Laserfiche WebLink
April 7, 1992 <br /> . ARCO Station No 2168, Stockton, California <br /> o Collect samples of the drill cuttings and submit the samples to an ARCO- <br /> approved Iaboratory for analysis of TPHg, BTEX, and total lead using the <br /> above methods The tentative location for the stockpiled soil is shown on <br /> Plate 2 Drill cuttings from the proposed onsite borings will be placed on <br /> plastic and covered with plastic Results of these analyses will be used to <br /> evaluate disposal options for the soil We will apprise ARCO of these <br /> options <br /> o Conduct a vapor-extraction test as described in our May 17, 1991,Work PIan <br /> o Prepare a Preliminary Investigations and Evaluation Report summarizing our <br /> findings, conclusions, and recommendations based on previous and proposed <br /> work If hydrocarbons in soil or ground water are not delineated during this <br /> scope of work, the PAR will be postponed until hydrocarbons are delineated <br /> The work will be performed in accordance with the Tri-Regional Board Staff <br /> Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites <br />. (California Regional Water Quality Control Board, Central Valley Region, August 1990), <br /> Appendix A to that document (August 1991), and the Leaking Underground Fuel Tank <br /> Manual (California Leaking Underground Fuel Tank Task Force, 1989) The Site <br /> Mitigation Acknowledgement /Request For Services Form was included in our May 17, <br /> 1991, Work Plan <br /> We recommend that a copy of this work plan along with the drilling permit be forwarded <br /> to Mr Michael Infurna of the San Joaquin Public Health Services located at 445 North San <br /> Joaquin, Stockton, CA 95202 Mr Jim Manghan of the California Regional Water Quality <br /> Control Board located at 3443 Routier Road, Suite A, Sacramento 95827-3098 <br /> 31004-4w 4 <br />