Chemical Safety (II) Waste Management & Emergency Response
Contents
1. 20kV XT 000 lt 10pm New Filter SEM of Fibrous Filter 10000 x Used Filter 20kV X10 000 1pm New Filter TTL NEXT Precautionary Measures Liquid Solution Suspension Avoid aerosol generation Avoid skin contact Use gloves at least protective against carrier solvent Do not allow escape into environment a Intentional release into environment must show benefits clearly outweighing risks 4 Precautionary Measures Waste Disposal Treat as chemical waste as a minimum Seek to remove from waste stream or destruct nanofeature as far as practicable 42 NUM Dots illii ja are provided in a Hoh which IS 2 mM total Cd concentration however the CdSe core IS encapsulated in a shell of ZnS and the polymer shell which may prevent dissolution of free Cd We have demonstrated the utility of these materials in a variety of dil cell in ALI in Tiare Source Qdot Streptavidin Conjugates User Manual Intrivogen 43 Quantum Dots Disposal s The Qdot conjugate contains cadmium and selenium in an inorganic crystalline form Please dispose of the material in compliance with all applicable local state and federal regulations for disposal of these classes of material For more information on the composition of these materials consult the Material Safety Data Sheet Source Qdot Streptavidin Conjugates User Manual Intrivogen 44 Qdot Destruction Experiment s2. MSDS s include the following information Physical Data Reactivity Risk Phrase Storage Safety Phrase gt Disposal gt Toxicity gt Protective Health Effects Equipment First Aid Leak Spill Procedure On Line Chemical Safety Information a International Chemical Safety Cards by ILO http www ilo org public english protection s afework cis products icsc dtasht index htm NIOSH Pocket Guide CHEMICAL HAZARDS http www msdssearch com DBLinksN htm Other Chemical Safety Training Courses s Respiratory Protection if you need to use respirators NFF User Safety Training if you need to work in MFF s Chemical Safety for Operational Staff End of Series Thank you
3. 2 Gases Toxic gases Gases which 1 are known to be so toxic or corrosive to humans as Detail rev S e r n a n C e n to pose a hazard to health or 2 are presumed to be toxic or corrosive to humans because they have a LC50 value as defined in 2 6 2 1 of IMDG Code 2000 Edition equal to or less than 5 000 ml m3 ppm 3 5 Flammable liquids Class 3 includes Flammable liquids and Liquid desensitized Detail 4 explosives 4 5 8 9 Flammable solids substances liable to spontaneous combustion substances which in Detail O contact with water emitflammable gases Class 4 deals with substances otherthan those classified as explosives which under conditions of transport are readily combustible or may cause or contribute to a fire SHKUST S 3 ELE AC m E v4 EEN T LESE LR ven ve the desktop with Screensavers and wallpapers Lm The system allows reporting lb AAA een Of any chemicals purchased directly by users Once the fecord is verified by CLS the record will be added to the inventory of the storage location and a barcode for the item will be sent to the user O Fill in the information and click Next denote compulsory information Date dalli 26 IM 09 2006 v v diran lee Bl P O No NA Storage Location Please select vw Panchai Owner s E mail Istan Owner 16884 Order Con
4. Chemical Safety II Nanosafety Waste Management amp Emergency Response Dr Samuel Yu Health Safety and Environment Office HSEO HKUST Important Reminder Safety training courses provided by HSEO only cover BASIC safety principles Your supervisor is responsible for your job specific safety training including operational safety procedures departmental safety policies etc Presentation Outlines s Nanomaterials and nanosafety s Chemical waste legal requirements s HKUST chemical waste procedures Incidents and lessons learned s Waste minimization s Hazardous Material Inventory s Emergency response s Information Source Nanomaterials amp Nanosafety Different Nano Related Materials s Materials with engineered nanostructure e g zeolite with designed pore features a Silicon based nanomaterial or nanostructure e g nanoelectronics s Nanomaterials with one dimension not in nanoscale i e 2100 nm e g nanotube Nanoparticles diameter 100 nm Origins of Nanoparticles Naturally occurring e g volcanic activities wild fires s Anthropogenic incidental nanoparticles e g engines incinerators Also known as ultrafine particles 100 nm in AED s Engineered nanoparticles a At least one dimension 100 nm s Relatively uniform in size monodispersed Unique Properties of Engineered Nanoparticles Novel physicochemical properties not found in parent materials Much highe
