SITE INFORMATION AND CORRESPONDENCE_FILE 2

Home Browse Search

March 31, 2009, Mr. Michael Infuma Environmental Health Department 600 E. Main Stockton,CA 95201 Subject:Valley Motors`j First Quarter 2009 Report Dear Mr. Infurna: Upgradient Environmental Consultants has prepared this letter report for the first quarter of 2009 on behalf of Valley Motors in Stockton, California. A meeting with San Joaquin County Environmental Health Department staff was held on February'6, 2009. The meeting was requested in a January 15, 2009 letter from EHD to discuss the status of the investigation at this site.. Mr. Tom O'Neill of Valley Motors, Barbara Hyduke and Mr. Clyde Hebbron of Upgradient Environmental attended. , EHD opened the meeting by asking about the status of the project and what was needed to move forward in order to remain within compliance. Funding was the prime reason why work had not progressed. The current Work Plan would have required a substantial capitol expense. Valley Motors could not fund the necessary work and Upgradient was at the limits of its credit. After further discussion, it was agreed that a modified pilot test would be conducted using the existing monitor wells. The test may provide enough information to establish whether pump and treat is a viable remediation solution. WORK PLAN Subsequent to the meeting, Upgradient Environmental submitted the revised work plan to conduct an interim groundwater remediation (pumping) test. The revised plan proposed pumping monitor well VM-2 for a period of approximately three weeks to determine whether groundwater.extraction (pump-and-treat)would be a cost-effective method of remediating the contaminated groundwater beneath the Valley Motors property. Samples would be collected at key points during the test and analyzed to see whether the laboratory results of these samples reveal a concentration decline curve from which the time and cost of this remediation method can be estimated. i