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San Joaquin County DIRECTOR <br /> Donna Heran, REHS <br /> "'" ASSISTANT DIRECTOR <br /> Environmental Health Department <br /> O�°' : '."''= C <br /> GLaurie Cotulla,RENS <br /> 600 East Main Street <br /> Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Carl Borgman, REHS <br /> Mike Huggins,REHS, RDI <br /> �' •, _-. '�Q Website: www.sjgov.org/ehd Margaret Lagorio, REHS <br /> R�rFo'R� <br /> Phone: (209) 468-3420 Robert McClellon, RENS <br /> Fax: (209) 464-0138 .teff Carruesco,REHS,RDI <br /> Kasey Foley, REHS <br /> January 15, 2009 <br /> Thomas Altwies Tony Palma <br /> Manna Pro Products, LLC Palma Properties LLC <br /> 707 Spirit 40 Park Drive, Suite 150 10 Rickenbacker Circle <br /> Chesterfield, MO 63005 Livermore, CA 94551 <br /> Subject: 4004 S. EI Dorado Street <br /> Stockton, CA <br /> At your request the San Joaquin County Environment Health Department (EHD) staff held a <br /> meeting at their offices on January 6, 2009, to discuss the above subject site. In attendance at <br /> the meeting were Thomas Altwies, representing Manna Pro, Tony Palma, representing Palma <br /> Properties, Margaret Lagorio, Nuel Henderson and Harlin Knoll representing the EHD, and <br /> James Munch and James Barton, representing the Central Valley Regional Water Quality <br /> Control Board. <br /> After the underground storage tanks were removed from this site in 1990, about 4000 cubic <br /> yards of soil were excavated from the former UST area, some of the soil was determined to not <br /> be contaminated and was eventually used to fill the excavation in 1993; the soil determined to <br /> be contaminated was remediated and then disposed on site. A soil vapor extraction and air <br /> sparging system (SVE/AS) has operated at the site since September 2003. There are currently <br /> 12 vapor extraction wells and 7 air sparge wells at the site. <br /> The highest concentrations of total petroleum hydrocarbons as gasoline (TPH-g) benzene, <br /> toluene, ethylbenzene and xylene (BTEX) are found in the groundwater samples from <br /> monitoring well MW1, the next highest concentrations of TPH-g and BTEX are found in the <br /> groundwater samples from MW2. The concentrations of these contaminants in groundwater <br /> samples from MW6 are also high. <br /> The corrective action costs for this site are being reimbursed by the State Water Resources <br /> Control Board Cleanup Fund (CUF). At the meeting, it was stated that the CUF has reimbursed <br /> about one million dollars of corrective action costs so far. Mr. Altwies expressed that Manna <br /> Pro did not have money to expend on corrective action, and wants to make sure that the <br /> remaining money that would be reimbursed by the CUF is used efficiently. <br /> It was discussed that the SVE/AS system might be altered so that only the remedial wells with <br /> significant contaminant recovery rates and/or those located near the monitoring wells with <br /> groundwater samples having the highest concentrations of contamination would be used. <br />