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FIELD DOCUMENTS_CASE 2
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FIELD DOCUMENTS_CASE 2
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Last modified
12/19/2019 2:20:12 PM
Creation date
12/19/2019 2:16:46 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
FIELD DOCUMENTS
FileName_PostFix
CASE 2
RECORD_ID
PR0545105
PE
3528
FACILITY_ID
FA0003965
FACILITY_NAME
PG&E
STREET_NUMBER
4040
STREET_NAME
WEST
STREET_TYPE
LN
City
STOCKTON
Zip
95204
APN
11702001
CURRENT_STATUS
02
SITE_LOCATION
4040 WEST LN
P_LOCATION
01
P_DISTRICT
002
QC Status
Approved
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EHD - Public
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Sampling Report-P.G&E.,Stoclaoa,C4 October,2003 <br /> FIELD ACTIVITIES <br /> Geo-Logic's first phase of field work was performed on October 17, 2003. The original piping had <br /> „r been removed prior to the sampling event. One sample, labeled as PI (4.5'), was collected from <br /> beneath the product piping at the location of a 45 degree elbow near the tank, at the depth indicated. <br /> A second sample, labeled P2 (4'), was collected from beneath the product piping adjacent to the <br /> .� building wall. The samples were collected from approximately two feet into native material, which <br /> consisted of a silty sand. Ms. Michelle Le of the San .Joaquin County Environmental Health <br /> Department witnessed the sampling. The locations of the sample points are shown on Figure 1. No <br /> evidence of hydrocarbon contamination was observed in any of the samples or in the piping trench or <br /> tank pit excavation. <br /> The samples were collected into the trench bottom. The liners containing the samples were then <br /> capped, labeled, and stored in a cooled ice chest prior to delivery to the laboratory. <br /> On October 24, 2003, Geo-Logic returned to the site to conduct sampling beneath three dispensers. <br /> The dispensers, which consisted of two unleaded gasoline and one diesel dispenser, had been removed. <br /> Three samples, designated as UNL-1 (4'), UNI,-2 (4'), and Diesel (4'), were collected from beneath <br /> 4 the dispensers at the depth indicated. <br /> The samples were collected by driving brass liners directly into bulk material excavated by backhoe. <br /> ' Ms. Michelle Le of the San Joaquin County Environmental Health Department witnessed the sampling. <br /> The locations of the sample points are shown on Figure 1. No evidence of hydrocarbon contamination <br /> was observed at any of the sample locations, except for at UNI. 1, where there was a slight odor of <br /> "^ hydrocarbons at about two feet below grade, but no odor at the sample depth <br /> ANALYTICAL RESULTS <br /> I <br /> The laboratory analyses for the soil samples were performed by McCampbell Analytical in Pacheco, <br /> California. The samples were accompanied by properly executed Chain of Custody documentation. <br /> M" Samples P1 and P2 from the waste oil tank piping trench were analyzed for total petroleum <br /> hydrocarbons (TPH) as gasoline and benzene, toluene, ethylbenzene, and xylenes (BTEC by EPA <br /> Method 8020 and 8015 - Modified, TPH as diesel by EPA Method 8015 — Modified, the LUFT 5 <br /> metals, volatile organic compounds (VOCs) and the fuel oxygenates by EPA Method 8250, and for <br /> PCBs. The two samples from beneath the unleaded gas dispensers were analyzed for TPH as gasoline, <br /> BTEX, and the fuel oxygenates. The sample from beneath the fuel dispenser was analyzed for TPH as <br /> gasoline, BTEX, and TPH as diesel. <br /> 2 <br /> .r <br />
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