Laserfiche WebLink
: . <br /> LIMITED SOIL'AND <br /> GROUNDWATER INVESTIGATION b <br /> M <br /> Gateway Project, Portion of Block 37 <br /> City of Stockton <br /> April 18,2000. <br /> 1. INTRODUCTION <br /> LThis report was prepared by. Condor'.,Earth' Technologies, Inc_ (Condor) for .a -limited soil and -- . <br /> groundwater investigation utilizing Geoprobe direct push technology at the Gateway'iPr'oject site, located <br /> - at 325 South El-Dorado Street in Stockt6n, California (Figures 1 and 2;Appendix A). Five Geoprobe <br /> borings were advanced at,the site on March`30.and.3 T; 2000„to.coll ' C -il and groundwater:samples. <br /> The purpose of the, subsurface investigation was to evaluate the potential for petroleum hydrocarbon <br /> contamination in soil and/or groundwater related to two-underground storage tanks (USTs) formerly <br /> located at the site. This report was prepared at the request-of Mr.-Ron Palmquist of the City of Stockton, <br /> Ms. Suzanne Sullivan of Suzanne Sullivan Real Property Services; and Ms. Deedee Antypas of Siegfried <br /> Engineering, Inc. (Siegfried). <br /> All of the work conducted by Condor was under the supervision of a.California Registered Geologist. <br /> w. This report-includes E rojectback background informat' - <br /> F p gr ion, a descnptlon of the field and laboratory procedures <br /> used to conduct the• .work;°a description.of the field and laboratory results,,a summary-of findings, <br /> conclusions, and recommendations. <br /> 2. PROJECT BACKGROUND - <br />'i = <br /> The site formerly contained two USTs (Tank 1=and Tank 2) associated with past uses',of the site. During <br /> oN <br /> _ UST removal activities conducted on September 20 and October 8, 1999;The Twining Laboratories, Inc. <br /> (Twining) collected a soil sample from beneath each endof the former Tank l:and Tank 2 (four samples <br /> total).`Twinin 's reF`ort dated October 18.1 1999 indicated that residual asoline ran <br /> ge and dieselran9 -- <br /> petroleum hydrocarbons were present in�the ,soil sample collected from beneath the:east end of the <br /> former'Tank 2. <br /> In a letter to the City of Stockton dated January 11, 2000 ("Notice of Responsibility"), Ms.'Lori Duncan' <br /> of the San:Joaquin?County Public Health-Services, Environmental.Health .Division (SJCPHS H <br /> s CONDOR <br /> '7 <br />