 1 NFPA 1994 2001 Edition Tychem Vapor Protective Garments Tychem Liquid Splash Protective Garments Tychem Liquid Splash Protective Garments Certified to Class 3 NFPA 1994 2001 Edition Tychem ThermoPro Liquid Splash Protective Garments Certified to NFPA 1992 2000 Edition and NFPA 2112 2000 Edition All Other Tychem Protective Garments WPI The miracles of science Table of Contents Safety Considerations s s c da aaa d 3 Wearer Qualifications teanedaevesccewessecsssaaccesteesees 3 Required and Additional Equipment 4 Inspection of Garment iets 8 12 Visor Antifog Procedures d d 12 Closure 13 Marking Suggestions and Restrictions 13 Suggested Undergarments 13 Sizing Considerations
15. Examine garment warning label s to make sure they are firmly attached and can be read easily 14 Non certified vapor protective Level A garments and garments compliant with NFPA 1991 and Class 1 of NFPA 1994 should be checked for pressure integrity during each garment inspection Pressure Testing Vapor Protective Level A Garments The purpose of the air inflation test is to test the integrity of the Tychem vapor protective garments fitted with Auer or Pirelli exhaust values Pirelli valves are fitted with a rigid outer cover that is perforated with small holes Auer valves are fitted with 9 a flexible outer snorkel cover that opens at right angles to the throat of the exhaust value Auer valve fitted with flexible outer cover The steps in this procedure are similar to those found in ASTM F1052 97 Standard Test Method for Pressure Testing Vapor Protective Ensembles A copy of the standard may be obtained for a fee from ASTM www ASTM_org or by calling 610 832 9585 The procedure below assumes the use of the DuPont Universal Pressure Test Kit P N 990810 001 The pressure test kit consists of e Self contained blower unit with pressure gauge and timer e Two valve fittings for Auer valves and two valve fittings for Pirelli valves e Hoses which attach the valve fittings to the pressure test kit e Plugs to block extra Auer valves in Tychem TK Ensembles complaint with NFPA 1991 or Class 1 of NFPA 1994 Use
16. al protective garments Encapsulating and non encapsulating garments Encapsulating garments fully cover the wearer and the wearer s respirator Encapsulating garments require supplied fresh air there is not enough fresh air for breathing and by design the replenishment of fresh air is restricted within an encapsulating garment In general encapsulating garments that pass the inflation test described in ASTM F 1052 Standard Test Method for Pressure Testing Vapor Protective Ensembles are considered Level A encapsulating garments that are not designed to pass this test are considered Level B Not all Level B suits are encapsulating a garment respirator configuration is considered Level B if it provides liquid splash protection and involves a supplied air respirator 29CFR1910 120 Encapsulating Tychem Garments Compliant with NFPA 1991 and Class 1 of NFPA 1994 and Non Encapsulating Garments Compliant with Class 3 of NFPA 1994 e Separate user supplied full face respiratory protection such as 1 an open circuit self contained breathing apparatus SCBA which is also certified as compliant with NFPA 1981 Standard on Open Circuit Self Contained Breathing Apparatus for Fire Service or 2 an external breathing air quality air line system with garment pass through and escape bottle The oxygen level within an encapsulating suit may rise if worn with a closed circuit rebreather respirator The oxygen concentration will depend on the t
17. an doff the respiratory facepiece and harness Non Encapsulating Garments 1 If the garment has been contaminated or is suspected of being contaminated the wearer should continue to use his respirator until the garment has been doffed and removed 17 An assistant should help the wearer doff the garment after field decontamination If the garment has been contaminated the assistant should wear protective clothing and respiratory equipment If a separate outer hood is used it should be removed and discarded If the wearer is wearing an SCBA or PAPR the assistant should help the wearer remove the respirator tank or filter unit without disconnecting the facepiece The tank or filter unit should either be held by another person or placed in a safe dry position While the wearer stands the assistant should remove the hood then open the closure and peel the garment down and away from the wearer s shoulders The assistant should help the wearer remove his arms from the sleeves Lower the garment below the hips and sit down Have the assistant remove the boots pull the garment off the legs and remove the garment to a remote location Once the garment has been removed the wearer can disconnect and remove the respiratory facepiece and harness Decontamination and Cleaning applies to all categories of Tychem garments Decontamination Solutions Do not use any oxidative corrosive or reactive decontamination solutions with
