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ARCHIVED REPORTS_XR0003771
EnvironmentalHealth
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2900 - Site Mitigation Program
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PR0540905
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ARCHIVED REPORTS_XR0003771
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Entry Properties
Last modified
2/3/2020 10:06:44 AM
Creation date
2/3/2020 9:11:13 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0003771
RECORD_ID
PR0540905
PE
2960
FACILITY_ID
FA0023406
FACILITY_NAME
SIERRA LUMBER MANUFACTURERS
STREET_NUMBER
375
Direction
W
STREET_NAME
HAZELTON
STREET_TYPE
AVE
City
STOCKTON
Zip
95205
APN
147120808
CURRENT_STATUS
01
SITE_LOCATION
375 W HAZELTON AVE
P_LOCATION
01
QC Status
Approved
Scanner
SJGOV\sballwahn
Tags
EHD - Public
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�....a�—.5.lit��S.—=•.._:'zs�S.—: � r .W.{+..7`� �C�"rSL.�i.-1. .�-,-..._.^�<..r- -�r._.- •.:Sf w-. .. ..;^,...�..1.. _..Y�I�s ..�r 4'1iYi+li�rt:.a:a_ r .� �_�+ ,...- ..� -�.._ _..r� -. <br /> u } w <br /> i <br /> 15 February 2000 <br /> AGE-NC Project No 98-0448 <br />' Page 7 of 33 <br /> points using Magnehelic vacuum gauges The extracted hydrocarbon vapor was destroyed in the IC <br />' engine as part of the internal combustion`process Emissions from the engine were routed through <br /> two catalytic converters to maximize the destruction rate of hydrocarbon vapor <br /> 1 1 <br /> 32 PILOT TEST PROCEDURES <br /> 1 <br /> Air-tight, PVC well slip caps with attached Magnehelic vacuum gauges, were attached to SVE well <br /> VW-1, EW-1 and MW-6 The air stream from VW-2 was monitored for the presence of organic <br />' vapor using an organic vapor analyzer (OVA) equipped with a photo-ionization detector (PID <br /> Thermo Environmental 580A, 10 0 eV, calibrated to isobutylene) The air flow was monitored using <br /> a Dwyer DS-200 flow sensor The flow rate was determined from the measured differential pressure <br />' and the piping diameter using a nomograph (Appendix E) Field measurements were recorded at <br /> regular intervals throughout the pilot test and are summarized in Table 9 <br /> 33 COLLECTION AND ANALYSIS OF VAPOR SAMPLES <br /> A total of five vapor samples were collected at two-hour intervals from the inlet of the extraction <br /> well(VW-2)to measure concentrations of extracted hydrocarbon vapor The samples were collected <br />' in Tedlar bags using the organic vapor analyzer as an air pump <br /> Following sample collection, the samples were placed in a covered container and transported under <br />' chain-of-custody to Precision Enviro-Tech Analytical Laboratory in Stockton, California Each <br /> sample was analyzed within 72 hours for TPH-g,BTEX and MTBE in accordance with EPA Method <br /> TO-14 <br /> 1 <br /> 34 RESULTS OF VAPOR EXTRACTION PILOT TEST <br /> 1 <br /> During the SVE pilot test, flow rates were measured from VW-2 between 40 and 61 standard cubic <br /> feet per minute (scfm) at 0 55 to 1 50 inches of water of differential pressure, during the pilot test, <br /> the induced vacuum flow measurements stabilized at approximately 0 65 inches of water(43 scfn) <br /> Hydrocarbon concentrations in the well effluent stream were measured at regular intervals PID field <br />' measurements ranged from 4 to 276 parts per million (ppm), the PID measurements generally <br /> decreased as the test progressed Field measurements are summarized in Table 9 <br /> Induced vacuum measurements were recorded from wells VW-1,VW-2,EW-1 and MW-6 utilizing <br /> Dwyer magnehelic gauges The greatest vacuum measurements were observed from extraction well <br /> VW-2 at approximately 98 inches of water Vacuum measurements were observed from EW-1 <br /> Advanced GeoEn,Ironmental,Inc <br />
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