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� �c€.�:h:.d ,s;':��- =+f�.:s.'� .n.a.:..�r�,::,z'-"�'i�T.'�.' :�3�- '�s�:�' 9•:ea" E�P�.w.`r'::s:�'�,i' -'^;�'r .. "�.�-F�:.:..,�ct�'�..s�«�aa.sscrz�z;. �aa.r —ssax'rrz pm�;�stma aa <br /> f <br /> April 17, 19891PP"(Pile No. 0389005.00 R r _D <br /> Ms. Diane Hinson <br /> Environmental Health Division V1RU"IMEJgP � � <br /> P.O. Box 2009 PE�'��rSE'%CES <br /> Stockton, CA 95201 <br /> I <br /> E <br /> Subject: proposed Work Plan <br /> ? PDM Strocal Site <br /> 2324 Navy Drive <br /> ! Stoc ton California <br /> Dear Ms. Hinson: <br /> On March 9, 1989, a 10,000 gallon diesel tank was removed from <br /> the PBM Strocal site by Western Meter Service. Samples were <br /> retrieved from each end of the diesel tank and one water sample <br /> was drawn from the water in the tank pit by..California .Water Labs <br /> of Modesto, Calif . Samile" .. results indicated di agel::` l <br /> (at38unPA )nan n the western' sidewall of . the ..'.excavatinn <br /> d' in 'the water. in ""the tank pig (a 24Cl ) <br /> (see Appendix 2 <br /> . Groundwater :depth ;as measaured fntpe:;' <br /> :.excavation:.is ten feet. <br /> v� SCQPE qF Z^7ORK - <br /> SCS proposes to do the following: <br /> (1) Sample the existing well and re-excavate into the western <br /> end of the tank excavation a distance of five (5} feet and <br /> ten <br /> (lo) feat deep and collect two . drive samples at an <br /> elevation 1 foot under the bottom of the former tank bottom <br /> elevation (see Plate 1) . , <br /> i <br /> (2) Analyze samples utilizing EPA 8015 as diesel (total volatile <br /> hydrocarbons as diesel) and BTE$ by the SCS Laboratory in . <br /> Long Beach, California (State of California A <br /> a}' Should the new water and soil sample analyses Approved) .t � <br /> Ki levels of contamination below action levels, it may be <br /> assumed that the existing contamination in the tank <br /> Pit area <br /> � is extremely localized. <br /> �y 's <br /> Cinannah Konsas City Las Angeles Moenix San Fronosco Seallle Tampa.Washinglon D.C. <br />