18. ay carry during actual use Such exercises may include read the SCBA gauge pick up a box carry it and set the box down in a separate location pick up a wrench from the ground open the garment closure climb up and down stairs and ladder adjust respirator face piece straps remove the SCBA without dislodging the full face respirator remove and refit full face respirator send and receive radio transmissions communicate with co worker wearing the same type of garment and additional equipment For encapsulating garments remove hand wipe faceshield and adjust regulator on facepiece Donning the Garment applies to all categories of Tychem garments The wearer should be helped by a second person in donning and doffing a chemical protective ensemble A ground cloth should be used to avoid contamination and damage to the garment A stable chair bench or stool which is free of sharp edges and projections should also be utilized Encapsulating Level A and B Garments 1 Conduct a visual inspection of the garment before you begin donning garment should be free of discoloration or physical damage inner gloves should be fully inserted into outer gloves inside and outside of exhaust values should be free of caps and plugs Remove all jewelry and personal items pens key rings badges pagers knife cases etc that might damage the garment Check function of respirator and place near donning location Visually che
19. ck size and condition of outer boots and place them nearby Open garment closure completely Read garment size label to assure proper fit 14 10 11 12 13 14 15 16 17 18 19 20 Apply anti fog to inside of visor Remove shoes If the garment has socks these socks are worn inside additional outer chemical boots These socks do not have adequate durability or slip resistance to be worn as the outer footwear covering An assistant should help the wearer don the garment While sitting insert feet into garment legs and down into sock boots if so equipped Stretch legs out to maximum extension while pulling garment up around hips If the garment is fitted with boot covers pull boot covers up and don outer boots Then pull the boot covers down over the boots as far as possible While standing connect and adjust garment waist belt if equipped until comfortably snug While standing with garment at waist level don respirator harness and back piece Don respirator facepiece and check its function To conserve SCBA air supply disconnect the air supply from the facepiece if possible as long as the closure is open and the wearer has access to fresh air In the case of an air line breathing system complete all connections and adjustments Don protective headgear and communication equipment If not already done connect the respirator facepiece to the air supply and make sure the respira
20. d implementing a conservative work rest schedule The maximum time the ensemble can be worn depends on such variables as the air supply ambient condition climate inside the ensemble physical and psychological condition of the wearer work rate and work load The TLV pocket guide from the American Conference of Governmental Industrial Hygienists ACGIH Cincinnati provides corrected heat stress limits for some garments Similar information is available on the federal OSHA web site www OSHA gov The WBGT correction factor for chemical protective garments is at least 10 C or higher for chemical garments made of impervious film and covering the entire body hooded coverall or encapsulating designs 21 Chemical Permeation Data Before using a protective ensemble in a chemical situation consult the chemical permeation data appropriate to the garment material Note that seams visors and closures vvill generally have lovver or different permeation times than the garments material This information is to be used as a guide only The permeation performance Of any material depends on a number of factors including chemical concentration temperature time and amount of exposure Due to the large number of variables it is impossible for all ensemble materials to be tested against all chemicals all combinations or mixtures and all temperatures at which the chemical might be encountered Chemical permeation tests are performed under laborat
21. ely to a safe environment thoroughly decontaminate the garment then dispose of it in a safe manner It is the responsibility of the garment wearer and the wearer s supervisor and employer to examine the condition of the garment before and during use to be sure that the garment is suitable for use in that environment by that employee Warranty Information applies to all categories of Tychem garments DuPont makes no guarantee of results and assumes no obligation or liability in connection with the use of DuPont garments and accessories It is user s responsibility to determine the level of hazards and the proper personal protective equipment needed DuPont warrants to the purchaser end user only for a period of ninety 90 days from date the garment or accessory was shipped to the purchaser end user or for a period of twelve 12 months from the date the encapsulated garment was shipped to the purchaser enduser that the garment and accessory if any are free of defects in materials and workmanship Since conditions of use are outside DuPont s control DUPONT MAKE NO OTHER WARRANTIES OF ANY KIND EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION NO WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE and assume no liability in connection with any use of the DuPont garment and accessories This watranty is void in the event any party including purchaser end user modifies the garment or accessory in any way The sole and
