Laserfiche WebLink
PUBLIC-HEALTH SERVICES PgWry <br /> SAN JOAQUIN COUNTY ,q.• _ spa <br /> ENVIRONMENTAL HEALTH DIVISION a ; <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 °4tiF Rr`� <br /> 209/468-3420 <br /> cc, <br /> DWIGHT DAVIS <br /> PEGASUS GROUP . UN 2 4 'W <br /> 1148 ALPINE ROAD <br /> WALNUT CREEK CA 94596 <br /> RE: Village West Marina Site Code: 1098 <br /> 6649 Embarcadero Drive <br /> Stockton CA 95219 <br /> San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS/EHD) has reviewed the request for closure presented in the February 19, <br /> 1997 'Project Status Report of Groundwater Monitoring" for the above referenced <br /> site. PHS/EHD requests that your consultant submit a closure document which <br /> complies with Appendix B of the Tri Regional Board Staff Recommendations for <br /> Preliminary Investigation and Evaluation of Underground Tank Sites. The closure <br /> report is to document whether complete remediation of the site has been <br /> achieved or that a "no further action" closure of a site is warranted and that some <br /> soil or ground water contaminants will remain. <br /> The minimum information required in the closure report includes: <br /> 1) Distance to production wells for municipal, domestic, agriculture, industry <br /> and other uses within 2000 feet of the site, <br /> 2) Site maps, to scale, of area impacted showing locations of former and <br /> existing tank systems, elevation contours, gradients, and nearby surface <br /> waters, buildings, streets, and subsurface utilities, <br /> 3) High and low groundwater levels (below ground surface), <br /> 4) Tabulated results of all sampling and analysis, <br /> 5) Vertical and lateral concentration contours of contaminants found initially, <br /> and those remaining in soil and ground water, both on and off site, <br /> 6) Mass balance calculation of the substance treated versus that remaining, <br /> 7) Technology used to clean the site; if Best Available Technology (BAT) was <br /> not used , explain why, <br /> 8) Zone of influence calculated for the subsurface remediation system and <br /> the zone of capture attained for the soil and groundwater remediation <br /> system. <br /> 9) Reasons why "background" was/ is unattainable using BAT, and <br /> A Division of San Joaquin County Health Care Services <br />