how-to manual for visual and physical monitoring in the field
Contents
1. 4 1 Point OF CODIAeLi cunc aeris Riv ndi de RA c ove ERROR RE 5 1 Figure 1 YSI 556 Multiprobe System Figure 2 Features of the probe module Figure 3 LaMotte 2020w turbidimeter URS 1575SR PRJOI PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 1 SECIICNONE Introduction SECTION 1 INTRODUCTION This How To Manual is to be used by Mosquito Vector Control Association of California MVCAC Member Agency field personnel during training and monitoring Monitoring shall include both visual observations and measurements of physical parameters in the field For a larvicide application event monitoring shall be conducted before and immediately after the event and within a week after the entire application project For an adulticide application event monitoring shall be conducted before and immediately after the event Visual observations of the monitoring area appearance of the water body and weather conditions shall be described and documented Physical measurements will be taken of water temperature electrical conductivity EC dissolved oxygen DO pH and turbidity Turbidity may be measured in the field or by lab analysis using a water sample The results of these monitoring activities will be recorded on a standardized field log Monitoring instructions are described in layman s terms in th2. TVOILATVNV O d 103 103 ACO LS 1D AO dO avd NIVHO 8 15 9116 3 avi uo qepnso3 e 74 e 1001977 LOL 94 0009857 LOL 8SSh6 VAVN ATTAN 881
3. 4 Prepare and scan the standard 100 NTU a Rinse the tube three times with standard water b the tube with standard water Make sure there are no bubbles Cap and dry the tube gt Insert the tube into the light chamber Make sure the line on the tube matches the line on the meter Close the lid Press the ENTER button to scan the standard Press the down arrow button to select Calibrate Press the down and up arrow buttons to select the standard value of 100 NTU Press the ENTER button to select Calibrate mo URS 575SR PRJO1 PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO HOW TO MANUAL 3OCTOBER 201 I DOCW3 OCT 11 2 7 SECTIONIWO Before Going Into the Field 5 Select Set Calibration to save the calibration 6 Rinse the tube in clear water and dry 23 HOW MAINTAIN THE FIELD INSTRUMENT All field equipment including containers and instruments must be washed off in the office before and after every use Equipment is also rinsed off with sample water at each field site before samples are collected Maintain each of the field instrument s sensors probes according to the manufacturer s specifications They are summarized in the table below for YSI 556 MPS and LaMotte 2020w Sensor Probe Activity Frequency pH glass electrode Clean glass bulb and visually inspect Before calibration and within 24 hours YSI 556 MPS before sampling DO
4. HOW TO MANUAL FOR VISUAL AND PHYSICAL MONITORING IN THE FIELD Prepared by Mosquito and Vector Control Association of California URS Corporation October 3 2011 TABLEOF CONTENTS Section 1 Section 2 Section 3 Section 4 Section 5 Figures cad vk A d a n a p 1 1 inima rta inni a c rna 2 1 2 1 How to prepare for field monitoring seen 2 1 22 to calibrate the field instrument eee 2 4 22 1 How Calibrate for pH 2 4 2 2 2 How t calibrate Tor DO suse ess 2 5 2 2 3 How to calibrate for Ite deduce 2 6 2 2 4 How to calibrate for turbidity 2 7 2 3 How maintain field instrument 2 8 Monitoring 3 1 3 1 How to make visual observations 3 1 32 to collect physical field measurements 2 eee 3 1 3 3 to collect grab samples for the lab esses 3 4 3 4 to report problems with monitoring eee 3 6 Record Keepilig deines indios asit unt dentin naut 4 1 4 1 Record keeping requirements 4 42 to record monitoring 651 5
5. a Probe Sensor Guard Source YSI 556 MPS Operations Manual Figure 2 Features of the YSI 556 probe module Source LaMotte Company 2011 http lamotte com component option com_pages lang en mid page 63 task item Figure 3 LaMotte 2020w turbidimeter URS 575SR PRJO1 PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER201 I DOCW3 OCT 11 2 3 SECTIONIWO Before Going Into the Field 22 HOW CALIBRATE THE FIELD INSTRUMENT Calibrate each of the field instrument s sensors probes according to the manufacturer s specifications They are summarized in the table below for YSI 556 MPS and LaMotte 2020w Brief step by step instructions for these instruments are given after the summary table Sensor Probe Activity Frequency pH glass electrode 3 Point calibration at pH 4 7 and 10 Within 24 hours before sampling YSI 556 MPS DO sensor Saturated air calibration 0002 at Before every measurement at field site YSI 556 MPS default 760mm Hg EC and temperature probe EC calibration to 1413 uS cm no Within 24 hours before sampling YSI 556 MPS calibration for temperature Turbidimeter Calibration blank meter zeroed and Within 24 hours before sampling LaMotte 2020w calibrated to 100 NTU 2 2 1 How to calibrate for pH 1 Make sure the sensor and transport calibration cup are clean and dry 2 On the display unit go to the main menu press Esc key and selec