22. em garments should be inspected at the following times 1 Upon receipt from supplier 2 After the garment is worn and before the garment is worn again Contaminated damaged or altered garments should not be re used 3 Annually Garment inspection is important It ensures that the integrity of the garment has been maintained The first inspection should be performed upon receipt to ensure that the integrity was not compromised during transit This inspection should be done immediately upon receipt in order to ensure no damage occurred during shipping An inspection must also be performed before wearing Contaminated damaged or altered Tychem garments should not be used Annual follow up inspection is recommended for garments in storage Inspection of garments should include the following steps 1 Lay the garment on a clean smooth surface 2 Use a flashlight inside and examine the outside of the garment for holes cuts or tears Note Apparent stitch holes covered by seam sealing tape do not constitute a defect 3 Examine the seam tape for lifts or inadequate seal 4 Examine the garment material and seams for signs of damage Fabrics and seams sometimes have visual blemishes that do not affect barrier performance Such blemishes can include dullness or white frosted areas adjacent to the seam tape A breach or rupture of the barrier film is cause for rejection Tincture of Iodine is used to confirm a physical breach Apply T
23. embles utilizing separate hoods if the configuration provides adequate ventilation at the intake of the unit and the unit is adequately protected from contamination Never Use Pure Oxygen The use of 100 oxygen in these garments presents serious fire safety and health hazards Use only breathing quality compressed air or air line breathing air The oxygen level within an encapsulating suit may rise if worn with a closed circuit rebreather respirator The oxygen concentration will depend on the type of closed 23 circuit respirator the level of wearer exertion and the duration of user and physical performance for the intended task Sock Booties The socks attached to chemical protective garments are designed to be vvorn inside outer boots These sock boots do not have sufficient durability or slip resistance to be worn as outer boots Provide Hearing Protection If noise levels inside these garments exceed regulatory noise levels hearing protection must be provided Use hearing protection recommended by a safety professional which does not interfere with the operation or use of the garment Communications A chemical protective garment hampers communication The use of a personal communication system should be considered Users should also consider the use of hand signals to communicate during training work and for emergency situations where respirators and chemical protective garments are worn Positive Pressure Excessive
24. er or Tychem Reflector ensembles the extra exhaust valve can be blocked by reversing the flapper valves 6 Locate and connect the test kit to a power source Open the valve and engage the blower motor When the pressure gauge indicates 5 inches of water close the valve and turn the blower off Excessive internal positive pressure can damage these garments Do not inflate the garment above a pressure of 7 inches water column 7 Wait at least 1 minute and reduce the air pressure to 4 inches of water Set and start the timer Read the pressure after 4 minutes Note the test result and record the ending pressure on the inspection log The garment is considered to pass if the pressure remains at or above 3 2 inches 80 during these 4 minutes 8 After the pressure test is completed remove the fitting from each exhaust valve 9 Re install the diaphragm into each valve body 10 Visually inspect each exhaust valve diaphragm to ensure it is properly sealed and not torn Be sure that all exhaust valve diaphragms are installed to enable the air to flow out of the suit CAUTION Double check the diaphragms in the Pirelli exhaust valves installed in the Tychem Responder and Tychem Reflector vapor protective suits These diaphragms can be installed incorrectly and block air flow out of the ensemble 11 Re install the exhaust valve outer cover on the valve body 12 If the garment provides a snap to secure the exhaust valve
25. incture of Iodine to the suspect area and wipe off the excess with a dry towel If a dark brown stain remains the barrier layer has been breached and the garment should be rejected Areas immediately adjacent to the seam tape may take a slight yellow stain as a result of heat exposure during manufacture This slight yellow stain is not a defect The edges of the seam tape may also develop a thin but prominent staining of the exposed edge This is not a defect 5 Examine the visor if present for a tight seal and make sure the visor offers clear vision 6 Examine the garment air distribution system if present to make sure that it is connected properly and appears to be in working order 7 Examine the garment gloves if present to make sure they are in good working order 8 Examine the interface between the gloves and the garment if gloves are attached to the garment 9 Examine the interface between the boots and the garment if the boots are attached to the garment 10 Examine the garment zipper and zipper cover to make sure they are in good working order Lubricate the zipper using a small amount of paraffin wax or lubricant supplied by the closure manufacturer 11 Examine the garment exhalation valves if present to make sure they are not obstructed and are in good working order 12 Examine all garment snaps closures adjustment straps and options to make sure they are not obstructed and are in good working order 13
