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SITE INFORMATION AND CORRESPONDENCE
Environmental Health - Public
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EHD Program Facility Records by Street Name
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1932
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2900 - Site Mitigation Program
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PR0507209
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SITE INFORMATION AND CORRESPONDENCE
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Last modified
8/1/2019 2:50:59 PM
Creation date
8/1/2019 1:22:06 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
SITE INFORMATION AND CORRESPONDENCE
RECORD_ID
PR0507209
PE
2950
FACILITY_ID
FA0007737
FACILITY_NAME
STOCKTON UNIFIED SCHOOL DISTRICT
STREET_NUMBER
1932
Direction
N
STREET_NAME
EL PINAL
STREET_TYPE
DR
City
STOCKTON
Zip
95205
APN
11708027
CURRENT_STATUS
01
SITE_LOCATION
1932 N EL PINAL DR
P_LOCATION
01
P_DISTRICT
002
QC Status
Approved
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PUBLIC I--!�ZALTH SERVR-,S 0P�� N <br /> SAN JOAQUIN COUNTY coy <br /> ENVIRONMENTAL HEALTH DIVISION & ` <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 FILE GOPY <br /> BUTCH SCHMIDT <br /> STOCKTON UNIFIED SCHOOL DISTRICT (SUSD) <br /> 1932 EL PINAL DRIVE JUN 2 51999 <br /> STOCKTON CA 95205 <br /> RE: SUSD CORPORATION YARD SITE CODE: 1097 <br /> 1932 EL PINAL DR <br /> STOCKTON CA 95206 <br /> San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS/EHD) has reviewed Summary Report of Additional Subsurface Investigation dated <br /> June 2, 1999 prepared by ATC Associates, Inc (ATC). Two soil borings (SB-1 and SB- <br /> 2) were advanced to 20 feet below surface grade (bsg) in the east end of the former <br /> remote diesel pipe line near the existing dispenser island at the above referenced site. <br /> SB-3, SB-4, SB-5 were advanced to 35 feet bsg in the vicinity of the former diesel <br /> underground storage tanks (UST). SB-6, SB-7, SB-8 were advanced to 35 feet bsg, and <br /> SB-9 to 40 feet bsg in the vicinity of the former gasoline UST. Analytical results of soil <br /> samples collected from SB-1 and SB-2 indicated low concentrations of Total Petroleum <br /> Hydrocarbon as diesel (TPH-d), and were non-detect above the detection limits of <br /> Benzene, Toluene, Ethyl-Benzene, and Xylenes (BTEX). Analytical results of the soil <br /> samples from SB-3 were 16,700 parts per million (ppm) of TPH-d taken at 15.5 feet <br /> bsg, 96.7 ppm of TPH-d at 205 feet bsg, and non-detect above the detection limit of 5 <br /> ppm of TPH-d at 35 feet bsg. Analytical results of soil samples collected from SB-6, <br /> SB-7, SB-8, and SB-9 were non-detect using current approved detection limits for Total <br /> Petroleum Hydrocarbon as gasoline (TPH-g), BTEX, and oxygenates. Ground water <br /> was not encountered. <br /> According to depth to groundwater measurements in the area recorded by San Joaquin <br /> County Flood Control, groundwater is currently at approximately 55 feet bsg, with <br /> historical low of 70 feet bsg in 1993, and historical high of 40 feet bsg in 1986. <br /> PHS/EHD agrees with ATC's conclusion that additional investigation at the east end <br /> of the remote pipeline and at the former gasoline UST is not warranted. However, <br /> PHS/EHD disagrees with ATC's conclusion that no additional investigation is <br /> required at the former diesel UST. The lateral extent of the diesel contamination <br /> plume has not been defined. PHS/EHD recommends additional soil samples be <br /> collected for analyses in the area east of SB-3 where the soil sample with analytical <br /> result of 16,700 ppm of TPH-d was collected at 15 feet bsg. Submit a workplan to <br /> A Dir is ion or San Joaquin Countv Heai$Care Soreices <br />
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