6. DOC 3 OCT 11 4 1 SECTIOCNFIV E Point of Contact SECTION 5 POINT OF CONTACT Questions and concerns about monitoring activities should be directed to URS at Bonnie de Berry URS Corporation 510 874 3053 bonnie deberry urscorp com Questions and concerns about samples for the lab should be directed to Laboratory Reporting Todd Albertson Caltest Analytical Laboratory 707 258 4000 Todd CaltestLabs com URS gt 2 0npRosectswmvcac_NPDES_268176905 DELIVERABLES HOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 5 1 Figures Monitoring Log Sheet Date of monitoring Pesticide Application Information MVCAC member agency Name of applicator Time Date of application Name s of personnel Location address common name crossroads or coordinates Type of pesticide check one Name of water body Larvicide Product name LC Adulticide Product name Type of water body check one Dimensions velocity etc optional Timing of monitoring check one Pond L Background 24 hours prior to application Lake L Event within 24 hours of application Open waterway L Post event within 1 week after project completion Channel Visual Observation Current weather conditions Water color check one Present in water check all that apply L Colorless check all that apply L L Green L Floating or su
7. HENO LO oniseld Wid Ld ld amp 009 HY 817 Jequy 1 S3dAL HANIVLNOO m VOA AS 22 0 8944 d4 Pos eBpnis 1108 15 ayem 2 pasaq snoenby 5 34 S LN3 AINOO om Old lt 19M snoenby ov XIH1VIN M EA ncm ART ppm N A LOWLNI N A Ga1vas dWAL AS OHOIIN OM Se dues 5 gt 2 gt A8 AWIVALva A8 A8 1 31 A8 3 lt SIU JO 9SJ9A9J OY UO YO 195 suonipuo pue eui epige 599168 S ajdwes jo Ag lt g d Q lt d gt Q gt 2 lt gt 2 2 4 gt E m 3 SMYVINSY avy 9 1 ALIS NOILVOISILNAGI 3 JNLYAYISJYd AdAL LNNOWY XIHLYN G3 1dlAVS 2 10 H3NIVLNOO 53119 m jg p mE ana 3INVN NSIS 8 1NIHd 1 3NOHd lt 55 E QquvaNvis 8 1 417 3118 ALIO 55 GALSANODAY 545 1 OL 4
8. Monitoring Log Sheet fill out the Pesticide Application Information and Monitoring Information sections at the top of the sheet if they haven t been completed already If visual observations have already been made for the same location on the same day and time then use the same Monitoring Log Sheet for that set of visual observations 4 Basedon the water body conditions figure out how the measurement will be taken a Ifthe water body is narrow for example middle of stream is within arm s reach and shallow the measurement should be taken from the bank b If the water body is wide and can be safely waded for example the flow is slow the measurement should be taken by wading into the middle of the water body Put on waders or rubber boots if following this method c Ifthe water body is wide and cannot be safely waded for example the flow is too fast or strong to stand up in the measurement should be taken by using a pole sampler from the safety of the bank or bridge If sampling from a bridge the measurement should be taken from the upstream side of the bridge 5 Put on new gloves 6 Setup the field instrument by attaching the probe module to the base of the display unit Turn the field instrument on If using a field turbidimeter set up the turbidimeter on a sturdy surface on the bank and turn on 7 Make sure that the instrument has been calibrated and maintained appropriately Note The DO sensor must be calibr