26. ing of the glove to sleeve interface does not provide a leak proof or reliable seal Taping should be used primarily to hold the sleeve in position over the glove gauntlet Do not use a taped configuration if a totally leak proof seal is required and hazard cannot be abated by other means such as engineering controls work practices or administrative controls It is the user s responsibility to verify that the glove will provide adequate barrier and physical performance for the intended task User supplied head protection With all garment configurations other personal protective equipment may be required Consult with a trained and experienced safety professional to determine the additional PPE components required for your specific situation For example e Hearing protection may be required due to high levels of external noise or high noise levels generated by supplied air systems e Other protective equipment may be warranted based on the situation to deal with additional hazards which may include but are not limited to Flammable or Explosive Environment Decontamination Extreme Heat Heat Stress Extreme Cold Hypothermia Asphyxiating Atmosphere Physical Hazards Sharps Puncture Rough Surfaces Falling Debris Slipping or falling Visibility of wearer amp by wearer Communications Inspection of Garment applies to all categories of Tychem garments Tychem Garment Inspection All Tych
27. ing should be done with a permanent marker 19 Disposal applies to all categories of Tychem garments If not contaminated Tychem garment may be buried or incinerated Because Tychem garments contain several different plastics they are not suitable for recycling The uncontaminated chemical protective garment may be incinerated in a facility that is capable of handling mixtures containing plastics Likewise an uncontaminated chemical protective garment may be buried in a facility that accepts plastic materials Contaminated garments that cannot be handled safely without protective equipment may have to be disposed of with other hazardous wastes either through incineration or burial Limitations of Use applies to all categories of Tychem garments Required Equipment All DuPont Tychem garments must be worn with additional personal protective equipment described in the Required and Additional Equipment section of this guide Potential Misuse All Tychem garments are not intended for protection against ionizing radiation All Tychem garments are not intended for protection from cryogenic liquids and gases colder than 200 C If there is a risk of exposure to liquefied gases warmer than 1632 K 100 C the use of an ensemble certified to the optional liquefied gas requirements of NFPA 1991 2000 edition should be considered Note The wearer should be protected from cold temperature hazards such
28. ing that the zipper is completely closed the flaps should be folded over the zipper and sealed In the case of an air line breathing system complete all connections and adjustments If not already done connect the respirator facepiece to the air supply and make sure the respirator is functioning properly and adequate air is being provided to the wearer Place separate hood over head and attach underarm straps NFPA 1994 Class 3 only Doffing the Garment applies to all categories of Tychem garments Encapsulating Garments 1 If the garment has been contaminated or is suspected of being contaminated the wearer should continue to use his respirator until the garment has been doffed and removed An assistant should help the wearer doff the garment after field decontamination If the garment has been contaminated the assistant should wear protective clothing and respiratory equipment While the wearer stands the assistant should open the closure and peel the garment down and away from the wearer s shoulders The assistant should help the wearer remove his arms from the sleeves External air lines should be disconnected from the garment and from the wearer s respirator while the wearer switches to his escape bottle Lower garment below the hips and sit down Have the assistant remove the boots pull the garment off the legs and remove the garment to a remote location Once the garment has been removed the wearer c
29. issipation before entry into the classified area However in the case of explosive or flammable atmospheres even if sophisticated and elaborate steps are taken to manage static formation and dissipate static charge the risk of severe injury remains if an uncontrolled or accidental ignition occurs Tychem chemical protective garments should not be worn in potentially flammable or explosive atmospheres Wearers of Tychem ThermoPro garments should not knowingly enter an environment in which the concentration of flammable gas is within flammable or explosive limits Should wearers of any Tychem garments determine they are in such an environment they should retreat immediately Avoid Exothermic Reactions Certain chemicals produce a large amount of heat when they react with water If garments are heavily contaminated with a water reactive chemical there is a possibility that the garment may be damaged during field decontamination from the 22 high reactive heat The excess chemical may have to be removed vvith dry sand or non reactive absorbent before vvater decontamination Avoid Continuous Exposure These garments should not be immersed in chemicals These garments should not be exposed to continuous hazardous liquid chemical splash or deluge Do not vvade through liquid pools of hazardous chemicals if it is not necessary Direct liquid chemical exposure to the ensemble should be as limited as possible If exposed to direct splash or a
