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WATERWORK <br /> GE^CHEMICAL •GEOTE(:HNK,AL•EN"PONMENTAL <br /> August 3.1, 19g0 <br /> Mr. Harlan Knoll <br /> San Joaquin County <br /> Public Health Services <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> Re: Soil aeration-Knowles property, x140 West Lane, <br /> Stockton, CA Hammer <br /> Dear Harlan: <br /> On August 21 , 1990 <br /> collected 2 composite and John Giorgi of <br /> Knowles posita samples from our offis:e <br /> concentrationsty' The laborator the Of <br /> soil <br /> of BTEX and TPHG results reported at the <br /> results for Z have included non^detectable <br /> Your reCo.rds_ <br /> a COPY of the <br /> We are trying <br /> 3 to aerate as much <br /> aerated We are requestin approval <br /> as passible before <br /> soil �3fter acceptablegaApro✓al to backfill winter <br /> This will help in reducing tory the pit with the <br /> of soil and zeduCin the Lima Y results are received, <br /> acceptable for g the treatment to begi'u aerating the batch <br /> for even backfilling a comp cost. To ensure <br /> be anal z S0 cubic yards of sail osite sample will be <br /> soil is <br /> 1'zed for BTEX and Tp to be tested. collected <br /> The HG' The sample will <br /> soil. will <br /> laboratorybe deemed <br /> result, are acceptable for <br /> there is ten below 1 ppm TPN backfil"T1 <br /> In clean-up feet left to backfill w G and 0.005 � when the <br /> p levels to <10 APm TPHG e are requestfpm BTEX. When <br /> We would and <1 PPm BTEX. g a decrease <br /> soil like to follow <br /> that is aerated this same <br /> results as and back.f.illedrocedure for ever <br /> we will obtain ©verbaln as we receive them. We will pass Yo batch of <br /> approval to zf the Soil verbal <br /> backfill the hatch�s acceptable <br /> 17 10 MAIN ST,�c"ET • ESC�4 <br /> 9�� d rnFSNO,CA (209' <br /> 222-,34954'CA°5320 • ;209; 83& <br /> 1 RENO, t,IV(7()2) 78&6830 7 <br /> TE DIjd <br />