9. SECTIONIWO Before Going Into the Field i Grab sample containers provided by lab Sample labels Note Labels should include the site name or ID same as the location given on the Monitoring Log Sheet date sample time and field personnel s initials Use 24 hour military time for the sample time round to the nearest 10 minutes For example a sample collected at 09 52 would have the sample time on the label and Chain of Custody COC form rounded off to 09 50 a sample collected at 09 57 would be rounded up to 10 00 09 55 would also be rounded up to 10 00 Use the following format for the date mm dd yy Clear tape iv Cooler for sample storage and shipping v or blue icepack if provided by lab vi 5 gallon carboy of clear water i e tap water or equivalent vii Chain of Custody COC forms Note A blank COC form is provided at the end of this Manual viii Pole sampler with bungee cord Display Unit Probe Module Source YSI Incorporated 2011 http www ysi com productsdetail php 556MPS 21 Figure 1 YSI 556 Multiprobe System URS 575SR PRJO1 PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER201 I DOCW3 OCT 11 2 2 SECTIONIWO Before Going Into the Field Strain Relief Cable gt Metal Probe Connector Nut pH ORP Probe Dissolved Oxygen DO Probe Conductivity Temperature 9 Transport 9 Calibration Cup gt 9
10. and scan the sample 13 Allow the instrument readings to stabilize before recording the results on the Monitoring Log Sheet If using a turbidimeter the turbidity reading will appear instantly when scanned Record the instrument model e g YSI 556 MSP LaMotte 2020w and or unit number on the Monitoring Log Sheet Note If flow in the water body is low or if measuring in the container stir the probe so that the DO sensor will stabilize 14 Record the results for temperature EC DO pH and turbidity 1f measured by field instrument on the Monitoring Log Sheet under the Field Measurement section URS 575SR PRJO1 PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO MANUALWMVCAC HOW TO MANUAL 3OCTOBER 201 I DOCW3 OCT 11 3 gt 3 SECTIONTHREE Monitoring Inthe Field 15 Turn off the field instrument and detach the probe module Rinse the probe with clear water before placing the instrument back in its case 33 HOW TO COLLECT GRAB SAMPLES FOR THE LAB If the field instrument does not measure turbidity or other required physical parameters then grab samples will need to be collected and sent to Caltest Analytical Laboratory Grab samples should be collected at the same time as field measurements 1 Put on new gloves 2 Complete a label for one sample container using a permanent marker The label should include the site name or ID same as the location given on the Monitoring Log Sheet date sample time and field personnel
11. sensor Change membrane and KCl solution Every 30 days YSI 556 MPS EC and temperature probe Clean electrodes Before calibration and within 24 hours YSI 556 MPS before sampling Turbidimeter Clean light chamber and sample tube Before calibration and within 24 hours LaMotte 2020w and visually inspect before sampling URS gt 2 0npRosectswmvcac_NPDES_268176905 DELIVERABLES HOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 2 8 SECTIONTHREE Monitoring Inthe Field SECTION 3 MONITORING IN THE FIELD 31 HOWTO MAKE VISUAL OBSERVATIONS 1 All Member Agencies will participate in visual observations 2 For both larvicide and adulticide monitoring visual observations shall be conducted for application of each active ingredient at 10 of all application events or six application events whichever is greater a For larvicides conduct visual observations three times per application event i Background 24 hours prior to application ii Event within 24 hours after application Post event within 1 week after project completion b For adulticides conduct visual observations two times per application event i Background 24 hours prior to application Event within 24 hours after application 3 Onanew Monitoring Log Sheet fill out the Pesticide Application Information and Monitoring Information sections at the top of the sheet if they haven t been completed already If field measurements will
12. visual observations take physical measurements or collect grab samples record the reason why monitoring could not be completed on the Monitoring Log Sheet For example the water body might be dry there were safety hazards or the field instruments failed Call the Deputy Project Manager at any time to report field conditions that prevent monitoring or if you are unsure about performing any monitoring activities Contact information 15 given at the end of this Manual 3 If the water has a bad odor record this on the Monitoring Log Sheet If any changes to the sampling procedures were made while monitoring in the field record these changes on the Monitoring Log Sheet URS 575SR PRJO1 PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO MANUALWMVCAC HOW TO MANUAL 3OCTOBER 201 I DOCW3 OCT 11 3 6 SECTIONFOUR Record Keeping SECTION 4 RECORD KEEPING 41 RECORD KEEPING REQUIREMENTS Member Agencies are required to maintain a Pesticide Application Log for each larvicide and adulticide application The Pesticide Application Log shall contain at a minimum the following information when practical e Date of application e Location of the application and target areas e g address crossroads map coordinates e Name of applicator e The names of the water bodies treated 1 e canal creek lake etc Application details such as application started and stopped pesticide application rate and concentration f
