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ARCHIVED REPORTS XR0000245
EnvironmentalHealth
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EHD Program Facility Records by Street Name
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B
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1604
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3500 - Local Oversight Program
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PR0543431
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ARCHIVED REPORTS XR0000245
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Entry Properties
Last modified
2/5/2019 2:25:47 PM
Creation date
2/5/2019 1:08:41 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0000245
RECORD_ID
PR0543431
PE
3528
FACILITY_ID
FA0003683
FACILITY_NAME
Caltrans-Stockton
STREET_NUMBER
1604
Direction
S
STREET_NAME
B
STREET_TYPE
St
City
Stockton
Zip
95206
APN
171-090-08
CURRENT_STATUS
02
SITE_LOCATION
1604 S B St
P_LOCATION
01
P_DISTRICT
001
QC Status
Approved
Scanner
WNg
Tags
EHD - Public
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1 <br />' 7 Groundwater samples were delivered to the State-certified hazardous waste <br /> laboratory within approximately 48-hours of collection <br />' 8 Purged water was contained in a DOT approved 55-gallon drums The drums <br /> were labeled with the contents, date, well number, client name, and project <br /> number <br />' The groundwater monitoring purge logs are presented in Appendix A <br />' 3 3 LABORATORY ANALYSIS AND RESULTS <br />' Fourteen groundwater samples were submitted for analyses to GEOTEST of Long <br /> Beach, California, a State of California-certified hazardous waste analytical laboratory <br />' The samples were analyzed for the following <br /> • EPA 8015 modified -Total petroleum hydrocarbons as Gasoline (TPH-G), <br />' • EPA 8015 modified - Total Petroleum Hydrocarbons as Diesel (TPH-D), <br /> Q EPA 8020 - Aromatic volatile compounds benzene, toluene, ethylbenzene, and total <br /> xylenes (BTEX), and methyl tertiary butyl ether (MTBE), <br /> Additionally, the groundwater sample with the highest MTBE concentration during the <br /> previous quarter was analyzed by EPA Method 8260 for volatile organics to confirm the <br />' EPA Method 8020 MTBE results The MTBE detected by EPA Method 8020 was within <br /> one order of magnitude of the MTBE concentrations detected by EPA Method 8260 <br />' A summary of the laboratory results for groundwater samples is presented in Table 1 A <br /> copy of the laboratory reports and chain-of-custody records are presented in Appendix B <br /> The following are the results of the groundwater sampling <br />' o All - <br /> of the monitoring welts sampled were not detected for TPH D <br />' o TPH-G concentrations were detected in four of the fourteen groundwater samples <br /> (MW-1, MW-6, VW-1, and VW-2) Detectable concentrations ranged from 720 to <br />' 11,000 micrograms per liter (ug/1) The concentrations have typically decreased since <br /> the previous quarters sampling event <br /> F Tr3nsfer\Repan\CALTRANSSCaHyO974710171gm397 fin 3 <br />
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