ARCHIVED REPORTS_XR0002312 - Laserfiche WebLink

Home Browse Search

w s Chevron Groundwater Monitoring Report(IQ2001) Page 2 oft Facility 49-8632—575 Grant Line Road Tracy,CA Date April 17,2001 DISCUSSION• This groundwater monitoring and sampling event was performed by Gettler-Ryan Inc on February 22,2001 Groundwater samples were collected from four wells and a sump during this event TPHd was detected in the samples collected from all four wells at concentrations ranging from 88 1 ppb in MW-I to 293 ppb In MW-3 TPI-Ig was detected in samples collected from MW-2 at 575 ppb, MW-3 at 1,720 ppb and MW-4 at 1,680 ppb Benzene was detected in samples collected from three wells,at concentrations of 43 3 ppb in MW-3, 50 5 ppb in MW-2, and 226 ppb in MW-4 MtBE was detected in all four wells,at concentrations ranging from 20 0 ppb in MW-4 to 262 ppb in MW-3 No detectable TPHg, BTEX,or MtBE was detected in the sample from the sump Groundwater elevations increased by an average of 0 19 feet this quarter Groundwater flow was to the northwest at 0 005 ft/ft i LIMITATIONS: The findings presented in this letter are based on data and interpretations provided by Gettler-Ryan,Inc Gettler- Ryan's report is attached The data presented in this summary is accurate only to the degree implied by the sources and methods used No warranty, expressed or implied, is made by SECOR If you have any questions, please feel free to call us at(916) 861-0400 Sincerely, SECOR International Inc William E Brasher, P E Project Manager ATTACHMENTS: Attachment A—March 23,2001 Groundwater Monitoring&Sampling Report by Gettler-Ryan Inc cc Bob Cochran,Chevron Products Company, P O Box 6004, San Ramon, CA 94583-0804 Marty Hartzell, RWQCB—CVR,3443 Routier Road, Suite A, Sacramento,CA 95827 j Rudy Sanchez, Tracy Express Wash& Lube,2480 Tracy Boulevard, Tracy, CA 95376 j Stella Rickman, P O Box 244, Tracy,CA 95378 Kathryn Pudenz,4350 Kirkham Street,Apt 304, San Francisco,CA 94122 i