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PUBLIC HEALTH SERVICES RQu� . <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION X <br /> Ernest M. Fujimoto; M.D., M.P.H., Acting Health Officer <br /> 445 N. San Joaquin Street 0 P.O. Box 388 0 Stockton,TA 95201-0388 '09i b <br /> (209) 468-3420 <br /> FL <br /> JOHN STROH <br /> SAN JOAQUIN COUNTY <br /> FE81 8 1994 <br /> MOSQUITO ABATEMENT DISTRICT <br /> 5503 S AIRPORT WAY J <br /> STOCKTON CA 95206 SITE CODE: 1849 <br /> RE: San Joaquin County <br /> Mosquito Abatement District <br /> 200 N. Beckman <br /> Lodi, CA 95266 <br /> alth Division, (PHS/EHD),e <br /> San Joaquin County Public Health Services, Environmebtal H:, <br /> has reviewed the "Workplan for Soil Boring Installation and Groundwater Sampling and <br /> Analysis", submitted by Roy F. Weston, Inc. and has the following comments: <br /> -This workplan has been approved as written. G.riouting procedures were <br /> discussed in a phone conversation which was d 6'cum6nted on February 18,1994 <br /> between David Marks of Weston Inc. and Michael Collins of PHS/EHD. It was <br /> agreed that hydropunch borings through existing dry ,''monitoring wells would be <br /> grouted from the bottom to the top of the existing wells, with bentonite chips. Soil <br /> borings will be grouted with a 5% bentonite/cement mixture. <br /> -Additional investigation may be necessary after.1review of the results of the next <br /> report. <br /> If there are any questions, please contact Michael Collins, RE'HS, of my staff at 209-468- <br /> 0338. <br /> Ernest M. Fujimoto, M.D., M.P.H. <br /> �cting Hlth 9fFicer <br /> Diane�MCinston, Supervising R.E.H.S. <br /> Environmental Health Division <br /> DMH/MC <br /> c: Weston Inc. <br /> c: CVRWQCB <br /> A Division of San Joaquin County health Care Services <br />