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r1��.f` , n7 H A T <br /> Advanced ��Jrl��� µ, � � <br /> GeoEnvironmental, 111OCT 214 aM 9: -o= <br /> c?f Northern California <br /> 22 October 1996 <br /> AGE-NC Project No. 95-0106 <br /> Mr. Ron Rowe <br /> San Joaquin County PHS-EHD <br /> P. O. Box 388 <br /> Stockton, CA 95201 <br /> Subject: Work Plan Addendum <br /> WELDON CHURCH PROPERTY (Church Refrigeration) <br /> 104 West Beverly Place, Tracy, California <br /> Dear Mr. Rowe: <br /> In accordance with the request of Mr. Weldon Church,Advanced GeoEnvironemtnal, Inc. (AGE) <br /> has prepared the enclosed Work Plan Addendum for 104 West Beverly Place in Tracy, California <br /> (the site). The work plan includes the collection of soil and grab ground water samples from the <br /> property at 101 West Beverly Place (APN 4 233-15-26). The location of the site is illustrated on <br /> Figure 1 -Location Map. An assessors map is illustrated on Figure 2 -Assessors Map. <br /> LOCATION <br /> The site is located in a residential area of central Tracy, California, in San Joaquin County. One <br /> small capacity under ground storage tank (UST) was removed from the site in early 1988. The <br /> ground water was encountered in the tank excavation during removal,contained dissolved petroleum <br /> hydrocarbons. The former UST area was over excavated in August 1995 to remove remaining <br /> impacted soil. Hydrocarbon-impacted soil was excavated to a depth of 8 feet below surface grade <br /> (bsg). <br /> SITE ASSESSMENT <br /> Six soil probe borings were advanced at the site on 20 December 1996. Both soil and ground water <br /> samples collected contained petroleum hydrocarbons. On 01 and 02 July 1996, soil borings MW-1 <br /> through MW-4 were drilled and completed as ground water monitoring wells. Total petroleum <br /> hydrocarbons quantified gasoline and benzene,toluene, ethyl benzene and xylenes (BTE&X) were <br /> detected in he highest concentrations in wells MW-1 and MW-4, located down-gradient(north) of <br /> the former UST excavation. <br /> 1803 West March Lane,Suite A,Stockton,California 95207 <br /> Telephone(209)956-0264 FAX(209)956-0700 <br />