30. lammable limits Responsibility of Users Disclaimers applies to all categories of Tychem garments It is the responsibility of the user to select garments which are appropriate for each intended use and which meet all specified government and industry standards Tychem garments are intended to help reduce the potential for injury but no protective apparel alone can eliminate all risk of injury Protective apparel must be used in conjunction with general safety practices Tychem garments are designed for limited use It is the responsibility of the wearer to inspect garments periodically to ensure that all components including fabric valves visors gloves zippers seams and interfaces are in good working condition and provide adequate protection for the operation and chemicals to be encountered Failure to fully inspect garments may result in serious injury or death to the wearer Never wear garments that have not been fully inspected and in the case of Level A garments pressure tested prior to use Any garment which does not pass inspection should be removed from service immediately Never wear a garment that is contaminated altered or damaged 25 If the Tychem garment is altered abraded cut torn punctured or otherwise and in any way breached do not use The chemical protective garment material has finite resistance to abrasion cut tear and puncture If the Tychem garment is damaged during use retreat immediat
31. n of flammable gas is within flammable or explosive limits Should wearers of any Tychem garments determine they are in such an environment they should retreat immediately Wearers Must be Physically Fit All Tychem garments should only be worn by persons who are in good physical condition Working in chemical protective clothing is strenuous In an emergency situation or hot environment the wearer may experience heat stress Persons who show symptoms of heat stress such as nausea dizziness high heart rates or excessive heat build up should leave the work area immediately and remove the ensemble as quickly as possible after decontamination Persons in doubt about their physical condition should check with a physician before wearing chemical protective ensembles Always Use the Buddy System Never enter a contaminated area alone A minimum of two people should enter contaminated areas together Two additional people in equally protective garments should be available to affect rescue of the entry team All persons entering the contaminated area should wear appropriate protective equipment Manage and Prevent Heat Stress These garments interfere with the natural regulation of body temperature This can lead to a rise in core body temperature and heat stress The wearer should be aware of the symptoms and treatment of heat stress The wearer can take several steps to limit and or prevent heat stress such as the use of a cooling system an
32. ne whether the suit has been contaminated orcan safely be re used These garments are designed for limited use applications they can be worn until damaged altered or contaminated When the effectiveness of decontamination is in question the garment should be discarded If the garment is contaminated during use it should be discarded Cleaning Garments should be clean and dry before use Water and mild household dishwashing liquid should be used to clean these garments These garments may be scrubbed with a soft brush or hand towel thoroughly rinsed with clean fresh water and air dried Do not use any oxidative corrosive or reactive decontamination solutions with these garments Do not dry clean these garments Do not use hot air or a tumbling air dryer to dry these garments Do not use bleach Garment Retirement Considerations applies to all categories of Tychem garments Tychem garments should be retired from service if any of the following criteria are met e Garment fails to pass inspection Vapor protective garment fails the inflation test e Garment is altered abraded cut torn punctured or otherwise and in any way breached e Garment has had prolonged exposure to intense heat and or ultraviolet light e Garment has been contaminated which is determined by responsible end user knowledge of use and exposure Retired garments that are not contaminated may be labeled and used For Training Only The label
33. nor in potentially explosive or flammable environments Wearing garments made of NOMEX or any other flame resistant fabric under Tychem garments other than Tychem ThermoPro will not reduce burn injury during a flash fire Tychem garments other than Tychem ThermoPro will burn and possibly melt when exposed to a flash fire this is likely to increase burn injuries even when worn over garments made of NOMEX or any other flame resistant fabric Tychem garments other than Tychem ThermoPro melt when exposed to heat and flame these garments should not be worn under a garment made of NOMEXF or any other flame resistant fabric if the potential for flash fire exists NOTE for Tychem ThermoPro garments only Users of Tychem ThermoPro garments should not knowingly enter an environment in which the concentration of flammable gas is within flammable or explosive limits Should wearers of Tychem garments determine they are in such an environment they should retreat immediately Tychem ThermoPro garments are not intended for fire fighting activities nor for protection from hot liquids steam molten metals welding electrical arc or thermal radiation Tychem ThermoPro garments are designed and tested to help reduce injury during escape from a flash fire Users of Tychem ThermoPro garments should not knowingly enter an explosive environment i e an environment in which the concentration of flammable gas or solids is within f