5. 28 100 29 180 28 680 31 520 41 600 38 280 40 360 33 140 42 700 35 740 62 Chemical waste streams Three Main Types s Liquid Chemical Waste picked up by Enviropace Lab Pack Waste picked up by Enviropace s Solid Chemical Waste disposal arranged by HSEO Enviropace Chemical Waste Streams 1 s Halogenated Organic Solvents s Non halogenated Organic Solvents s Organic Acids s Inorganic Acids s Hydrofluoric Acid s Metal Solution s Chrome VI or Boron Enviropace Chemical Waste Streams 2 s Alkalines s Cyanides s Lubricating Oil s Photographic Film Fixer Developer s Gel Waste s Phenol Sludge Metal Sludge s Rags with Solvent and Oil Chemical Waste Mixtures s Select the container according to the MAJ OR component of the mixture s Exceptions s Always put halogenated compounds in the Halogenated Solvents Container Always put cyanide waste into the Cyanide container Always maintain alkaline pH gt 7 to avoid HCN formation even if these are the minor component in the mixture 67 Different Chemical Waste Containers s Plastic Acids and Alkalies Fixer Developer Carbon Steel Lube Oil Other Oils s Metal with inner plastic lining Halogentated amp Non halogenated Solvents Plastic Open top organic gel Required Information on Waste Containers s Waste generator name and phone number s Waste stream name s Standard Waste Label with Hazard W
6. 600ml Enabled 1 2 Dichloroethane 0609210750 1222 CLS PIE Enabled 1 2 Dichloroethane 0609210749 1222 CLS 2L Enabled 1 2 Dichloroethane 0609210748 1222 CLS mie Enabled 1 2 Dichloroethane 0609210747 1222 CLS 2L Enabled 1 4 Dioxane 0609222323 2247 CLS TE Enabled lt lt Prey Next gt gt Information Page HKUSTRERBRAD azardous Material Inventory Management System Information Page Contains o rm Information Page LI u l n fo rt Y a t l O n o Emergency Guideline AA Radionuclide Notes ETA Risk Phrases ITA Saftey Phrases Ma o Useful Links Hong Kong Chemical Control Regulation http J veww ust hk webcls chemcon htm List of chemical restricted by Hong Kong Ordinance n W h C h h el D http fiveww ust hk webcls chemreg htm Regulation of Dangerous Goods in Hong Kong Waters Marine Department HKSAR http fisc info qov hk qbwww mardep gov hk en ele services dgis htmh Definition of Dangerous 1 u S e rs l a a o e Dangerous Goods Ordinance Chapter 295 Laws of Hong Kong and its sub leg Regulations HKSAR httpwww justice qov hk blis export nsfiCurAllEngDocAqent OpenAgent amp Chapterz285 C h e l C a Scheduled Chemical under the Chemical Weapons Convention Ordinance Cap 578 HKSAR http www justice qov hkblis ind nsfiCurAllEnqDoc OpenView amp Start 549 amp 8Count 30 amp Collapse 575 1 575 1 Hazardous Chemical Information S a fet a n d Shock sensitive chemical http www ab ust
7. EN IARC International M 2 Chemicals under Dangerous N A NIA Dangerous Drugs Detail n e rn a O n a a r Iti e Drugs Ordinance Ordinance Cap 134 Chemicals under the Control N A NIA Control of Chemicals of Chemicals Ordinance Ordinance Cap 145 a n g e ro u S OO S O e Corrosives 3 8 Corrosive substances means substances which by chemical 1 1 action will cause severe damage SR Ee In the Inventory or in the case of leakage will materially damage or even destroy other goods orthe means oftransport sys e I Cyanide containing 4 6 1 Toxic substances These are chemicals substances liable eitherto cause death or serious injury orto harm human health if swallowed or HKUSTS 8 BA9 Hazardous Material Inventory Management System Dept Profile User istest41 mos Class Enquiry Elnew IMDG Class Form IMDG has been adopted IIT as the basis of the Se ra ES dus bs Dangerous Goods En 22 2 Gases Non flammable non toxic gases Gases which are transported at a pressure not Detail less than 280 kPa at 20 C or as refrigerated liquids and which 1 are asphyxiant gases as S f at O n of t h e which dilute or replace the oxygen normally in the atmosphere or2 are oxidizing gases which may generally by providing oxygen cause or contribute to the combustion of other material more than air does or 3 do not come under the other classes m
8. HKUST 5 3 HB AG Hazardous Material Inven System Administration Lab Profile Enquiry E new Lab Profile Form User istest41 n d ivi d u al Lab Profile Enquiry emt eter outing TI CI laboratory profile En CLS v All v All v E work Bei nario or Room No Building UST Zone fed Contact Person Contact Tel No 1036 CL8 Main building Painchai 6883 1037 CL8 Main building J 1 Painchai 6883 O 1212 CL8 Main building 1 Paul K H CHAN 6884 1215 CL8 Main building J 1 Painchai 6883 oO 1221 CLS Main building J 1 Painchai 6883 O 1222 cLs Main building J 1 Painchai 6883 O 1223 CL8 Main building J 1 Painchai 6883 1227 CL9 Main building J 1 Painchai 5883 Bab Profile Enquiry ElnewLab Profile Form User istest41 Lab Profile Detail Click Modify button to edit profile Room No 1036 Department CLS UST Zone J Floor 1 Fax No Building Main building Contact Person Contact Tel No E mail Address 1 Painchai 5883 Ista Fa 3 IHKUST 9 38 HX SE Hazardous Material Inv System Administration User Profile Dept Profile Lab Profile Hazard Category IMDG Class MENTEM Chemicals are classified l Hazard Category Enquiry Elnew Hazard Category Form rn under several hazard Mark All Delete marked Next gt gt EN O CE CT CR N categories and the Carcinogens 11th Report on Detai Carcinogens NTP and
