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Shaw Environmental, Inc <br /> 1326 <br /> Sacramento oCA 95834-1912 <br /> 916923300 <br /> E C 0 2003 Fax 916 565 4356 <br /> �" EN1,l,,,u,�'IMENT HEALTH Fax (Billers Only) 916 928 0415 <br /> haw Shaw Environmental, Inc <br /> t4� <br />' December 8, 2003 <br /> Project No 880-040 IA <br /> Ms Vicki McCartney <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue <br /> Stockton, California 95202 <br /> Re Cone Penetration Test Assessment Report <br /> Parkinson's Hammer I-5 Arco <br /> 3250 West Hammer Lane <br /> Stockton, California <br /> Dear Ms McCartney <br /> On behalf of Parkinson's Hammer I-5 Arco, Shaw Environmental, Inc (Shaw) presents <br /> this additional assessment report discussing the results of four cone penetration test <br /> (CPT) borings The objective of this investigation was to define the lateral and vertical <br />' extent of dissolved petroleum hydrocarbons and methyl-tert butyl ether (MtBE) in <br /> groundwater in the vicinity of the site <br /> The scope of work performed included obtaining the required boring and encroachment <br /> permits, advancing four CPT and hydropunch borings, collecting and analyzing discrete <br />' groundwater samples, and preparing a report presenting the findings of the investigation <br /> This work was requested by the San Joaquin County Environmental Health Department <br /> 1 (SJCEHD) in a letter dated April 2, 2003 The work performed was originally proposed <br /> in Shaw's Work Plan For Additional Groundwater Assessment, dated May 23, 2003, and <br /> was approved by the SJCEHD in a letter dated July 8, 2003 <br /> i <br /> i <br /> 1 N lsacpP120031PrJ18818800401A 3aa doc A Shaw Group Company <br />