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U4/IU/97 _ 06:27 x`510 842 8370 CHEVRON U.S.A. Z006/006 <br /> • � 7 � 1'1 V IY O i Y M y � 1 C 4 y 1 Y T C fl 4 J � . V a <br /> r � V <br /> OIL EQUIPMENT SERVICE STA71CL1COURIft,J"417 <br /> CLASAMCAT1ON,A-NA?,C4180 <br /> Division of KeAhA. TaUk ler. -_ arwTsa eva 0MMtAL AWWM0a 14.$LISI <br /> TibpRanr. 0"7WINS <br /> F= 76"M <br /> ftaoftsbasw <br /> i 760N?Y4{AeIYhJ/ <br /> : 6ANANDWAS.CAMOANIASSW , <br /> July 3, 1995 <br /> Chevron U.B.A. Products company <br /> P.O. Box 5004 <br /> San Ramon, CA 94563-0804 <br /> A-TTN: Brett Hunter <br /> APR 10 1997 <br /> suaJ8CT: Sao 1918 - Stockton, CA <br /> 1988 Demolition ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> Dear Brett, <br /> This is in response to a telephone request we received <br /> from Craig Vickery on June 30, 1995, concerning the backfilling <br /> and compaction we did at Subject Site. <br /> Considerable over excavation was done in the tank hole <br /> area at this site in an attempt to remove all of the contaminant <br /> compacted material. it was eventually determined that the <br /> contaminants had migrated beyond the limits of safe and feasible <br /> fiver excavation. At this point we were advised to back fill <br /> the hole with the Soils that had been removed. <br /> The soil was placed in the hole in approximate 12" Lifts <br /> and compacted with a vibratory, ride on, cheeps foot compactor. <br /> The imported material used to replace the volume the tanks <br /> had occupied was pea gravel up to approximately 24" from surface, <br /> with the top layer being compacted 314" AS road base gravel. <br /> Please advise if you need any further information relative <br /> to this project. <br /> Sincerely, <br /> With A. MlId, res ent <br /> cc: J87-530 file <br />