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.j <br />CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br />0 CENTRAL VALLEY REGION <br />CLEANUP AND ABATEMENT ORDER NO -5-00-704 <br />FOR <br />CHEVRON PRODUCTS COMPANT <br />IVERN AND ROGER BAFFONI <br />AT <br />301 WEST KETTLEMAN LANE, LODI <br />SAN JOAQUIN COUNTY <br />Tlie California Regional Water Quality Control Board, Central Valle,% Region, (hereafter Board) finds <br />that <br />1 The former Chevron Station #9-5775 at 301 West Kettleman Lanz in Lodi was operated as a <br />gasoline dispensing facility by Chevron Products Company until august 1998 The property ,%vas <br />and is now owned by Ivern and Roger Baffoni Therefore, the Chevron Products Company, and <br />Ivern and Roger Baffoni, are hereafter collectively referred to as Discharger <br />2 On 24 August 1998, five underground storage tanks (USTs), dispenser islands and associated <br />product piping were removed In January 1999, five soil borings were dnlled, and four of the <br />borings were completed as monitoring wells (MW -1 through-NMW-4) screened from 45 to 65 feet <br />below ground surface (bgs) Groundwater samples collected on 3 February 1999 were found to <br />contain up to <br />• 11,000 micrograms per liter (µg/1) of total petroleum hydrocarbons as gasoline (TPHg), <br />• 6,800 µg11 of benzene, <br />• 62,000 µg/1 of methyl tertiary butyl ether (MtBE), <br />2,400 µg/1 of ethyl tertiary butyl ether (ETBE), and <br />• 780 µg/1 of tertiary amyl methyl ether (TAME) <br />3 Subsequent soil and groundwater investigations were completed_ and one extraction well and <br />five additional monitoring wells were installed Extraction well EX -1 is screened from 55 to 65 <br />feet bgs, monitoring well MW -5 is screened from 70 to 75 feet bgs, and the other monitoring <br />wells are screened from 45 to 65 feet bgs Five groundwater sampling events have been <br />completed between February 1999 and March 2000 Grounder ater samples collected on the <br />1 March 2000 quarterly morutoring and sampling event, were found to contain up to <br />• 51,000 µg/1 of TPHg, <br />• 39,000 µg/I of benzene, <br />0 720,000 µg/1 MtBE, <br />0 18,000 µg/I ETBE, and <br />• • 6,000 µg/1 TAME <br />4 On 24 March 2000, Chevron's consultant, Gettler-Ryan Incorporated (GR) started weekly <br />pumping at extraction well EX -I Approximately 300 gallons of groundwater was pumpecFin 6 5 <br />California Environmental Protection Agency <br />Ca Recycled Paper <br />