34. oice of chemical protective clothing and its use must be made by trained and qualified safety professionals It is the user s responsibility to determine the level of exposure and the proper personal protective equipment PPE needed Most performance properties cannot be tested by the users in the field Refer to the DuPont Tychem Permeation Guide for chemicals specific to your situation If any of the following symptoms develop during use of these garments immediately leave the contaminated area undergo field decontamination if exposed and doff the garment Fever Any unusual odor or taste Difficulty breathing Eye or skin irritation Nausea Narrowing or dimming of vision Excessive Tiredness Claustrophobia Dizziness Loss of balance or orientation Numbness Wearer Qualifications These garments should be worn only by persons who are properly trained in the usage of these garments and who are in good physical condition to perform tasks involving the use of these garments Consult a physician before donning one of these garments to ensure you are capable of wearing these garments under the expected work conditions and environment Required and Additional Equipment To help protect the vvearer and to perform as intended these chemical protective garments must be worn with several additional items of personal protective equipment PPE At a minimum the following must be worn with each category of chemic
35. on the type of closed circuit respirator the level of wearer exertion and the duration of use Air purifying respirators APR cannot be worn with encapsulating garments nor with NFPA 1994 Class 3 ensembles with separate protective hoods that extend below the clavicle Povvered air purifying respirators PAPR cannot be vvorn vvith encapsulating garments PAPR s can be vvorn vvith NFPA 1994 Class 3 ensembles utilizing separate hoods if the configuration provides adequate ventilation at the intake of the unit and if the unit is adequately protected from contamination Separate user supplied protective footwear Attached socks made of garment material must be worn inside protective outer footwear These socks are not suitable as outer footwear An over cover should be considered when there is a risk of abrasion puncture cut tear or flame impingement to the garment Tychem garments with attached socks may also be equipped with outer boot covers to prevent liquid pooling inside the boot After the garment is donned the boots are donned and the outer cover is pulled down over the upper portion of the boot The cuffs of Tychem garments that do not have socks should be worn over the upper portion of the user s boot to prevent run off and pooling of liquid within the boot Adhesive taping of the garment cuff to the boot does not provide a leak proof seal Taping should only be used to hold the garment cuff in position over the boot
36. ory conditions not actual workplace conditions They address chemical breakthrough characteristics and do not account for physical performance characteristics that affect a barrier such as abrasion flex fatigue puncture tear oxidative degradation or degraded performance due to previous contamination No single protective material will protect against all chemicals for all situations The best course of action is to test the primary protective garment materials against the specific chemical hazard at the temperature and in the concentrations to be encountered DuPont will provide free swatches of primary garment materials for testing and can provide you with a list of testing facilities Static Electricity Under certain conditions such as cold and dry weather it is possible that garments might build and discharge static electricity Discharges are not normally dangerous except in situations where the generation of an electrical spark could ignite a flammable atmosphere or startle the wearer When operating around flammable chemicals steps to eliminate potential static discharges should be used In these situations steps have been recommended such as but not limited to water spray the use of an over cover raising humidity level of the work area use of a commercial anti static application coating grounding straps on equipment and personnel inherently static dissipating under and over garments and testing of the worker s static d
37. rs of other pressure test kits will have to modify the steps by which they attach the test kit to the garment NOTE Air and garment temperature can affect the results of this test If the temperature of the garment the air outside the garment or the air inside the garment changes during the test an incorrect result may be obtained Avoid circumstances that will heat or cool the garment during the test such as conducting the test in the presence of drafts under air conditioning ducts or in the presence of direct sunlight Conduct the inflation test as follows 1 Place the vapor protective garment on a clean smooth surface 2 Ifthe garment utilizes a snap to secure the exhaust valve pocket unsnap and unfold that pocket cover 3 Remove the outer cover of the exhaust valve body 3 Visually inspect the exhaust valve body of each exhaust valve for visible cracks 4 Remove diaphragm from one exhaust valve body insert the air outlet fitting into the valve body and gently twist the fitting to lock it in place 10 5 Remove the diaphragm from the second exhaust valve insert the air outlet fitting into the valve body and gently tvvist the fitting to lock it in place Ensembles certified to NFPA 1991 and NFPA 1994 Class 1 have additional exhaust valves The extra Auer valves in the Tychem TK ensembles can be blocked with the stoppers provided in the test kit When conducting inflation tests on NFPA 1991 certified Tychem Respond