9. Type CWTF ID Department Room No Contact Person _ _ Ext Date Name of Reactant Product Waste Quantity Producer s Phone DD MM YY Full Name in Block Letter Name No 80 Why is Chemical Waste Log Sheet Important s Requirement of Enviropace Every waste entering into a chemical waste container must be properly logged The filled log sheet must accompany the container at the time of collection by Enviropace Enviropace will refuse collection of containers that do not carry a legible log sheet Why is Chemical Waste Log Sheet Important s To comply with the Code of Practice on the Packing Labelling and Storage of Chemical Wastes issued by the HK Environmental Protection Department To provide information to Enviropace on the treatment of received waste containers s To provide clues about the compatibility of chemical wastes in container CWTC OPEKA IION FLOW VIAGHAM CARETO PET RAL MARPOL PACKAGED WASTE BULK WASTE MAUS ERE mem mate e Bulk Tanker uc Apes Acids Alkalis Oily Water Cyanides Organics other inorganics Chromium Waste Waste Etchant Aka RARA BHLAS NW MRAP BL Treatment Effiuenis a Sob gi CR WATER TO ENERGY WATER FOR PLANT STABILIZED SOLIDS COPPER OXIDE SEWER RECOVERY REUSE OR TO SEWER TO LANDFILL RECOVERY KERR ROI AAA EA EHA TALA 83 Chemical Waste Storage s Use a spill tray seconda
10. chemical activities catalyst a Increased biological activities 13 Two Sided Sword s Beneficial uses Diagnostic imaging sensor Therapeutic drug delivery s Biomedical research s Adverse health effects s Rapid uptake thru skin epithelial cells s Translocation along neurons Novel or amplified toxicity s Oxidative stress Preliminary Toxicological Data Buckyballs caused lipid peroxidation in fish brain at 500 ppb for 48 hr s Nanosize TiO toxicity increased proportional to surface area s SWNT causes oxidative stress free radical formation depletion of antioxidants s Metal impurity may also add toxicity s Physical dimensions of some NT may cause pulmonary fibrosis and cancer similar to asbestos A Series of Concerns s Research safety Occupational safety s Consumer safety s Environmental impact Nanoresearch at HKUST Fullerenes Generation by Arc Discharge Ce H Reaction Chamber Graphite Rods and Powder 18 Purification of Fullerenes Derivatization of Nanofiber Carbon Nanotube by Chemical Vapor Deposition 21 Nano sized Zinc Oxide T ER 649459 iseneespee so TT d LAM PILLE 22 Iron Platinum Nanoparticles 23 Synthetic Zeolite s Hydrated alumino silicate porous material s Both natural and synthetic s Porous structure allow interesting chemistry s Synthesis can be fine tuned to produced desired nanostructure s P
11. environment must Show benefits clearly outweighing risks 34 Precautionary Measures Airborne Particles 2 Use local exhaust ventilation Fumehood Biological safety cabinets Pharmaceutical hoods s Use HEPA s Air treatment Protection of personnel Can HEPA Filter Capture Nanoparticles s Theoretically efficiency increase with decreasing size below 0 1 0 3 um Previously confirmed by data point down to 0 01 um 10 nm s Recent study by U Minn confirmed HEPA filtration efficiency down to 2 4 nm no thermal rebound observed Nanoparticles tend to agglomerate instead of existing as single particles _ Particle Size and Filtration Efficiency Regime E gg Percent Efficiency sorta nartia aaa Difusion Impaction Regime T and n Interception Interception SESIIME 0 01 0 1 Particle Diameter micrometers 1 HEPA Filtration Efficiency 7 _ _ gt Corona Virus POLLENS lt gt Flu Virus HUMAN SKIN CELL Comman BACTERIA e Particle MYCOBACTERIUM TUBERCULOSIS Size T BA M KE Distribution oe VIRUSES ATMOSPHERIC DUST _ Collection E Efficiency 99 99 99 98 99 97 99 96 99 95 0 001 Extrapolated curves 0 01 0 1 Based on measurement 1 Extrapola ted curves 10 Particle Size um 100 38 Fibrous Filter 1000 x Used Filter
12. hkisepo chem_info shock sensitive chemicals htm Peroxide forming chemical http www ab usthk sepo chem info peroxide chemicals htm Peroxide test http f www ab usthk sepo chem info peroxide test htm Material Safety Data Sheets http www ab usthksepo chem info rMSDS htm HKUST Safety Manual http www ab usthkisepo sm97 toc htm Center of Laboratory Supplies List of chemical available in stock http www ust hk webclsi chemstock htm Links of loca and overseas chemical suppliers httpwww ust hk wehbcls links htm What Should Users Do Make sure chemicals not purchased thru CLS are entered into inventory and barcode affixed to container s Check inventory own lab and others before buying chemicals s Check out empty reagent bottles to keep inventory updated Make sure stock taking is done at least once a year Emergency Procedures Information on Campus Emergency Response s Important phone HKUST numbers Emergency s Emergency preparedness Procedures Response procedures for various incidents Bilingual text m http www ab ust hk hs eo emergncy htm B NGASRREBEE Plan for Emergencies s What are emergencies which could happen s What systems will you need to alert you to an emergency situation s What equipment and supplies will you need in the event of an emergency What training will you need s s it safe to work alone in the area gt What is the phone number for eme
