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01 L LEVINE 9 FRICKE <br /> ENGINEERS,HYDROGEOLOGISTS&APPLIED SCIENTISTS <br /> 950"C -4 AR11: 35 <br /> November 29,1995 'LF-2990.95.00 <br /> Lo <br /> Ms. Linda T urchett <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 445 North San Joaquin Street <br /> P.O. Box 388 <br /> Stockton, California 95201-0388 <br /> Subject: Work Plan to Abandon and Seal Gr-ound-Water Monitoring Well MW-1, Color Spot <br /> Facility, Lodi, California <br /> Dear Ms. Turchett: <br /> At the request of Mr. Glenn Brooks of PacificC6rp Financial Services, Uvine�Fricke,,Inc. <br /> ("Levine-Fricke") is providing this work plan to abandon and sealground-water monitoring well <br /> MW-1, at the former Color Spot facility at 5400 East Harney Lane-, Lodi, California ("the Site"). <br /> The ground-water investigation at the former Color Spot facility,has been completed and, based on <br /> the draft letter dated April 28, 1995 from the State Water Resources Control Board (SWRCB) to <br /> Mr. Kevin Adams of Color Spot, case closure has beenrequestedin a letter to Mr. James G <br /> Giannopoulos of the SWRCB dated November 29, 1995 (copied to Ms. Linda Turchett of San <br /> Joaquin County Public Health Service). Based upon this letter, ground-water monitoring well MW- <br /> I will no longer be required at the Site. The well will be abandoned and sealed according to State <br /> of California Department of Water Resources Bulletin 74-90, dated June 1991. The following <br /> outlines the well abandonment procedures. <br /> Well Abandonment and Sealing <br /> An application for a well abandonment permit is included with this work plan. Based upon a <br /> review of the boring log for MW-1 by the SJEHD, the well will be abandoned and sealed using the <br /> hollow stem auger method. <br /> Well abandonment and sealing using the hollow-stem auger method will involve drilling out the <br /> well materials (polyvinyl chloride [PVC] casing, sand pack, bentonite, and cement grout) by <br /> placing a drilling rod string, which fits inside the hollow-stem augers, down the PVC casing as a <br /> guide, and then using 12-inch-diameter hollow-stem augers to drill out the well borehole. As the <br /> drilling proceeds, fragments of well materials will be conveyed to the surface by the rotation of the <br /> auger. Drilling will terminate when the bottom of the boring is encountered (approximately 80 <br /> 1900 POWELL STREET, 12TH FLOOR, EMERYVILLE, CALIFORNIIA 94608-1811 phone (510) 652-4500 fax (510) 652-2246 <br /> San Francisco Bay Area , Sacramento- Irvine . San Diego- Phoenix-Salt Lake City. Denver Chicago �Tallahassee- Newark-Honolulu <br />