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1260 Graphics Drive <br /> Modesto, California <br /> 95351 <br /> 209.579.2221 <br /> Fax 209.579.2225 <br /> A S S O C I T E S I N C <br /> 304 E. Weber Ave. Third Floor <br /> P. O. Box 388, Stockt A 95201-0388 <br /> Approved <br /> A ' 8, 1998 Denied ❑ ,,, <br /> 1 565 Conditions /� <br /> C'94/' o 4K4- So e ~`' <br /> Date—c,/- O-9Y _by ff 11 rr <br /> L" <br /> :7 <br /> i s <br /> Ms. of Oz y ( -ce ,S " Z,,Ze) ,{ ,� .c d��4�e , ,'�� <br /> San Joa County Public Health <br /> Services, En ' ental Health Division <br /> 304 E. Weber Stree , Tkrd Floor <br /> Stockton, California 95202 <br /> Subject.- Workplan for Subsurface Investigation at 6732 East Highway 88, Stockton, <br /> California <br /> Dear Ms. Oz: <br /> ATC Associates Inc. has prepared this workplan, on behalf of Ms. Lolly Bozzano for the <br /> performance of a subsurface investigation at the above referenced site. The purpose of the <br /> subsurface investigation is to determine the vertical extent of petroleum hydrocarbon <br /> contamination, if any, in the vicinity of the former underground storage tanks (USTs). This work <br /> being done at the direction of San Joaquin County Public Health Services Environmental Health <br /> Division (PHS/EHD). The proposed scope of work includes obtaining permits, advancing one <br /> soil boring, soil and groundwater sampling, laboratory analysis of selected soil and groundwater <br /> samples, and preparing a summary report. The scope of work is described in detail in the <br /> following paragraphs. <br /> SITE LOCATION <br /> The site is located on the northeast side of Fairchild Lane and the southeast side of Highway 88 in <br /> Stockton, California, as shown on Figure 1. The location is a commercial and agricultural area <br /> and the site is currently occupied by Thr( - <br /> Post-it"Fax Note 7671 Date Y-.20 1k pages Z <br /> BACKGROUND From <br /> To 70'� Lcc j" nay+ a'Jl Oz- 2EO-5- <br /> Co./Dept. TL Co. <br /> ST� �cw rv, "I <br /> Prior to July 1984, one 550-gallon waste <br /> Phone# Phone# <br /> filled with sand, and capped with concrei <br /> UST, identified as Tank #3, was remov I Fax# Fax <br /> removal of Tank #3 contained elevated cuut C1111 a11UI15 ul. PU I U1Cu111 11yul Ul.a1 UUIIJ. L1 lvlay 1707, <br /> one 1,000-gallon unleaded UST, identified as Tank #1 was filled with five cubic yards of concrete. <br /> Currently two USTs, identified as Tanks #2 and #5, remain in place and are in operation. <br /> w-\14565\reporU\vA p.doc 1 <br />