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ARCHIVED REPORTS_XR0006035
Environmental Health - Public
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3500 - Local Oversight Program
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PR0545640
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ARCHIVED REPORTS_XR0006035
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Last modified
5/5/2020 2:43:42 PM
Creation date
5/5/2020 1:57:31 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0006035
RECORD_ID
PR0545640
PE
3528
FACILITY_ID
FA0003900
FACILITY_NAME
PACIFIC PRIDE COMMERCIAL FUEL
STREET_NUMBER
2402
STREET_NAME
PACIFIC
STREET_TYPE
AVE
City
STOCKTON
Zip
95204
APN
12506001
CURRENT_STATUS
02
SITE_LOCATION
2402 PACIFIC AVE
P_LOCATION
01
P_DISTRICT
002
QC Status
Approved
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EHD - Public
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' 16 June 2004 <br /> AGE-NC Project No 95-0173 <br />' Page 2 of 9 <br />' MW-1 through MW-12 (excluding well MW-5),and air sparge wells AW-1A and AW-2A utilizing <br /> disposable polyethylene bailer,only 1/2 gallon ofwater was purged from MW-11 before the well was <br /> purged `dry' Multi-level monitoring well MW-13 (A-C) and air sparge wells AW-113 and AW-213 <br />' were purged by lowering and raising a 3/8-inch or!/2-inch outer diameter,length-discrete polyethylene <br /> hose equipped with a ball-valve water tip through the top chambers into the specific water-charged <br /> screened section,a Watera-Hydro-Lift 11 pump equipped with a mechanical arm was utilized to surge <br />' the polyethylene hose Approximately 3 to 4 gallons of ground water(a minimum of three casing- <br /> water volumes per well) were purged from each multi-level well chamber and approximately 121/4 <br /> and 18 gallons were purged from air sparge wells AW1-B and AW-213, respectively <br /> Temperature,pH and conductivity were measured for stabilization at regular purge-volume intervals <br /> from each well using the Oakton water analyzer Field data and logs are in Appendix A Purged <br /> Iground water from the above wells was transferred to 55-gallon drums and stored on-site in an area <br /> lacking general public access <br /> 2 2 GROUND WATER SAMPLING <br />�. Following well purging,ground water levels in the wells achieved a minimum of 80 percent recharge <br /> prior to sample collection,except for well MW-11 which was purged `dry' and did recharge enough <br />' to collect awater sample Subsequently,groundwater samples were collected from each purged well <br /> utilizing new, disposable polyethylene bailers and transferred into 40-m1 EPA-approved volatile <br /> organic analysis (VOA) vials containing 0 5 ml 18% hydrochloric acid as a sample preservative, <br /> ground water samples were collected from multi-level well MW-13 (A, B and C) and air sparge <br /> wells AW-1B and AW-213 and poured directly into the 40-m1 VOA vials utilizing the Watera hose <br /> bailer Care was taken to ensure that visible air bubbles were not present in the vials after filling and <br /> capping Ground water sample containers were labeled with the well designation, date, time, and <br /> sampler's initials <br /> 23 LABORATORY ANALYSIS OF GROUND WATER SAMPLES <br /> After labeling,each ground water sample was logged on a chain-of-custody form,placed in a chilled <br /> container and transported to Cal Tech Environmental Laboratories(CTEL),a California Department <br /> of Health Services (DHS)-certified laboratory to be analyzed for <br /> • Total petroleumhydrocarbons quantifiedas gasoline TPH-g)by EPA Method 5030/8015M, <br /> • Benzene, toluene, ethylbenzene and total xylenes (BTEX), methyl tertiary-butyl ether <br /> • (MTBE), tert-amyl methyl ether(TAME),tertiary butanol(TBA),di-isopropyl ether(DIPE), <br /> Advanced GeoEnvironmental,Inc <br />
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