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VAPOR EXTRACTION TEST (VET) SPECIFICATIONS <br /> for <br /> FORMER TEXACO SERVICE STATION <br /> 305 SOUTH HUTCHINS STREET' I <br /> L011I, CALIFORNIA <br /> (Page 2 of 2) <br /> 10, Collect a 1 liter vapor sample from process line between VW 2 and the blower into a tedlar <br /> bag at the end of each full.hour of extraction, <br /> i <br /> 12. Measure and record the process now vapor concentration between. the two carbon vessels <br /> at the end of each fullhour of extraction using;a portable organic-vapor analyzer.(C". <br /> 12. If the OVA registers'a detectable vapor concentration between the carbon vessels, collect <br /> a'vapor sample from the.process line between the carbon vessels;into a 1 liter tedlar bag.. <br /> 13. Increase extraction lowrate,.from VW-2 to 50 acfm. <br /> j"R. Measure::and record:extraction we flowrate,.process flow.temperature vacuum and oxygem <br /> :and earbon dioxide contents din percent) every 15 minutes: <br /> 15i: Ai easure and..record vacuum:response>at VW-1, MW-3 and VW� every 15 rriinutes, <br /> 16.. Continue extraction from.VW-2at,50 acfm for two {2) hours collecting data spec'if'ied in ; <br /> Steps`14 and 15. <br /> 17.. Collect a 1-liter vapor'sample from process line betwe6n VVI+ and.the blower into a tedlar <br /> bag at the end`of each full.hour of extraction. <br /> IS. Measure and`record.the process:flow vapor concentration between the two carbon vessels <br /> at the:end of each full hour of extraction using a portable{3VA <br /> 19. If the CVA registers a detectable vapor concentration between the carbon vessels,;collect <br /> a vapor sample from the process line between the carbon:vessels into a 14iter tedlar bag: <br /> 20. End of:test. <br /> 21. -Transport:vapor samples to a,State certified analytical laboratory for the laboratory analysies <br /> of TPHg Ulowing EPA.Test Method 8015 Modified and BTEX following EPA Test.Method <br /> 8020. <br />