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RICES o,QU,M <br /> PUBLrC HEALTH SE <br /> .G <br /> SAN JOAQUIN COUNTY <br /> JOG[KHANNA M.D.,M.P.H. .-. <br /> Health Officer <br /> P.O.Box 2009 • (1601 East Hazelton Avenuc) •Stockton, California 95203 <br /> (209) 468-3400 <br /> ELIZABETH THAYER <br /> CENTRAL VALLEY REGIONAL WATER CCF' '� 7,)'W <br /> QUALTITY CONTROL BOARD MAR 2 6 199rc <br /> 3443 ROUTIER ROAD, SUITE A <br /> SACRAMENTO, CA 95827-3098 <br /> RE: Stephens Anchorage SITE CODE: 1028 <br /> 4950 West Brookside Road <br /> Stockton, CA <br /> Public Health Services Environmental Health Division (PHS/EHD) has reviewed the '1991 Fourth <br /> Quarter Report and Closure Request", dated November 25, 1991, for the above referenced site. Based on <br /> the following rationale, PHS/EHD is prepared to seek concurrence from the Central Valley Regional <br /> Water Quality Control Board for the closure of this site. <br /> 1. Groundwater analytical data collected on this site over the last three <br /> quarters demonstrate non-detectable concentrations of total petroleum <br /> hydrocarbons as gasoline and diesel, and the constituents of gasoline; <br /> benzene, toluene, ethylbenzene, and xylene. <br /> 2. Although sampling events conducted in late 1989, 1990, and very early <br /> 1991, indicated low levels of each of the components that were <br /> analyzed, these results were extremely inconsistent over the total <br /> monitoring period and generally not repeatable. <br /> 3. Due to the location of this site and other site specific limitations, <br /> PHS/EHD does not feel that the current conditions, as a result of the <br /> previously leaking underground storage tanks at this site, pose a threat <br /> to the health and safety of the citizens of San Joaquin County. <br /> The closure letter generated by this office indicating'no further action required at this time" can not be <br /> issued until the Regional Water Quality Control Board concurs with the recommendations of this letter, <br /> and the current monitoring wells on site are destroyed under permit and inspection by PHS/EHD. <br /> Should you have questions or concerns regarding this matter, you may contact, Steven Schneider, RENS, <br /> of my staff at (209) 468-3441. <br /> Jogi Khanna ., M.P.H. <br /> Health O c F-1 <br /> aurie A. Cotulla, HS, Program Manager <br /> Environmental Health Division <br /> L.AC\SS:lb <br /> c: Richard Dunn - Stephens Marine, Inc C. Bill Channel - Resna <br /> P.O. Box 670, Stockton, CA 95201 1710 Main St., Escalon, CA 95320 <br /> A Division of San Joaquin County Health Cart Services 1 <br />