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2900 - Site Mitigation Program
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PR0531103
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Last modified
12/11/2019 8:55:11 AM
Creation date
12/11/2019 8:34:34 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
WORK PLANS
RECORD_ID
PR0531103
PE
2950
FACILITY_ID
FA0020032
FACILITY_NAME
C A MATT FORMER TEXACO
STREET_NUMBER
1303
STREET_NAME
FIRST
STREET_TYPE
ST
City
ESCALON
Zip
95320
APN
22709001
CURRENT_STATUS
01
SITE_LOCATION
1303 FIRST ST
P_LOCATION
06
P_DISTRICT
004
QC Status
Approved
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EHD - Public
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Ms. Lori Duncan <br /> August 25,2008 <br /> Page 3 of 4 <br /> advanced by Soilprobe Inc. (C57-727748) using a direct-push drilling rig equipped with 1'/z-inch <br /> and/or 2%4-inch diameter drilling rods. Access to the former USTs is impaired by overhead and <br /> underground utilities making it problematic to use a larger hollow stem auger-type drill rig <br /> Two borings will be vertically and three borings will be advanced at angles of up to 30° from <br /> vertical. The angle borings will be advanced beneath the USTs that border First Street. This will <br /> allow the collection of soil samples beneath the tank pits without going through backfill material <br /> and also provide a safe zone to work around underground utilities. The borings near Kleinfelder's <br /> B-24 location and the waste oil tank will be advanced vertically. <br /> I� <br /> Soil samples will be collected continuously for the purpose of soil-type identification, subjective <br /> evaluation of hydrocarbon contamination using visual/olfactory methods and a photo ionization <br /> detector (PID), and for possible laboratory analysis. Soils will be classified in accordance with both <br /> the North American Commission on Stratigraphic Nomenclature, and ASTM Designation D2488- <br /> 90, which is equivalent to the Unified Soil Classification System. <br /> Up to two soil samples per boring will be submitted for laboratory analysis. Soil samples will be <br /> uniquely labeled, temporarily stored in an ice chest refrigerated to a temperature of <br /> approximately 4°C and delivered under chain of custody protocol to Argon Laboratories (FLAP <br /> #2359) for analysis. Soil samples will be analyzed for the following constituents: <br /> • Total petroleum hydrocarbons as gasoline (TPHg)using EPA Method 8015M <br /> • Total petroleum hydrocarbons as diesel (TPHd)using EPA Method 8015M <br /> • Benzene,toluene, ethylbenzene,xylenes (BTEX)using EPA 8021B <br /> • Methyl tert-butyl ether(MtBE)by EPA method 8260B <br /> Reporting <br /> Following the receipt of analytical results, a technical report describing the methods and results of <br /> this investigation will be submitted to San Joaquin County Environmental Health Department. The <br /> report will describe to the degree possible the nature and extent of soil contamination beneath the <br /> former USTs and dispenser island. The report will be reviewed and signed by a California <br /> Registered Geologist. <br /> Protocols and Safety <br /> All field and laboratory activities will be conducted in accordance with Ground Zero's Quality <br /> Assurance/Quality Control Plan and Site Safety Plan on file with the EHD under the supervision of <br /> a California Registered Geologist. <br /> G:\GROUNDZE\MATPReports\Work Plans\Initial Site Investigation.doc <br /> 41 <br />
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