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4 <br /> May 19, 1995 SECOR <br /> c c rcu 1 ir,iuunr4ur11 r+C r,l�n,ltlOwl <br /> �� !urn„iriru rrlrrr!u:uuc r nr;, <br /> Mr Fred Cruz <br /> San Joaquin Valley Unified Ajr <br /> Pollution Control District �'Li <br /> Kiernan Avenue, Suite 130 :F/%V, <br /> ,99S <br /> Modesto, CA 95356 <br /> RE: Quarterly Monitoring Report, Soil Remediation System, First Quarter 1995 <br /> 4325 East Washington Street <br /> Stockton, CA 95201 <br /> Dear Mr Cruz <br /> Enclosed for your review is the Quarterly Air Monitoring Report for the period January through <br /> March 1995 for the East Washington Street site SECOR International Incorporated is <br /> forwarding you a copy of this report on behalf of Linda Thompson of Conoco Inc No air <br /> samples were collected during the months of January and March of this quarter because the soil <br /> vapor extraction system was shut-down for repairs <br /> The soil remediation system removed approximately 27 3 pounds (4 4 gallons) of gasoline and has . <br /> an operating efficiency of 72% for this quarter Since the remediation system began operation in <br />• August 1989, approximately 105,690 pounds (17,157 gallons) of gasoline have been removed and <br /> treated <br /> Should you have any questions, please call me at (916) 456-4333 <br /> Sincerely, <br /> SECOR International Incorporated <br /> John E Bower, R G <br /> Senior Geologist <br /> enc <br /> cc(:,, Linda Thompson Mr Harland Knoll <br /> C Conoco Inc San Joaquin County PHS/EHD <br /> P O Box 2197 P O Box 2009 <br /> Houston, TX 77252-2197 Stockton, California 95201 <br /> Ms Beth Thayer <br /> CA RWQCB- Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> SIO&MV <br /> 1—,r - ilrli 1 rcc'i ilc7rrl1c111, c i ��rr — ,, , <br />