13. ried different concentrations of HCI and HNO to dissolve Qdots s Use fluorescence wavelength under microscope to verify destruction May need to use TEM as confirmation Disposed as waste metal solutions may not destruct nano feature 45 Acid Treated QDot Solution 0 6N HNO3 46 Precautionary Measures Minor Spill Response s reat as hazardous material spill s Evacuate area wait 20 minutes to allow aerosols to settle s Don respirator gloves and coverall s Remove spilled dry nanomaterials by HEPA vaccum cleaner s Use normal sorbent materials for spilled liquid containing nanomaterials Contact HSEO for major spill 47 Legal Framework for Chemical Wastes What Is Hazardous Waste s Chemical wastes Biological infectious wastes Medical clinical wastes s Radioactive wastes s Co contaminated wastes A Wrong Way to Deal with Hazardous Waste AOL Hong Kong To Shen zhe Mapa Reauy We Sur gung e N Shen Due thing j kx 11D Y s Jm MM a EN A A 2 Q o MATERIALS O 2 0 Chemical Waste Regulations in HK s Waste Disposal Chemical Waste General Regulations of 1992 s Set up a waste treatment facility Prohibition of disposal into sewer Registration of waste generators Packaging labeling and storage of chemical waste s Documented collection and disposal scheme 1 Penalties for Chemical Waste Violations 1 Section of Regulation Failing t
14. s Use a fume cupboard for waste with hazardous or odorous vapors Close container tightly after transfer s Be careful handling full containers 75 Waste Handling Procedures Always check liquid level before adding new liquids s Perform compatibility test before adding new liquids a Fill container to no more than 75 of full capacity For large volume transfers use funnel Fill in the chemical waste log sheet immediately Compatibility Test Procedures 1 s Performed inside a fume cupboard by an experienced person s Fume cupboard must be functioning properly s Transfer 50 mL existing waste from target container to beaker Place thermometer into beaker s Slowly mix in new chemical waste to the estimated volumetric ratio 77 Compatibility Test Procedures 2 a f bubbling fuming or a temperature increase of gt 10 C occurs stop mixing the wastes are INCOMPATIBLE s f no observable reaction occurs within 5 minutes the wastes are COMPATIBLE Chemical Waste Log Sheet s Use a dark color permanent ink pen not pencil or water based ink s Use chemical names of reagents and waste full name in block letters not abbreviations s nclude the volume of waste being transferred Estimate the percentage of mixture components The Hong Kong University of Science amp Technology Chemical Waste Log Sheet C W P Reg No 9311 831 T2006 01 SEPO No Waste
15. waste htm 95 Incidents amp lessons learned Case 1 Serious Injury Lab user wanted to dispose of several mL of conc nitric acid s An empty reagent bottle intended to be used as intermediate container for non halogenated solvent was used s An explosion occurred several minutes after transfer and closing of the cap s Serious injury to one hand of the user requiring surgery and hospitalization 97 n in the log sheet after Please dumping any organic waste Case 2 Serious Damage s C is regularly etched with conc acid then wash with excessive solvent Mixed waste collected in a non halogenated solvent s Lab user added a large quantity of used acid into same container s Container exploded causing extensive damage to cabinet and rest of the lab 103 Case 3 Uncontrolled Release Lab user macerate silicon plastic with conc sulfuric acid s Waste was put into spent acid container with other acids including nitric s Fume was observed lab user capped the container and left s Container later ruptured shooting waste onto ceiling and surrounding areas 104 Lessons Learned s Oxidizing e g nitric acid mixed with organics is the most common cause of chemical waste incidents s Clean intermediate waste container thoroughly if not sure clean again s Plan beforehand especially for non routine operation may need to initiate a new waste stream Lessons Learned s D
