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ARCHIVED REPORTS_XR0008531
Environmental Health - Public
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3500 - Local Oversight Program
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PR0545857
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ARCHIVED REPORTS_XR0008531
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Last modified
7/15/2020 8:25:11 PM
Creation date
7/15/2020 2:52:10 PM
Metadata
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Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0008531
RECORD_ID
PR0545857
PE
3528
FACILITY_ID
FA0005147
FACILITY_NAME
E-Z FOOD
STREET_NUMBER
2537
STREET_NAME
WATERLOO
STREET_TYPE
RD
City
STOCKTON
Zip
95205
APN
11914035
CURRENT_STATUS
02
SITE_LOCATION
2537 WATERLOO RD
P_LOCATION
99
P_DISTRICT
001
QC Status
Approved
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EHD - Public
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I <br />' the possible impact of hydrocarbons on groundwater beneath the <br /> site, and 3) to determine the hydraulic gradient of first <br />' groundwater. <br /> TPE conducted the following tasks while performing the above <br /> scope of work: <br /> Conducted a subsurface utility survey to minimize the <br /> potential of encountering underground utilities and to <br />' assist in selecting locations for the 5 monitoring well <br /> borings. <br /> Drilled 5 soil borings for the construction of 5 <br /> groundwater monitoring wells . Collected soil samples <br /> at approximately 5--foot or less depth intervals, and/or <br /> changes in lithology for determining the geologic <br />' profile and for field screening soil samples with a <br /> GasTech combustible gas indicator (CGI) for hydrocarbon <br /> contamination. <br />' Collected a total of 81 split spoon soil samples from <br /> the 5 monitoring well borings and submitted 13 samples <br /> (at least two from each boring) for petroleum <br />' hydrocarbon chemical analyses. Additionally, the <br /> sample showing the highest CGI reading was analyzed for <br /> total lead. <br /> Converted the above referenced soil borings into <br /> monitoring wells to evaluate groundwater quality with <br /> respect to total petroleum hydrocarbons as gasoline <br />' (TPHG) and benzene, toluene, ethylbenzene, and xylenes <br /> (BTEX) . <br /> Developed monitoring wells MW-1 through MW-5 - <br /> Surveyed the elevations of the above referenced wells <br />' top-of-casing (TOC) to the nearest . 01 foot above mean <br /> sea level (MSL) and surveyed their horizontal positions <br /> relative to the city of Stockton reference benchmark # <br /> 63 . <br />' Measured the depth to stabilized groundwater in the 5 <br /> wells. <br />' Purged and sampled monitoring wells MW-1 through MW-5 . <br />' Analyzed the groundwater samples for TPHG and BTEX. <br /> Calculated direction and gradient of groundwater flow <br /> beneath the site . <br /> Prepared this PSAR documenting work performed <br />' 2 <br />
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