Laserfiche WebLink
__ - - - - -- ---- --- -- - -- -- -- -- - July 13, 1990 <br />Du font Cnvironfliental Services Job No. 1088-R-4 <br />Conoco Inc. <br />600 North Dairy Ashford <br />TR 3056 <br />Houston, Texas 77079 RE C <br />gj ED <br />ATTENTION: Mr. Gregory P. Fletcher <br />Coordinator - Environmental Affairs 1-1 <br />SUBJECT: Monthly Status Report -June 1990NV1P01�`NT <br />A4, <br />Former Econo Gas Station f\FA1RS <br />4325 East Washington Street <br />Stockton, California <br />Dear Mr- Fletcher: <br />il remediation system at the above -referenced site, for the month of June <br />This is a monthly status report for the so1 <br />1990. <br />n a wee <br />A Du Pont at were <br />Environmental Services' technician rne visited the <br />ection, instrumenty calibratiayn'cinfluentrt and ies hefftuent <br />performed. during the visit included eq p p <br />concentration measurements, and control system adjustments. A hand-held organic vapor analyzer (OVA) was <br />used by field technicians to measure hydrocarbon concentrations and one tedlar air bag sample was collected for <br />laboratory analysis. <br />;N of gasoline have <br />Based on oeen <br />perating parameters listed on Table A, atsystem p <br />pion y <br />ately 752 pou <br />ting period- The remediation has been operating since August 1989, and since <br />extracted during this repor <br />then, approximately 12,522 pounds (2,033 gallons) of gasoline have been extracted and property treated, Attached <br />cted Per Month (Figure 1) and Cumulative Gasoline Extracted (Figure <br />are two figures welch show Gasoline Extra <br />2), <br />Respectfully submitted, <br />DU PON'1 ENVIRONMENTAL SERVICES <br />rJLCGct �v <br />Robert A. Katin, P REA <br />�, <br />/jve�Kini Engineering Manager <br />rr ---- -- - -Staff Engineer— -- <br />VMK/RAK:cb <br />Attachments: Table A Operating Parameters <br />e Extracted Per Month <br />Figure.I - Gasolin <br />Figure 2 - Cumulative Gasoline Extracted <br />415 462-7772 (800) 468-2122 FAX {4151462-7944 <br />706_8 K011 Censer Parkway ' guile 401 P�easantan, Cahlamia 94566 l 1 <br />�� _ AsSOn, Qe u syluan3a Pieasanion, Callomia Norwalk, CaY01r a H040n, lens 8rca Hatorti, F osiaa <br />