38. these garments The only decontamination solutions to use with these garments are water and mild household dishwashing liquid Field Decontamination The purpose of field decontamination is to allow the wearer to doff the garment without being harmed by contaminants on the garment surface Garments that have been exposed to or that are suspected of being exposed to hazardous chemicals should be thoroughly decontaminated in the field before doffing Additional cleaning and decontamination as well as a full inspection are required before a garment may be re used 1 Leave the hot zone with adequate air supply for decontamination and removal of the garment The wearer should continue to wear the respirator until the garment has been completely doffed and removed from the area If the garment has been exposed or is suspected to have been exposed thoroughly scrub the garment using household dishwashing liquid and soft scrub brushes followed by a thorough rinsing in water 18 3 H possible the excess rinse vvater should be removed from the garment by individuals vvearing gloves liquid splash protective clothing and respiratory protection At a minimum the rinse water on and near the closure assembly should be absorbed Decontamination before Re use Contaminated garments should be discarded and are not suitable for training It is the responsibility of the safety professional having responsibility over usage of the garment to determi
39. tor is functioning properly and adequate air is being provided to the wearer Place one hand in the sleeve and pull the garment sleeve to the shoulder Make sure hand is securely inside the glove Place other hand in sleeve and glove If gloves are not attached to the garment then don gloves Taping should only be used to hold the sleeve in position over the glove gauntlet Taping of the glove to sleeve interface does not provide a leak proof seal If a leak proof seal between the glove and sleeve is required then a garment with attached gloves should be selected Pull the garment over respirator backpack making sure nothing will constrict or hamper airflow Have assistant slowly close the gas tight closure After checking that the closure is completely closed the flaps should be closed and sealed over the closure 15 Donning Non Encapsulating Garments 1 10 11 12 15 14 15 16 Conduct a visual inspection of the garment before you begin donning garment should be free of discoloration alterations or physical damage inner gloves should be fully inserted into outer gloves Remove all jewelry and personal items pens key rings badges pagers knife cases etc that might damage the garment Check function of respirator and place nearby donning location Visually check size and condition of outer boots and place nearby Open garment closure completely Read garment size label to assure proper fit
40. twear NFPA compliant Tychem garments with attached socks are also equipped with outer boot covers to prevent liquid pooling inside the boot After the garment is donned the boots are donned and the outer cover is pulled down over the upper portion of the boot Chemical protective gloves are attached to Tychem ensembles compliant with NFPA 1991 and NFPA 1994 Separate cut resistant outer gloves are required on NFPA 1991 compliant garments Cut resistant outer gloves are not required on garments compliant with NFPA 1994 Class 1 and Class 3 but should be considered if a high level of cut protection is required NFPA compliant garments utilize multiple chemical resistant gloves to achieve the chemical barrier and physical performance requirements of the standard All chemical gloves must be present in compliant ensembles It is the user s responsibility to verify that the glove will provide adequate barrier User supplied head protection Encapsulating and Non Encapsulating Tychem Garments Not Certified to NFPA Standards and Including Tychem Responder CSM Separate user supplied full face respiratory protection such as 1 an open circuit self contained breathing apparatus SCBA 2 an external breathing air quality air line system with garment pass through and escape bottle The oxygen level within an encapsulating suit may rise if worn with a closed circuit rebreather respirator The oxygen concentration will depend
41. ype of closed circuit respirator the level of wearer exertion and the duration of use Air purifying respirators APR cannot be worn with Level A garments Level B encapsulating garments or with NFPA 1994 Standard on Protective Ensembles for Chemical Biological Terrorism Incidents Class 3 ensembles with separate protective hoods that extend below the clavicle Powered air purifying respirators PAPR cannot be worn with encapsulating garments PAPR s can be worn with NFPA 1994 Class 3 ensembles utilizing separate hoods if the configuration provides adequate ventilation at the intake of the unit and if the unit is adequately protected from contamination e NFPA 1991 Standard on Vapor Protective Ensembles for Hazardous Materials Emergencies compliant Tychem TK and Responder ensembles must be worn with a separate over cover to achieve abrasion resistance puncture resistance and protection from direct flame impingement requirements of that standard An over cover should be considered for NFPA 1994 Class 1 and Class 3 garments vvhere there is a risk of abrasion puncture cut tear or flame impingement to the garment Separate user supplied protective footwear specified in the Technical Data Package must be worn with Tychem garments compliant with NFPA 1991 and NFPA 1994 These garments have socks made of the garment material These socks must be worn inside the specified protective footwear These socks are not suitable as outer foo
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