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SAN JOAQUIN COUW <br /> ENVIRONMENTAL HEALTH ONUM <br /> 304 E. WsW Avg.Third FIM <br /> P 0. Box 388►StodctOn,CA 95201-0388 <br /> Phone: (209)468-3420 <br /> ❑Wroved <br /> Vkwroved with changers: See Remarks <br /> ❑Disapproved: See Remarks <br /> Remarks y� _- <br /> PACIFIC <br /> � ENVIRONMENTAL <br /> GROUP INC. <br /> Date LSC•77 <br /> Approval of these plans extends only to that <br /> which is shown and dee,.cr W hereon but January 10, 1996 <br /> does not authorize or approve any omission Project 920-039.IA <br /> or deviation of requirements of State laws or Mr.Brett Hunter <br /> Local Ordinances. Chevron U.S.A.Products Company <br /> 6001 Bollinger Canyon Road,Building L . <br /> San Ramon,CA 94583 <br /> Re: Former Chevron U.S.A.Service Station 9-6258 <br /> 2409 E.Main Street at F Street <br /> Stockton,California <br /> Dear Mr.Hunter. <br /> This letter,prepared by Pack Environmental Group,Inc.(PACIFIC)for Chevron <br /> � �P V U.S.A.Products Company(Chevron),presents a work plan to confirm the presence of <br /> petroleum hydrocarbons at the site,and evaluate the lateral and vertical extent of <br /> petroleum hydrocarbons(if present)in soil and groundwater beneath the site. This work <br /> �- �� A� �t�Zi� plan includes a brief discussion of site background,previous investigations,proposed <br /> VYI l r <br /> scope of work,and a schedule. Field and laboratory procedures are presented as <br /> i::-� It' Attachment A. <br /> ()`c'— 5 r)5���f� , V.� SITE BACKGROUND <br /> LA The site is located at the northeast corner of East Main Street and F Street in Stockton, <br /> California,situated in the northeastem portion of the San Joaquin Valley(Figure 1,Site <br /> J NC.'AM DV6) C."-N STS ( wN' -Location Map). It is our understanding that the site is owned by the Hinaman Trust. <br /> L_�`/ �/�y 1 ,I� N ij��r The site is currently vacant, Formerly,Chevron Service Station 9-6258 operated at the <br /> Ei GA VATWO/6 t`�tl D kA site. The Former facilities at the site included four underground storage tanks(USTs), <br /> PJ V t L_LS I r- associated underground piping and pump island,and a station building(Figure 2,Site <br /> Map). Four USTs were reportedly installed in 1955 and the gasoline USTs removed in <br /> 1976. No information was available regarding the removal of other underground <br /> facilities at the site. <br /> The former USTs consisted of three gasoline fuel(5,000-gallon supreme,2,000-gallon <br /> mid-grade,and 5,000-gallon regular)tanks of single wall steel construction located on <br /> the western portion of the site and one 550-gallon used oil tank of single wall steel <br /> construction located northeast of the former station building. <br /> 2025 Gateway Place,Suite 440,San lose,Caliiornia 951 10 (408)441-7500 FAX(4081441-759 <br /> `V1`�r�,t•�J 11315 Sunrise Gold Circle,Suite M,Rancho Cordova,Calimmia 95742 (916)858-2350 FAX(916)858-23595 <br /> wStk6 R- <br /> 55�a u m rr 5& 6) <br /> �(o -0 �`� t�cS�vh (►�/ t`�JV'�rv`� ���z1/�1h TD 7,d' ua\)1w6 . t i�' M0� <br /> obi PrGiwft <br />