Laserfiche WebLink
i <br /> IEC0 R <br /> Harlin Knoll <br /> April 30, 2004 <br /> Page 2 <br /> e <br /> Number of Detections Minimum Maximum <br /> Constituents above the MDL of the 8 Concentration In k9/L(Well ID) Concentration In yg/L(Well ID) <br /> Total Samples oA <br /> TPHd 2 300(MW-7) 320(MW-1) <br /> TPHg 2 180(MW-7) 310(MW-3) <br /> Benzene 3 0 9(MW 4) 19(MW-7) a <br /> MtBE 4 3(MW-6A) 110(MW-3) <br /> Definitions <br /> MDL=Method detection limit TPHg =Total petroleum hydrocarbons as gasoline <br /> pg/L= Micrograms per liter TPHd =Total petroleum hydrocarbons as diesel <br /> 4 ND =Constituent reported below the laboratory reporting limits MtBE =Methyl tertiary butyl ether <br /> Should you have any questions or concerns regarding these activities, please feel free to contact me <br /> at (916) 861-0400, extension 283 <br /> Sincerely, <br /> SECOR International Incorporated ; <br /> A$ <br /> ob <br /> BW Jackson, Jr <br /> Staff Geologist <br /> Attachments <br /> Attachment 1 Groundwater Monitoring&Sampling Report by Gettler-Ryan, Dated February 24,2004 <br /> F; <br /> cc Mr Robert J Cochran,Chevron Environmental Management Company, San Ramon, CA , <br /> Mr Jim Barton, Regional Water Quality Control Board, Rancho Cordova, CA <br /> Mr Rudy Sanchez,Tracy Express Wash & Lube,Tracy, CA <br /> Ms Stella Rickman,Tracy, CA <br /> Ms Kathryn Pudenz, San Francisco,CA <br /> Mr Robert Kitay, Aquascience, Danville, CA <br /> f <br /> • r <br /> 11Chevron1986321Penodic Monitoring120041102004 QMR 98632 doc SECOR International Incorporated <br /> w <br /> A <br />