13. ated at every field site before DO measurement Instructions for calibrating the DO sensor are given in Section 2 2 2 8 Make sure that the units in which the instrument is measuring the field parameters are as shown in the table below Field parameter Units Temperature degrees Fahrenheit F EC microsiemens per centimeter uS cm which is same as micromhos per centimeter umhos cm DO milligrams per liter mg L pH pH units Turbidity if measured by nephelometric turbidity unit NTU field instrument 9 Attach the probe sensor guard to the probe module before placing the probe module in the water body or sample container If using a turbidimeter this step does not apply URS 575SR PRJO1 PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO HOW TO MANUAL 3OCTOBER 201 I DOCW3 OCT 11 3 2 SECTIONTHREE Monitoring Inthe Field 10 If it is safe and if water is deep enough face upstream and place the probe of the field instrument directly into the middle of the waterway or flowpath of the water body If using a turbidimeter this step does not apply a If monitoring for a larvicide application place the probe at a depth of 3 feet if possible or mid depth if water is shallow b If monitoring for an adulticide application place the probe immediately below the water surface 11 Otherwise for shallow waters face upstream and fill a clean grab sample container wit
14. be made for the same location on the same day and time then use the same Monitoring Log Sheet for that set of field measurements 4 Make visual observations of the weather cloudiness precipitation wind temperature and water conditions color clarity etc from the edge of the water body Do not wade into the water to make visual observations 5 Check the appropriate boxes on the Monitoring Log Sheet under the Visual Observation section 32 HOW TO COLLECT PHYSICAL FIELD MEASUREMENTS 1 Select Member Agencies will collect physical field measurements for larvicide applications MVCAC will collect physical field measurements for adulticide applications 2 For both larvicide and adulticide monitoring physical measurements will be recorded for up to six application events per environmental setting urban agricultural or wetland a For larvicides conduct field measurements three times per application event i Background 24 hours prior to application Event within 24 hours after application Post event within 1 week after project completion URS gt _ 268176905 MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 3 1 SECTIONTHREE Monitoring Inthe Field b For adulticides conduct field measurements two times per application event i Background 24 hours prior to application Event within 24 hours after application 3 Onanew
15. dulticides dip the opening of the container immediately below the water surface d Completely fill the container with water keep container under water until bubbling stops e Replace the cap on the sample container 5 If using a pole sampler a Remove the cap of the sample container b Using a bungee cord attach the sample container to the pole sampler URS gt erorrowcTsmvcAc NPDES 268176905 DELIVERABLESIHOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 3 4 SECTIONTHREE Monitoring Inthe Field c Stand at the edge of the water body or on a bridge upstream side and dip the end of the pole into the water body d Rinse the container three times in the water body e Fill the sample container with water by placing the container in the middle of the flowpath facing the container opening upstream and upwind i If sampling for larvicides dip the opening of the container 3 feet below the surface or mid depth if water is shallow ii If sampling for adulticides dip the opening of the container just below the water surface f Completely fill the container with water keep container under water until bubbling stops g Replace the cap on the sample container h Remove the sample container from the pole sampler 6 Dry the bottle Attach the label to the bottle if this was not done prior to sample collection 7 Immediately place the sample container into a cooler containing ice or icepacks Make su
