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KAPREALIAN ENGINEERING <br /> I N C 0 R P 0 R A T E D <br /> KEI-J92-0205 .R1 <br /> October 6, 1992 <br /> Unocal Corporation <br /> 2000 Crow Canyon Place, Suite 400 RECOVED P.O. Box 5155 <br /> San Ramon, California 94583 DEC A 3 9092 <br /> Attention: Mr. Keith Bullock 9NVIRONKNTAL HEALTH <br /> RE: Soil Sampling Report PERMIT/SERVICES <br /> Former Unocal Bulk Plant #0950 <br /> 2835 Navy Drive <br /> Stockton, California <br /> Dear Mr. Bullock: <br /> This report summarizes the soil sampling performed by Kaprealian <br /> Engineering, Inc. (KEI) at the referenced site. All work was <br /> performed in compliance with the guidelines established by the <br /> Regional Water Quality Control Board (RWQCB) and the San Joaquin <br /> County Public Health Services Department (SJCPHS) . <br /> The scope of the work performed by KEI consisted of the following: <br /> Coordination with regulatory agencies <br /> Collection of soil samples from the sidewalls of the fuel <br /> tank pit excavation <br /> Collection of one water sample from the fuel storage tank <br /> pit <br /> Delivery of samples, including proper Chain of Custody <br /> documentation, to a certified analytical laboratory <br /> Technical review and preparation of this report <br /> SITE DESCRIPTION AND BACKGROUND <br /> The subject site was formerly used as a bulk petroleum product <br /> marketing station. A Location Map and a Site Plan are attached to <br /> this report. It is KEI ' s understanding that in 1988 Kleinfelder <br /> installed seven monitoring wells and two exploratory borings during <br /> a soil and ground water assessment at the referenced site. <br /> Documentation of the sample collection techniques and analytical <br /> results are presented in Kleinfelder ' s problem assessment report <br /> (Kleinfelder Job N 24-2059-01) dated September 1, 1988 . The <br /> locations of the monitoring wells and borings installed by <br /> Kleinfelder are shown on the attached Figure 2 . <br /> 2401 Stanwell Drive Suite 400 <br /> Concord California 94520 <br /> Tel 510 602 5100 Fax 510 687 0602 <br />