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0 Tbuchstone <br /> = Developments <br /> Environmental Management <br /> June 20 , 1994 <br /> Chevron U . S . A . <br /> 2410 Camino Ramon <br /> San Ramon , California 94583 <br /> Attention : Brett Hunter <br /> Reference : TANK AND PRODUCT LINE REMOVAL REPORT <br /> Former Chevron Service Station No . 9 - 8632 <br /> 575 W . Grant Line Road <br /> Tracy , California <br /> Gentlemen : <br /> This report summarizes the field and sampling activities <br /> performed at the above referenced site ( Figure 1 ) during the <br /> recent removal of the underground storage tanks ( USTs ) and <br /> associated piping . UST removal and excavation activities <br /> were performed by Golden West Builders of Livermore , <br /> California . Touchstone Developments was present on - site to <br /> observe the UST removal , and obtain soil samples from the <br /> tank excavations , piping trenches , and associated soil <br /> stockpiles . The soil sampling activities described in this <br /> report were performed May 20 , 1994 to comply with the <br /> current Tri - Regional Water Quality Control Board ( WQCB ) and <br /> San Joaquin County Public Health Services ' Guidelines . <br /> SITE DESCRIPTION <br /> The site at 575 W . Grant Line Road is located on the <br /> northeast corner of W . Grant Line and Tracy Boulevard Avenue <br /> was occupied by a Chevron service station . The former UST <br /> complex and pump islands were located southeast of the <br /> service station building ( Figure 1 ) and consisted of three <br /> 10 , 000 gallon single wall fiberglass tanks containing <br /> supreme unleaded gasoline , regular unleaded gasoline , and <br /> unleaded plus gasoline . One 1000 gallon single wall <br /> fiberglass waste oil tank was located north of the station <br /> building . One oil /water separator ( sump ) and two semi - <br /> hydraulic hoists were located in the service bay of the <br /> station . <br /> P. O. Box 2554 9 Santa Rosa, CA 95405 • Office: (707) 538-8818 • Fax: (707) 538-8812 • Mobile/Fax: (707) 484-5112 <br />