16. h water by holding the container in the middle of the flowpath facing the container opening upstream and ideally upwind If using a turbidimeter this step does not apply a If monitoring for a larvicide application the grab sample should be collected at a mid depth If possible the grab sample container should be uncapped filled and recapped while underwater b If monitoring for an adulticide application the grab sample should be collected immediately below the water surface c Place the probe in the container or if using a turbidimeter place the tube in the light chamber 12 If using a turbidimeter prepare a sample tube to bring back to the instrument at the bank for measurement Remove the cap of a clean sample tube tube number code 0290 b Rinse the tube three times in the water body c Fill the sample tube with water by holding the tube in the middle of the flowpath facing the container opening upstream and ideally upwind i If sampling for larvicides dip the opening of the container 3 feet below the surface or mid depth if water is shallow If possible the sample tube should be uncapped filled and recapped while underwater ii If sampling for adulticides dip the opening of the container immediately below the water surface d Cap and dry the tube Make sure there are no bubbles e Insert the tube into the light chamber Make sure the line on the tube matches the line on the meter Close the lid
17. ir temperature is somewhat close to the water temperature If the air is too hot move into the shade If the air is too cool move into the sun Make sure the sensor is clean Make sure a little bit about 1 8 inch of clear water is at the bottom of the transport calibration cup Lightly attach the cup to the probe module On the display unit go to the main menu press Esc key and select Calibrate DO then DO 90 Type in 760 mmHg for the barometric pressure and press enter Wait 10 minutes for temperature and pressure to stabilize 8 When the DO value on the display screen has stabilized press enter to complete calibration Note The DO value can be found as shown on the example display screen below URS gt erorrowcTsmvcac NPDES 268176905 DELIVERABLESHOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 2 5 SECTIONIWO Before Going Into the Field 10 2 2 3 cue d DOsat calibration enu 9 pH 294 7 ox 140 0 01 28 2000 18 41 04 Press enter again to accept this calibration and return to the calibration menu Rinse the probe module and sensor in clear water and dry How to calibrate for EC Make sure the sensor and transport calibration cup are clean and dry On the display unit go to the main menu press Esc key and select Calibrate Conductivity then Specific Conductance Place standard sol
18. is Manual This Manual is not intended to replace the MVCAC Monitoring Plan MVCAC Quality Assurance Project Plan QAPP field instrument operations manuals or any standard operating procedures Member Agencies are responsible for the health and safety of their field personnel This Manual does not specify safety precautions e g use of personal protective equipment traffic cones etc that should be taken during the activities described herein URS gt 2 0npRosectswmvcac_NPDES_268176905 DELIVERABLES HOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 1 1 SECTIONIWO Before Going Into the Field SECTION 2 BEFORE GOING INTO THE FIELD 2 1 HOW PREPARE FOR FIELD MONITORING Assemble a field team of at least two people with at least one trained person The trained person should already be familiar with this Manual Calibrate and maintain field instruments in accordance with the manufacturer s specifications Instructions for calibrating and maintaining are briefly described in this Manual Note This Manual uses YSI 556 MPS see Figures 1 and 2 as an example field instrument for measuring temperature EC DO and pH The YSI 556 MPS does not have the ability to measure turbidity The LaMotte 2020w see Figure 3 is used an example field instrument for measuring turbidity MVCAC may consider using other hand held instruments outfitted with all necessary sensors probes including the YSI 6136 turbidity senso
