////7APEX
<br /> 7844 Madison Avenue,Spite Iii • Fair Oaks,to 95628
<br /> E N V I R O T E C H INC
<br /> • 1.800.242.5249 • Ph.916-535.0200 • Fax 9 f 6.535.0207
<br /> March 9, 2007
<br /> Ms. Dot Lotstibm •
<br /> San Joaquin County Environmental Health Division
<br /> P. O. Box 2009
<br /> Stockton, California 95201
<br /> Subject: Results Report for Limited Subsur'aeenvestiotri
<br /> First Quarter 2001 Groundwater Momtorin&,JKeort.
<br /> Moore Petroleum Bulk Plant, 5491 F'Street, Banta, California
<br /> Apex Project #ERA02.004
<br /> Dear Ms. Lottrorti
<br /> 0.1
<br /> Apex Envirote ,`Inc. (Apex), has been autkiQrized .y MCaore vlpore) to prvv#de-this
<br /> report documenting the results from the well installation perfprm _.9R,,�nua The
<br /> subsurface investigation consisted of the completion of one_,vapgr_extiraoa w.14,{.=VF VEW-2
<br /> and one remediation well (RW) RW-2. In addition, this report 4W$ inoludes.;r sults from the
<br /> quarterly grodndwat6r monitoring conducted on January .;5 ,7$A 1.: .The monitoring.included
<br /> collection of depth-to-water measurements and groundy+rater.�sara ,All. ting`.nidiiitoring
<br /> wells MW-1 MW-2,MW-3, MW-4A, MW-5 through 12, VEV-2, and R. at the-subject
<br /> site(Figures 1, 2, & 3). In addition, the domestic well at 5451 F Street was sampled.
<br /> BACKGROUND
<br /> "AOt began.Wotk on"`this Oroject with `thegroundwater momtoq"u, conduejecl on January 14,
<br /> '1994. Prior to Apex, work conducted at.4 site included , subsurface\investigations. and
<br /> groundwater, inonitoring by Earth Treatment !p.tems, Inc., of Manteoaj�"�Califrunia; Delta
<br /> Envirorirrlental "Consultants, Inc., of Rapchozordo California; Tatipns Groundwater
<br /> Associates of-�acramento California;' and Ae 5. E:nyi gnmental, Inc: (Aegis), of Roseville,
<br /> .
<br /> ��.lifornia. Site=details may be found`in the Quarterly Groundwater Monitoring Report, dated
<br /> April 18, 1991, submitted to Moore Petroleum by Aegis.
<br /> On May 5, 1995, a soil vapor extraction system consisting ,of an R.S.I. SAVE system was
<br /> installed at the subject site. The vapor extraction system,w-p metalled per San-Joaquijqz,Valleyi
<br /> Unified Air Pollution Control District (SJVUAPCD) Permit conditions:, T.bo vapgF:extrac#vn
<br /> system consists.of an internal combustion engine with catalytic converters mounted on-,tl .,
<br />
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