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ARCHIVED REPORTS XR0010976
EnvironmentalHealth
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3500 - Local Oversight Program
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PR0544728
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ARCHIVED REPORTS XR0010976
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Entry Properties
Last modified
8/1/2019 5:22:06 PM
Creation date
8/1/2019 4:45:04 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0010976
RECORD_ID
PR0544728
PE
3528
FACILITY_ID
FA0003802
FACILITY_NAME
ACCURATE DELIVERY SYSTEMS
STREET_NUMBER
355
STREET_NAME
ENTERPRISE
STREET_TYPE
PL
City
TRACY
Zip
95304
APN
21221008
CURRENT_STATUS
02
SITE_LOCATION
355 ENTERPRISE PL
P_LOCATION
03
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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. ..... <br /> k: <br /> M <br /> f 09 January 2006 <br /> ._ AGE-NC Project No. 97-0360 r <br /> i <br /> Page 2 of 4 <br /> : 1 <br /> without preservative. After collection, the samples were properly labeled, placed in a chilled <br /> . container,and transported under chain of custody to Cal Tech Environmental Laboratories(CTEL), <br /> a California Department of Health Services(DHS)-certified analytical laboratory.The samples were <br /> a analyzed for: <br /> • Total petroleum.hydrocarbons quantified as gasoline (TPH-g) and diesel (TPH-d) in <br /> accordance with EPA Method 8015M; and <br /> • Benzene,toluene,ethylbenzene,and total xylenes(BTEX)and fuel additives methyl tertiary- <br /> butyl ether (MTBE), di-isopropyl ether(DIPE), ethyl tertiary-butyl ether (ETBE), tertiary- <br /> amyl methyl ether (TAME), tertiary-butyl alcohol (TBA), 1,2-dibromoethane (EDB), and <br /> 1,2-dichloroethane (1,2-DCA) in accordance with EPA Method 8260B. ' <br /> 3.0. FINDINGS <br /> Ground water elevation, flow direction, and gradient were determined from field data collected on <br /> 10 February 2005.The hydrocarbon-impact to ground water was quantified from laboratory analysis <br /> { F of the ground water samples. <br /> r-, <br /> 3.1. GROUND WATER GRADIENT AND FLOW DIRECTION <br /> At the time of the February 2005 sampling event, depths to ground water in wells MW-1 through <br /> MW-5 and EW-1 ranged from 10.16 feet (EW-1) to 11.80 feet (MW-2) below the well heads. <br /> Average ground water elevation at the site (excluding MW-2 and EW-1) was approximately 0.97 <br /> feet above mean sea level (MSL; Table 1). <br /> The ground water flow direction was inferred using ground water elevation data from the monitoring <br /> wells on-site. Well MW-2 was not used to determine ground water flow direction or gradient <br /> i because it is screened at a deeper interval than the other wells.Well EW-1 was not used to determine <br /> ground water flow direction or gradient because it has a larger casing diameter than the other wells. <br /> Ground water flow was inferred to be flowing toward the east at a gradient of approximately 0.004 <br /> -. foot/foot (ft/ft). Figure 3 illustrates the contoured ground water elevations as measured on <br /> 10 February 2005. <br /> 3.2. ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> i <br /> No analytes were detected at or above laboratory reporting limits in any of the ground water samples ` <br /> r <br /> Advanced GeoEnvironmental,Inc. <br /> i <br /> i - <br />
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