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J. H. KLEINFELDER & ASSOCIATES <br /> August 13 , 1985 <br /> Page 2 <br /> south of the 'facility. In addition; a water sample from-;.the <br /> on-site supply well was also sampled. Water samples frgm these <br /> two wells were submitted to Canonie .Laboratory for BTX '}and <br /> gasoline analyses . <br /> � f <br /> The analytical results showed non-detectable levels of <br /> gasoline or BTX at a detection limit of 20 ug/1 (ppb) . Also, no <br /> odors were detected in either water sample . Copies of ,"thesei <br /> results were transmitted directly to you by Canonie Laboratory on, <br /> April 9 and 25 , 1985 . <br /> i <br /> SUMMARY <br /> I <br /> s <br /> The investigative results indicate that shallow soil <br /> excavations removed most of the gasoline contaminated soils and <br /> that any remaining residues should not pose environmental'� or `' <br /> public health risks . In addition, it is our understanding that ; <br /> the local public well has been shut down . due to DBCP <br /> contamination, alleviating further concerns. <br /> J. H. Kleinfelder & Associates respectfully requests your <br /> concurrence with the investigative conclusions to closes out this <br /> project. The temporary well located at Diamond Lumber will be <br /> properly abandoned as we discussed upon Diamond Lumber 's receipt E <br /> of your written concurrence. ! <br /> E <br /> If there are any further questions please feel free to call me <br /> a or Ron Heinzen in Stockton at 249-948--1345 . <br /> i <br /> Sincerely, <br /> J.. H. KLEINFELDER & ASSOCIATES I <br /> Donald K. Rothenbaum . <br /> Technical Director <br /> Hazardous . Waste Group k <br /> DKR:crt <br /> cc : Mark Morton, Diamond Lumber <br /> i Ron Heinzen <br /> Gordon Boggs , CVRWQCB i <br /> E <br /> P <br /> i <br />