16. 7548 4 Waste Waste Ctnr Name Code Code Color Pre Treatment UNWANTED BROMINE L36 lx soLDs MAKE SURE THE LID LABPACK vi SPENT OXIDIZER 148 A GRAY ACIDIC LAB Y 24 SPENT OXIDIZER L58 AY GRAY4 ALKALI LAB ITEMS MATCHED 4 CONTAINER CODE A 20L PLASTIC CLOSED TOP PAIL 20L CARBON STEEL PAIL 20L PLASTIC OPEN TOP PAIL I 100L FIBRE DRUM PRODUCER CWN PAIL lt 50L PRODUCER OWN PAIL gt 501 B I J 50L FIBRE DRUM K p no rows selected IS TIGHTLY ENCLOSED AND THE BOTTLE IS NO LEAKING WRAP EACH BOTTLE WITH PLASTIC BAG AND PACK IN A CARTON BOX PUT THE CARTON BOX INTO OUR 20 L PLASTIC PAIL FOR RECEIVING DISSOLVE amp DILUTE W WATER INTO 5 i e WASTE WATER 1 20 AND THEN TRANSFER INTO OUR PATL DISSOLVE amp DILUTE W WATER INTO 5 i e WASTE WATER 1 20 AND THEN TRANSFER INTO OUR PAIL 20L PLASTIC PAIL IN 30L CARBON STEEL PAIL 10195577 1 10195578 2 3 93 Solid Chemical Wastes s Elemental mercury waste periodically collected by Enviropace Don t use mercury thermometers s Other solid chemical wastes such as labware in contact with highly hazardous chemicals s Special disposal arrangement through HSEO Information on Chemical Waste Disposal Chemical waste lists PROCEDURES FOR DISPOSAL OF Flowcharts to CHEMICAL WASTE determine waste type EPA Waste handling procedures Bilingual text m http www ab ust hk hseo sub menu chem
17. arning Symbol s s A Waste Log Sheet in a plastic folder for applicable waste streams CHEMICAL WASTE 70 Hazard Symbols on Chemical Waste Labels Classificaton Symbal Claasificaton Symbol fi b 0 BR pi ftu XR AR Explosive Tt Toxle aN wat N d xt E ees EN e gt D AA M v E l N TOXIC 20 SFE 7 NS P a EN P x A 4 Perdgrr wel Ed Ny dzek ane ar Granze e P A DAE PN M Flammable D C Harmful BAS gs EE INO e gt 5 o Sa gt FLAMMABLE 4 S HARMFLIL ME US e Elgch rage S or Te z Berka en Oxidizing ER Corrosive Bhs E En Wett 4 S OXIDIZING lur rage ei eli NL Barkgroyan Sy Irritant os Asbestos F P EN Er pM VA x am Dos Be N Z INSBESICS gt Dri an IN A RITA ET EN 71 Intermediate Waste Containers s Intermediate waste containers must be clearly labeled waste stream responsible person contact s Containers that receive multiple sources of waste must have a log s Same handling procedures including logging and compatibility testing s f empty reagent bottles are used they must be thoroughly cleaned 72 Chemical waste procedures Waste Handling Safety Precautions s Carefully inspect each container for broken handles or leaks before use Use appropriate personal protective equipment splash proof goggles face shield gloves lab coat respirator etc
18. aste producer Leo LEE Dept AEMF Post Senior Technical Officer Tel 8665 Room 4230 E mail chlee ust hk Name of supervisor Post Tel E mail Waste location 4229 Date DD MM YY 27 08 09 Name Formula State precaution condition of S L M Potassium Permanganate KMnO Potassium Permanganate S solid L liquid M sludge size of container holding chemical AG glass P plastic M metal Note SEPO use only 90 Jato 9 14 2009 k Wi ile Ri WPS1 The Hong Kong University of Science amp Technology tf 9311 831 T2006 01 Edmond CHENG 56 Senior EHS Specialist Physical State Solid L Liquid M Mixed Other describe ERE dl 41 Sodium Dichromate Dihydrate 1 Potassum Perm Permanganale 1 Potassium Permanganate 4 Bromine gt 005 Remarks acu Conditions Special Packing 91 COMPANY NAME THE HONG KONG UNIVERSITY OF SCIENCE amp TECHNOLOCY CWPN 9311 831 T2006 01 WPS1 DATE 11 September 2009 TOTAL ITEMS Ed CHEMICAL ITEMS PRODUCER TO NOTE FURTHER ACTION REJECT DUE TO N A PROVIDE MSDS OR CHEMICAL COMPOSITION N A CHECK NAME N A CHECK FORMULA N A CHECK pH N A CHECK PHYSICAL STATE N A CHECK CONTAINER TYPE N A EPD PART A WASTE N A C amp E CONTROL SUBSTANCE WASTE N A COMPLETED 92 CWPN 9311 831 T2006 01 COMPLETED 5 Page 1 Labpack Waste Classification List Matched CWTFID item Remark 1024
19. cal Stock Take Biohazardous Material Information Page e Chemical Inventory Check e Emergency Guideline Mal e Radionuclide Notes e Risk Phrases Alerts e Saftey Phrases e Controlled Chemical e Useful links e Peroxide test IHKUSTS HS X Hazardous Material Department and laboratory profiles are C wona Citer w established during the u Contact Person Room No Contact Tel No E asen the Y Dept Profile Enquiry Elnew Dept Profile Form User istest41 O EMF Advanced Engineering Materials Facility Leo CHLEE 4230 8665 AMCE Atmospheric Marine amp Coastal Environment Joanne On On LEE 102 8394 Program syste m APCF Animal and Plant Care Facility William KW CHAU 7201 8632 BICH Biochemistry Frances Y Y CHUEN 6302 7280 O BIOL Biology Wai Pang LAM 6214 7327 BRI Biotechnology Research Institute Tracy H H PANG 3108A 8970 CAMP Centerfor Advanced Microsystems Packaging Jeffery C C LO 1034A 8356 O CENG Chemical Engineering Siu Hung LAI 7114 2358 7140 O CHEM Chemistry Ms Judy W Y TSE 4524 7403 O evt Civil Engineering Kam Shing IU 1203A 7167 Hazardous Material Inventory Management System System Administration Y Dept Profile Enquiry Elnew Dept Profile Form User istest41 Dept Profile Detail o Click Modify button to edit profile Dept Code APCF Room No Dept Name Animal and Plant Care Facility Contact Person William KW CHAU Contact Tel No Contact E mail bokwchau ust hk Fax No
