Laserfiche WebLink
PUBVC HEALTH SMVICES �O.P�'u�~_•C� <br /> SAN JOAQUIN COUNTY <br /> JOGI KHANNA M.D.,M.P.H. <br /> Health Officer <br /> P.O. Box 2009 0 (1601 East Hazelton Avenue) •Stockton, California 95201 c4�i F 64% v <br /> (209) 468-3400 <br /> JOHN AND MARGARET MARCI <br /> MARCIS DIESEL SERVICE - <br /> 2973 LOOMS ROADt~ `1 V Q 3 9 9 <br /> STOCKTON CA 95205 \ , U <br /> Lj <br /> RE: 2969 Loomis Road SITE CODE: 2015 <br /> Stockton, Ca <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has reviewed the <br /> Quarterly Report for the Third Quarter of 1992, submitted by William Hunter and Associates and has the <br /> following comments. <br /> The detection of diesel in the last round of groundwater sampling confirms that groundwater has been <br /> impacted by hydrocarbons from the former tanks. It is now imperative to fully define the extent of the <br /> soil and groundwater contamination plumes. Additional soil borings and monitoring wells need to be <br /> installed until the full extent is defined. <br /> At this time monitoring well #2, located in an identified general downgradient direction, is at such a <br /> distance from the former tank pit area that it would not yield useful information as part of a <br /> groundwater monitoring program. <br /> In accordance with the Tri-Regional Guidelines, a monitoring well will need to be installed in each down <br /> gradient direction identified during the assessment process. It appears from the data collected to date <br /> that the groundwater flow direction at this site is divergent. This is most likely due to the various <br /> domestic and agricultural wells located in the vicinity. <br /> Therefore, additional data on groundwater flow direction(s) can be collected during the next two to <br /> three quarters of groundwater monitoring to determine the best placement for the additional wells. <br /> Also, more frequent groundwater measurement intervals may give a more accurate representation of <br /> actual groundwater conditions and is recommended. After the additional data is gathered a workplan <br /> for additional soil borings and monitoring wells will be requested. <br /> If you have any questions please contact Linda Turkatte, REHS, of my staff at (209) 468-0339. <br /> Jogi Khanna, M.D.,M.P.H. <br /> Health Offic <br /> aurie A. Cotulla, RENS, Program Manager <br /> Environmental Health Division <br /> LAC/LT:lb <br /> c: CVRWQCB- Beth Thayer <br /> c: W.J. Hunter and Associates-Dennis Allen <br /> c: J.I.M. Corporation-c/o Theodore Martin <br /> c: Donald and Lois Martin <br /> c: Harry Gebauer <br /> A Division of San Joaquin Counry Health Care Services <br />