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JarF-07-99 05: 52P STRONG INC. 7145571152 P.02 <br /> 1W UNITED PACIFIC �� <br /> ENVIRONMENTAL <br /> w <br /> MANAGI=MENT&CONSULTING;SERVICES JAN 0 8 3999 <br /> 2699 E. 2ST14 ST_. SUITE#405 ENVIRONMENTAL HEALTH <br /> SIGNAL HILL.CA 90806 PERMIT/SERVICES <br /> 5cz (MM 981-3346 <br /> [31Ed1427-5806 Fax <br /> October 13, 1997 " PA&57:1 <br /> Ms. Margaret Lagorie <br /> Ren-tediation Unit#4 <br /> San Joaquin C oJunty, Public Health Services <br /> FO Box 388 <br /> Stockton, CA 95201-0388 <br /> AND V(A FAX (209)408-3433 <br /> i <br /> RE: Certified Grocers of Stockton - UST removal project. <br /> Dear Ms. Lagorio: <br /> Thank you for the return call Friday morning regarding the above site- We appreciate your <br /> efforts in working with us to complete this project. <br /> Per our conversation, we would like to gather all the current data current sail sampling and � <br /> provide you with this information in archer to discuss the project attd choose the best <br /> method to move forward. We want to tit) whatever we cat,to comply with your <br /> requirements to protect our ground water while at the same time evaluate the necessity to <br /> rennediate areas which may Iiot hose a threat to the environment. <br /> The following'stinunarizes the site information to date: <br /> 1 . THE UST REMOVAL SAMPLES. . <br /> On September 25, one double wzl! .0,(M gallon UST was removed along with the <br /> 5-gU11011 overspill contaim-new. Upon removal of the tank; Advanced Grotnvironinental <br /> obtained three soil samples from approximately 14 feet below ground surface. The <br /> McGampbell Analytical Laboratory report shows each of these sarnples (T 1.T2. T3)to be <br /> Nett-Detecf for each analysis performed (-TPHd and 13TEX). <br /> 2. TANK REMOVAL ST()UC'KPILED S011— <br /> During Lhe rcn oval of the tank, approximately 130 tons c)f soil watt stockpiled adjacent to <br /> the excavatio((and separated into twa Separate piles. Four stockpile samples were <br /> obtained from'each stockpile (SP 1-8). Norte of these samples showed any Benzene and <br /> only one sample showed actionable level%of TPHd. We approximate this,sample to <br /> represent 14 15 tons of soil. <br /> Due to the apparent low levels of contamination. this soil wits backfilled and compacted <br /> into the former tank excavation. <br />