20. ilute conc acid 10 times before transfer into waste container s f fuming is observed after waste transfer move the container into a running fume hood or open area s NEVER CAP container with ongoing gas generating reaction inside s Perform compatability test NEVER mix incompatible waste 106 Waste minimization Waste Minimization Users are encouraged to s Estimate usage rate carefully Buy in container sizes appropriate to actual use Money savings from bulk purchases are easily consumed by the cost of waste disposal s Reduce inventory to a minimum rotate old containers to front of shelf review stock before purchase etc 108 Waste Minimization Waste disposal costs are increasing Recharge to waste generators in Hong Kong Is current practice s Consider trading chemicals with other researchers before disposal Chemical Exchange Program s Chemicals left after completion of projects s Some are high quality chemicals in factory seals s Give away free of charge s Details in HSEO web page Chemical Exchange Program m https www ab ust hk wkx kx intro html Co contaminated Wastes s Chemical Biological s Disinfect then treat as chemical waste s Chemical Radioactive s reat as radioactive waste Biological Radioactive Chemically disinfect then treat as radioactive waste Do not autoclave waste with volatile organics or radioisotopes 111 Hazardous Materials Inventory Sy
21. o register as a 200 000 plus 6 months 8 Failing to arrange for 200 000 plus 6 months proper disposal of waste imprisonment 9 11 13 15 Failure to comply with 100 000 plus 6 months waste packaging amp imprisonment storage requirements 52 Penalties for Chemical Waste Violations 2 Section of the Regulation Offence Maximum Penalty Failure to comply with 50 000 plus 6 months labeling and warning imprisonment requirements 37 Furnishing false 200 000 plus 6 months information imprisonment 17 Failure to notify in 1st offence 50 000 relation to Part A 2nd offence 100 000 waste or to comply with plus 500 day any given directions 53 Legal Definition of Chemical Waste s Chemical Waste is legally defined by reference to a list of substances and chemicals in Schedule 1 of the Waste Disposal Chemical Waste General Regulation enacted 18 March 1992 Items Not Considered to be Chemical Waste s Dilute acids and alkalines if 96 by weight is less than figures in Appendix A of A Guide to the Chemical Waste Control Scheme HKEPD Sep 1992 s Neutralized salts not listed in App A s Elemental metals not listed in App A e g Copper Iron Tin Zinc s Household chemicals used in labs s Apparatus rinsing water or wiping tissue 55 HKUST policy and program HKUST Safety and Environmental Policy The University will assume all reasonable directives possible to pr
22. otect its appointees students facilities and the environment placing priority emphasis towards Proper and safe procedures for the use handling storage transport and disposal of articles hazardous materials and waste Chemical Waste Management at HKUST Waste Generators are responsible to s Request the correct waste container from HSEO s Safely put their waste into the waste container Fill out the Chemical Waste Log Sheet Chemical Waste Management at HKUST Waste Generators are responsible to s Segregate waste materials in the laboratory s Safely and properly store and maintain all waste within the laboratory Request collection of waste by HSEO 59 Chemical Waste Management at HKUST HSEO is responsible to s Provide waste containers and technical assistance to waste generators at HKUST s Transport waste from laboratories to the waste accumulation area s Manage the HKUST waste accumulation area 60 Chemical Waste Management at HKUST HSEO is responsible to s Prepare hazardous waste for pickup and disposal by the waste contractor s Maintain HKUST hazardous waste records s Liaise with Environmental Protection Department and Enviropace on hazardous waste Issues Chemical Waste Collection Annual Summary Quantity of Chemical Waste 1994 Jul Dec 1095 1996 1 99 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2 380 10 530 14 580 20 830
23. otential applications as catalyst fuel cell etc 24 s sd Zeolite Other Nanomaterials s Nano Composites s Nanosized material e g CaCO added to polymer as filler s Carbon nanofiber added to polymer to increase strength Silicon Nanowire a Silicon nanowire grown on substrate Process under vacuum Quantum Dots s Quantum Dots conjugate used as fluorescence label Xenopus muscle cells grown on 4x circular coverslip s Advantage Qdot does not bleach over time like traditional http probes invitrogen com products qdot iew html fluorescence TREE 27 Core Shell Polymer coating A Biomolecule E 15 20 nm Elements of Nanosafety Program at HKUST Nano or Otherwise C Microelectronics pobnication Facility 5 el mU ENT y I 1 e 22 SA 4 pes a A IN gt eL r4 THE HONG KONG UN SCIENCE amp TECHNOL RARE MATTER abrication Facility BA U T uS G an UNIVERSITY OF SCIENCE AND TECHNOLOGY 29 Scope of Nanosafety Program Nanoparticles d lt 100 nm nanomaterials with one extended dimension e g nanotube nanowire nanofiber Nanocomposite e g CaCOz PP composite Materials with engineered nanostructure e g zeolite with designed nano size pores Silicon based nanostructure nanoelectronics Nano enabled products Nano stuff Preliminary Nanosafety Program at HKUST Safety input to Nanolab facility Nanosafe