19. low rate of the target area surface water area volume of water treated pesticide s adjuvants used and volume or mass of each component discharged It may be preferable to incorporate the visual observation and physical monitoring requirements described in this How To Manual into the Member Agency s existing paper based or electronic data management systems 42 RECORD MONITORING RESULTS 1 Record the visual observations and physical measurements on the Monitoring Log Sheet as described above A blank Monitoring Log Sheet is provided at the end of this How To Manual 2 Record any sampling issues or changes to the sampling procedures on the Monitoring Log Sheet If physical measurements or grab samples could not be collected or completed describe why for example the water body was dry or there were safety hazards 3 Give the completed Monitoring Log Sheet to URS Make a photocopy of the completed Monitoring Log Sheet for the Member Agency s files If any field parameters e g turbidity need to be measured by a lab then leave the results for those parameters blank Just check the Sent to lab checkbox on the Monitoring Log Sheet for those parameters 4 Give COC forms to the lab along with any field samples as described above A blank COC form is provided at the end of this How To Manual URS gt _ 268176905 MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011
20. r If a different instrument is used then refer to that instrument s user manual 3 Pack the following supplies and equipment a Directions to the monitoring locations maps site photos and or a GPS unit as necessary Monitoring locations should be selected before field personnel are deployed b Field instruments e g YSI 556 MPS and LaMotte 2020w that have been calibrated and are in good working order Pens and permanent markers d Flat writing surface such as a clipboard or binder e Monitoring Log Sheets printed on waterproof e g Rite n Rain paper if available Fill out as much of the Pesticide Application Information and Monitoring Information except the time sections as possible before going out into the field Note A blank Monitoring Log Sheet is provided at the end of this Manual The information that the field team needs to gather and record during visual observations and field measurements is listed on the Monitoring Log Sheet f Appropriate health and safety gear in accordance with Member Agency protocol These may include i Disposable latex gloves or equivalent Waders or rubber boots Reflective safety vests iv Road cones v Emergency contact information g Sampling equipment if any field parameters e g turbidity will be collected for lab analysis URS gt 2 0npRosectswvcac_NPDES_268176905 DELIVERABLES HOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 2 1
21. re the cooler is not in direct sunlight 8 While in the field and before delivering the cooler to the lab check the ice level of the cooler Add ice if necessary Drain any melted water from the cooler 9 On the Monitoring Log Sheet under the Field Measurement section check the Sent to lab check box 10 Fill out a new COC form or continue filling out the same COC form for the day and keep it with the cooler When the COC form is completed for the day and before it is given to Caltest Analytical Laboratory make sure that it is Double checked for correctness b Signed by the appropriate field personnel under Relinquished by c Photocopied for the Member Agency s files Write or stamp on the photocopy 11 Back at the office prepare the cooler for shipment to or pick up by Caltest Analytical Laboratory a Turbidity samples should be sent to the lab the same day they are collected Samples must be analyzed within 48 hours b If shipping place in a plastic ziplock bag and tape it to the inside of the cooler lid Do not include the Monitoring Log Sheet with the cooler Seal the cooler with tape d Ship the cooler using overnight delivery URS 575SR PRJO1 PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO MANUALWMVCAC HOW TO MANUAL 3OCTOBER 201 I DOCW3 OCT 11 3 5 34 SECTIONTHREE Monitoring Inthe Field HOW TO REPORT PROBLEMS WITH MONITORING If itis not possible to make
