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Brown and Caldwo • Consultants 723 S Street Sacramento �` ■ p� California 444-8 37 RECEIVED s E^ 1V �,il■ (916)444-0123 R ■V FAX(916)444-8437 JUN 1 4 1990 June 12, 1990 ENVIRONMENTAL HEALTH PERMIT/SERVICES Mr. Jeff Werner Geweke Land Development and Marketing 1045 South Cherokee Lane Lodi, California 95240 017-4950-01/1 Subject: Progress Report for the Geweke Site Located at 16 South Cherokee Lane, Lodi Dear Mr. Werner: This letter reports the progress of the investigation at the Geweke Land Development and Marketing (Geweke) site located at 16 South Cherokee Lane, Lodi, California. On May 22, 1990, Brown and Caldwell personnel contacted the San Joaquin County Public Health Services Environmental Health Division (County) to inform them that drilling permit applications and fee were being hand delivered to them for processing. The County stated that approved encroachment permits from the City of Lodi (City) were required prior to the processing of drilling permits. On May 24, 1990, a request (letter dated May 23, 1990 to Mr. Richard Prima, City) for encroachment permits was submitted to the City. The City required an insurance certificate from Geweke naming the City as additional insured in order to issue the encroachment permit. On June 1, 1990, the proper certificate was submitted by Geweke and the encroachment permits were issued. On June 5, 1990, the drilling permit package, including a copy of the encroachment permit, were hand delivered to Ms. Eleanor Ratliff of the County. Attached to the package was a letter requesting that the permitting process be completed on an overtime basis. The County has informed Brown and Caldwell that under this request the permits would be approved within 10 days. Upon approval of the permits drilling will be scheduled. Brown and Caldwell has received final laboratory results from groundwater samples collected from the five existing on-site wells. Table 1 presents the analytical data from this sampling event as well as previous sampling events. A full laboratory report is included with this letter as Exhibit A. The data indicate that dissolved hydrocarbons are present in the groundwater from four of the five monitoring wells. No free floating product has been observed in any of these wells.