24. r reactivity both chemical and biological s Precisely designed molecules for specific purposes Buckyballs Ce s Extremely stable s Can trap other atom or molecule inside Possible application s Superconducting material Drug delivery system Lubricant a Catalyst Carbon Nanotubes s Field emitters in flat plane display 100X strength 1 6 weight of steel mechanically stronger materials a Ultra miniaturized electronics one candidate of nonsilicon microchips Metal and Metal Oxide Nanoparticles TiO for photochemical oxidation self cleaning paints etc s ZNO in cosmetics sunblock s Fe for oxidation of contaminants in groundwater CuO for antimicrobial agent s FeO as contrast agent for MRI Quantum Dots Q Dots s Nanoparticles of semiconducting materials s Size so small it interfere with quantum behavior of atoms s Display tunable absorption and emission spectrum over visible wavelength s Strong potential for medical imaging s CdSe core with ZnS Shell I Qdot Nanocrystal L ha ere srl rd A CERE TIT CERE TT 1A Inm 10nm 100nm lpm 10pm 100 um GFP PE FITC e 2 Atom Small Dye Fluorescent Colloidal Bacterium Animal Molecules Proteins Gold Cell E Coating ZnS Shell CdSe Core 12 Biological Effects s Ultra small size s Easy penetration a Fast distribution Direct interaction with organelles s Huge surface areas a Increased
25. rgency response assistance 125 The Basic Responses for Emergencies 1 s Notify others in the lab s Evacuate and isolate the area s Activate Emergency Ventilation if necessary s DO NOT activate EV if there Is a fire Call Security Control Centre at 8999 s Provide rescue only if you are trained and have proper protective equipment s Provide first aid assistance 127 The Basic Responses for Emergencies II For chemical splash in eyes or on skin s Use eyewash and shower to rinse area for 20 minutes s Remove contaminated clothing in the shower s Get medical attention For small spills conduct clean up if a Materials is not highly toxic You have supplies gt You know what you are doing 133 Hydrofluoric Acid Health Hazard gt 50 e mmediate burns e Rapid destruction of tissue pain 20 50 e Delayed burns 1 8 hrs lt 20 e Painful reddening may be delayed up to 24 hrs As low as 2 e Delayed skin burns e Necrosis slow healing 136 HF waste container Hydrofluoric acid storage tank 137 Hydrofluoric Acid Injury For low conc exposure onset of symptoms is often slow and unnoticed s Damage Is often prolonged for example contamination around the fingernails may lead to a chronic painful condition and ultimately to amputation of the finger s Healing is usually slow Hu Prepare for Hydrofluoric Acid First Aid s All potential workers and supervisor
26. ry container for spill containment Keep the waste log sheet current s Every storage area must have a proper chemical waste sign s Store flammable waste in a flammable cabinet wherever possible LA 00 CMM CHEWCAL WASTE ll yl n ot UNS T T1X 4 86 Chemical Waste Collection Procedures s Use the HSEO web page Request for Chemical Waste Collection http www ab ust hk hseo sub menu waste htm Waste collection service by HSEO is on Tuesday or the next working day if Tuesday is a holiday s Users should make a pickup appointment if a collection site is unattended 87 Lab Pack Program s Highly reactive chemicals water reactive chemicals including conc strong oxidizing or reducing agents s Waste that cannot pass the compatibility test s Unwanted or expired chemicals Disposed of in original containers s Valuable for labs unfortunately program not running well due to cost 88 Current Lab Pack Practice s Generator produce list of chemicals need to be disposed s EPD Enviropace review list then give advice Dissolve dilute chemical then put in suitable liquid chemical waste stream Put originally packaged chemical in specified standard waste container Enviropace pick up in regular rounds Page 1 of 1_ The Hong Kong University of Science and Technology Safety and Environmental Protection Office Labpack Waste Unwanted Expired Chemical Form Name of w
