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ENFo <br /> VIRONMENTAL„INC. +ate Ei\NViROI`N EI HEATH 3330 Cameron Park Drive, Ste 550 <br /> Y �E �� i �r.�1V��,�s Cameron,Park, California 95682 <br /> (530)676-6004-Fax:(530)676-6005 <br /> November 17, 2008 <br /> Project No. 2046-3250-01 <br /> Ms. Vicki McCartney <br /> a `` <br /> SantJoa uaq •n County-Environmental Health Department <br /> 304 East Weber ird Floor w>r � <br /> �. <br /> tockton, California 95202 <br /> Re: Addendum to Work Plan for Bench-Scale Test and Injection Well Installation <br /> Parkinson's I-5 ARCO Service Station <br /> - 3250 West Hammer Lane <br /> Stockton,California <br /> SJCEHD Site Code 2224; Global ID T0607700906 <br /> Ile Dear Ms. McCartney: <br /> . <br /> Stratus Environmental, Inc. (Stratus) has prepared this Addendum to Work Plan for Ozone <br /> Bench-Scale Test and Injection Well Installation, on behalf of Mr. Wesley Parkinson, for the <br /> property located at 3250 West Hammer Lane in the City of Stockton, San Joaquin County, <br /> California. This document addends Stratus' previously submitted Work Plan for Ozone Bench- <br /> Sle Test and Injection Well Installation, dated August 29, 2008, and has been prepared in <br /> 3_ e ponse to San Joaquin County Environmental Health Department (SJCEHD) letter dated <br /> October 10, 2008. _ <br /> The followm section__called Task 3: 03/HZO?Bench-Scale Testing). hasbeenmodified to <br /> provide clarification and additional_ch_emical analytes ass requested by SJCEHD m heir"Octob r <br /> 10, 2008 letter:—`The-modified-bench_scaie` to tir procedure out <br /> below is intend <br /> replace_thepr_eviously-submitted yTask 3 in the original work plan. In addition, this document <br /> contains updated,historical soil and gr bsgrooundwaterr analytical tables to replace Tables,22aand 33 <br /> includedintheroriginal..work plan. <br /> Task 3: 03/1-12O2 Bench-Scale Testing <br /> Stratus will retain the services of Prima Environmental Inc. (Prima), of El Dorado Hills, <br /> California, to perform the bench-scale testing. During the advancement of soil borings IW-1 and <br /> "IW-2 (see task 2 of the original work plan), Stratus will collect approximately 10 pounds (4.5 <br /> kilograms) of soil.and forward it to Prima. In addition, approximately 15 liters of groundwater <br /> will be bailed from monitoring wells MW-1 and MW-2 (combined) and also forwarded to Prima. <br /> Testing and monitoring protocol are provided below. <br /> c � <br /> KAParkinsons Hammer I-S Arco\Work Plans\Addendum to Work Plan for Ozone Bench Scale Test.doc <br /> I <br /> r : <br />