22. s initials If applying the label to the bottle before sample collection cover the entire label with a piece of clear tape to prevent peeling 3 Based on the water body conditions figure out how the sample will be collected a If the water body is narrow for example middle of stream is within arm s reach and shallow the sample should be collected from the bank b If the water body is wide and can be safely waded for example the flow is slow the sample should be collected by wading into the middle of the water body Put on waders or rubber boots if following this method c Ifthe water body is wide and cannot be safely waded for example the flow is too fast or strong to stand up in the sample should be collected by using a pole sampler from the safety of the bank or bridge If sampling from a bridge the sample should be collected from the upstream side of the bridge 4 If collecting a sample by hand from the bank or by wading Remove the cap of the sample container b Rinse the container three times in the water body c Face upstream and fill the sample container with water by holding the container in the middle of the flowpath facing the container opening upstream and upwind i If sampling for larvicides dip the opening of the container 3 feet below the surface or mid depth if water is shallow If possible the grab sample container should be uncapped filled and recapped while underwater ii If sampling for a
23. spended matter L Cloud cover Yellow Bottom deposits Partly cloudy Brown Aquatic life Overcast Other L Water surface oils check one if present Slick Precipitation Films L Foggy Water clarity check one Sheen Drizzle L Clear can see bottom L Gloss L Intermittent showers Cloudy Flecks Steady rain Coatings L Heavy storm Other L Snow Fungi slimes or objectionable growths Wind Potential nuisance conditions Calm Describe Light breeze L Gusty Airtemperature L Cool L Warm mild Hot Field Measurement Parameter Result Water temperature Electrical conductivity EC Dissolved oxygen DO pH Turbidity L Field instrument Model L Field instrument Model L Field instrument Model L Field instrument Model Unit Method of measurement F umhos cm L Sent to lab mg L Sent to lab Sent to lab or NTU Sent to lab or L Field instrument Model 3 439H 8 ONH D 1eurejuo ed 19410 1 oo le eqn 55814 18 LOWE 20 vg 105 01514 uol HOEN oS ONM 189 HEH DH 9158 4
24. t Calibrate pH then 3 point 3 For the first calibration point at pH 7 a Place buffer solution in the cup for the first point of calibration 30 mL Fisher Scientific Buffer Solution for pH 7 b Place the sensor into the solution Move the sensor around to remove any bubbles c Using the temperature pH conversion chart on the buffer container look up the pH value of the solution at the current temperature Type in this pH value and press enter d Wait one minute for temperature and pH to stabilize e When the temperature and pH values on the display screen have stabilized press enter to complete the first calibration point Note The temperature and EC values can be found as shown on the example display screen below URS 575SR PRJO1 PROJECTS MVCAC_NPDES_26817690 5 DELIVERABLES HOW TO HOW TO MANUAL 3OCTOBER 201 I DOCW3 OCT 11 2 4 SECTIONIWO Before Going Into the Field 2 2 2 01 28 2000 18 58 08 f Press enter again to return to the pH entry screen or the pH calibration menu g Rinse the probe module and sensor in clear water and dry For the second calibration point at pH 4 repeat step 3 parts a through g For the third calibration point at pH 10 repeat step 3 parts a through g Press enter again to accept this 3 point calibration and return to the calibration menu How to calibrate for DO Make sure the calibration is performed in a location where the a
25. ution 55 mL Oaklon in the cup Place the sensor into the solution Move the sensor around to remove any bubbles Type in 1 413 mS cm for the conductivity of the standard solution and press enter Wait one minute for temperature and specific conductance to stabilize When the temperature and EC values on the display screen have stabilized press enter to complete calibration Note The temperature and EC values can be found as shown on the example display screen below URS 2588 2 0nprosectswvcac_NPDES_268176905 DELIVERABLES HOW TO MANUAL MVCAC_HOW TO MANUAL_30CTOBER2011 DOC 3 OCT 11 2 6 SECTIONIWO Before Going Into the Field Cond calibration 10 68 315 3 739 6 01 27 2000 01 14 19 8 Press enter again to accept this calibration and return to the calibration menu 9 Rinse the probe module and sensor in clear water and dry 2 24 How to calibrate for turbidity 1 Make sure that the light chamber and sample tube code 0290 are clean and dry 2 From the Main Menu on the display select Measure then Turbidity With Blank 3 Prepare and scan the blank a Rinse the inside of a clean tube three times with clear water b Fill the tube with clear water Make sure there are no bubbles Cap and dry the tube d Insert the tube into the light chamber Make sure the line on the tube matches the line on the meter Close the lid e Press the ENTER button to scan the blank
Download Pdf Manuals
Related Search