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California Regional Water Quality Control Board <br />VIHEckox Central Valley Region (a <br />Steven T Butler, Chair Gray Davis <br />raryfor Sacramento Main Office Governor <br />"""n"ental Internet Address http d'www swreb ca gov/rwgcb5 a R <br />Protecrron 3443 Routier Road Suite A Sacrarnento California 95827-3003 h <br />Phone (916) 255-3000 • FAX (916) 255-3015 {Ul <br />22 September 2000 0270M) 111L"� <br />CERTIFIED MAIL <br />7000167000006997-4495 <br />Mr Bob Cochran <br />-hevron Products Co <br />130 Box 6004 <br />San Ramon, CA 94583 <br />CERTIFIED MAIL <br />7000167000006997-4488 <br />Ivem and Roger Baffoni <br />1175 Orangewood Dnve <br />Lodi, CA 95240 <br />NOTICE OF VIOLATION, CLEANUP AND ABATEMENT (C&A) ORDER NO 5-00-704 <br />FORMER CHEVRON STATION #9-5775,301 WEST KETTLEMAN LANE, LODI <br />qWAke reviewed your 24 July 2000 Problem Assessment Report (PAR) and the 25 August 2000 Final <br />mediation Plan (FRP) submitted by your consultant, Secor International Incorporated (Secor), for the <br />subject site We find you in violation of C&A Orders No 3, 4, 5 and I 1 <br />C&A Order No 3 requires you to "Install and continuously operate a soil vapor extraction system, and <br />an interum pump and treat system in the area of the highest soil and groundwater MtBE contamination <br />The interim pump and treat system must stabilize the groundwater plume to prevent movement of <br />MtBE toward Well 12 " A soil vapor extraction system and a groundwater pump and treat system with <br />one extraction well was started on 3 July Since then the groundwater pumping rate has dropped from <br />approximately 2 gallons per minute (gpm) to less than 0 2 gpm Groundwater contour maps in the PAR <br />and FRP show the groundwater plume is moving off-site to the west and southwest, therefore, the plume <br />has not been stabilized <br />C&A Orders No 4 and 5 require you to submit a complete PAR and FRP, respectively The reports <br />submitted show monitoring wells were screened inappropriately, aquifer parameters have not been <br />tested, and an assessment of petroleum hydrocarbons in soil and groundwater has not been completed <br />C&A Order No 1 I requires you to include analyses for ethanol, methanol, ethylene dibromide, and <br />1,2-dichloroethane A 26 July 2000 letter from Secor stated that these analyses were mistakenly omitted, <br />that monitoring wells were resampled on 24 July, and results would be submitted when all analyses are <br />complete These analytical results were not included in the 25 August FRP, and we have not received <br />them as a separate submittal These are all violations of the C&A Order No 5-00-704 <br />0 <br />California Environmental Protection Agency <br />*a Recycled Paper <br />