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alsclence Canister Sampling Instructions <br /> n vlronmental <br /> aboratorles,Inc. <br /> + <br /> I � <br /> TIME INTEGRATED SAMPLES <br /> 1.Record the canister ID on the COC SOIL GAS SAMPLES <br /> GRAB SAMPLES 2.Record the initial vacuum reading on the COC 1. Record the canister ID on the COC <br /> 3.Record the flow controller ID on the COC 2• Record the initial vacuum reading on the COC <br /> 1. Record the canister ID on the COC 3. Record the flow controller ID on the COC <br /> 2. Record the initial vacuum reading on the COC 4. Remove the brass dust cap with a 9J16"open <br /> ended wrench 4. Remove the brass dust cap with a 9/16"open <br /> 3. Remove the brass dust cap with a 9/16"open ended wrench <br /> ended wrench 5.Attach the flow controller(1/4 female <br /> fitting)to the canister inlet(1/4"male fitting) 5.Attach the flow controller(1/4"female <br /> 4.Attach particulate filter to canister inlet,if fitting)to the canister inlet(1/4"male fitting) <br /> requested 6.The compression fittings are designed to be <br /> hand tightened then%turn with a 9/16"open 6•The compression fittings are designed to be <br /> S.To start sampling, rotate the canister valve hand tightened then%turn with a 9/16"open <br /> counter-clockwise until fully open ended wrench <br /> 7.To start sampling, rotate the canister valve ended wrench <br /> 6.To stop sampling,close the canister valve by 7.Attach to sampling equipment <br /> turning clockwise until fully closed counter-clockwise until fully open <br /> 8. Record start time on the COC 8.To start sampling, rotate the canister valve <br /> 7. Replace the brass dust cap counter-clockwise until fully opened <br /> 8. Record the final vacuum reading on the COC 9�To stop sampling after appropriate time <br /> lapse, close the canister valve by turning 9• Record the start time on the COC <br /> clockwise until fully closed 10.To stop sampling,close the canister valve by <br /> 10. Record the stop time on the COC turning clockwise until fully closed <br /> 11.Remove the flow controller 11. Record the stop time on the COC <br /> 12.Replace the brass dust cap 12. Remove the flow controller <br /> 13.Record the final vacuum reading on the COC 13.Replace the brass dust cap <br /> 14.Record the final vacuum reading on the COC <br /> If at any point you have questions,please call your Calscience Project Manager at 714.895.5494 <br /> The difference is service <br />