27. should be trained in first aid care for HF burns s First aid actions should be planned before beginning work with HF Calcium gluconate gel should be readily accessible in areas where HF exposure potential exists 140 Hydrofluoric Acid First Aid 1 Immediately shower with large quantities of water within seconds after contact or suspected contact and completely remove all clothing while in the shower gloves removed last 2 Flush the skin thoroughly with water for 5 minutes 5 minutes is sufficient more time will delay treatment Hydrofluoric Acid First Aid 3 Apply calcium gluconate gel 2 596 at the burn site or area of contamination by rubbing it continuously wear impervious gloves 4 Do NOT use calcium gluconate gel for eyes 5 The person should be examined amp treated by a physician as soon as possible Information Sources Chemical Information Sources s Material Safety Data Sheet MSDS associated with each chemical On line CCI NFODISC and Sigma Aldrich MSDS Databases Chemical Dictionaries and other references y s Chemical Catalogs s Labels on reagent bottles Labels on Reagent Bottles Harmful Harmful and Oxidizing 145 Materials Safety Data Sheet A Material Safety Data Sheet MSDS is designed to provide both workers and emergency personnel with the proper procedures for handling or working with a particular substance Materials Safety Data Sheet
28. stem Purposes s A cradle to grave approach to track the usage of hazardous materials on campus A centralized system to assist University management and users to better manage storage and use of hazardous materials A platform for centralized purchasing and or delivery of hazardous materials s A crucial compliance tool for upcoming amendment of DG regulations Features Highlights s Allow different levels of access authority s Radioisotopes legally controlled substances and chemical warfare agents are tracked Confirmation by lab supervisor is required for transfer or disposal s Time sensitive chemicals such as peroxidizables picric acid are flagged to remind user for checking s Allow searching of specific types of chemicals such as DG by classes other regulated chemicals which helps regulatory compliance Hazardous Material Inventory Management System Overview IHKUSTS ARAD Hazardous Material Inventory Management System User istest41 System Administration Rad Material Transaction e User Profile Rad Material Profile e Dept Profile e Rad Material Direct Purchase e Lab Profile e Rad Material Import e Hazard Category e Rad Material Export e IMDG Class e Rad Material Transfer e Rad Material Stock Take i Chemical Transaction Rad Material Inventory Check Chemical Profile Chemical Direct Purchase Chemical Import e Biohazardous Material Chemical Export Chemical Transfer Chemi
29. tact Info Ordered By Paul Chan O Report your stock item s Chemical Name Arterenol Bitartrate Salt crystalline CAS No 69815 49 2 UN No INA Impurity Concentration Grade Quantity Packing tHKUSTS EHSA M Hazardous Material inventory Managemnt System Chemical Chemical Profile Direct Purchase Import Export Transfer Stock Take Inventory Check Direct Purchase Enquiry Elnew Direct Purchase Form Fo r al p u FC h ase m ad 6 New Direct Purchase Form 1 h ro U g h C LS a b a rcod e Clickthe Confirm Add button if you confirm otherwise click Back button for repetition Date of receiving 26092006 will be affixed on the item eee ee and the inventory of the User istest41 Ordered By Paul Chan Order Contact Info 6884 Chemical Name Arterenol Bitartrate Salt crystalline storage location will be wey ci updated automatically mx Expiry Date Manufacturing Date Chemical Inventory HKUSTERERAB Hazardous Material Inventory Management System Chemical Inventory Check C3 Inventory Check User istest41 Inventory Check s Prev Next gt gt SCI MAN 1 2 Dichloroethane 0608210480 1222 CLS 500 ml Enabled 1 2 Dichloroethane 0609210479 1222 CLS 500ml Enabled 1 2 Dichloroethane 0608210478 1222 CLS 500 ml Enabled 1 2 Dichloroethane 0609210477 1222 CLS 500 ml Enabled 1 2 Dichloroethane 0609210476 1222 CLS
30. ty in research proposal review s Nanomaterial database s Assessment of exposure potentials Nanosafety training and chapter in Safety Manual Precautionary measures Monitoring of nano EHS development 31 Precautionary Measures for HKUST Researchers s Mainly for engineered nanoparticles s Key references Approaches to Safe Nanotechnology An Information Exchange with NI OSH National Institute for Occupational Safety and Health July 2006 http www cdc gov niosh topics nanotech safenano pdf s approaches to safe nanotechnolo 28november200 6 Beste bur Nanoscience and nanotechnologies opportunities and uncertainties The Royal SPAT amp Royal Academy of Engineering J uly http www nanotec org uk finalReport htm 32 Precautionary Measures Risk Assessment s Nanomaterials possess unique physical chemical properties should be considered as new chemicals s reat as potentially hazardous s MSDS of raw material can only be viewed as a starting point at best Carbon practically non toxic buckyballs oral LD 300 mg kg Precautionary Measures Airborne Particles 1 Avoid aerosol generation s Many NPs generated in labs under contained conditions a NPs tend to agglomerate s However many attempts to disperse NPs for various applications Suspended fine powder can become a fire and explosion hazard Do not allow escape into environment s Intentional release into
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