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uI~ <br /> PUBL111 HEALTH SER' DICES 0.��' •.0 <br /> SAN JOAQt;IN COUNTY <br /> JOGI KHANNA\f.D_\1.P H. <br /> Health Officer <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) • Stockton, California 95201 FOR <br /> (209)468-3400 <br /> ROBERT ISACKSON <br /> P <br /> (a AY <br /> 703 MARKETCIATE STREET SUITEHIP 1404 JAN 2 3 1992 <br /> SAN FRANCISCO CA 94103 <br /> RE: Royal Oaks Saving and Loan REFER TO SITE CODE: 2393 <br /> 510 N. Main <br /> Manteca, CA <br /> San Joaquin County Public Health Services, Environmental Health <br /> Division has reviewed the "Quarterly Report" dated December 6, <br /> 1991, prepared by WHF Environmental Consultants, Inc. for the <br /> above site. <br /> Monitoring wells two and seven are evidencing low levels of <br /> groundwater contamination. These wells have evidenced <br /> groundwater contamination in the past and it was stated in the <br /> May 29, 1991 report that contaminated soils were left in place in <br /> the south edge of the previous excavation which is the location <br /> of these wells. The Ultramar station south of this site did not <br /> detect any groundwater contamination in their March or June 1991 <br /> sampling. Therefore, it should not be assumed that the source of <br /> contamination is from an off-site source. Quarterly sampling of <br /> the monitoring wells should continue at this site. <br /> In the next quarterly report provide the survey information from <br /> Nolte and Associates to ensure the same bench mark was used for <br /> resurveying of monitoring wells five, six, and seven. <br /> If you have any questions contact Margaret Lagorio, Senior REHS, <br /> at (209) 468-3449. <br /> Jogi Khanna, M.D. , M.P.H. <br /> Health Of icer <br /> E-aurie A. Cotulla, REHS, Program Manager <br /> nvironmental Health Division <br /> LAC/ML: lb <br /> C. RWQCB <br /> C. WHF Environmental <br /> A Division of San Joaquin County Health Care Services �� <br />