Laserfiche WebLink
CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. 97- 812 <br /> FORMER CAL FARM SUPPLY STOCKTON <br /> MARTHA BOWMAN, BANKRUPTCY TRUSTEE <br /> SAN JOAQUIN COUNTY <br /> The former Cal Farm Supply facility is at 1922 and 2040 West Washington Street, Stockton. The <br /> business consisted of the storage, distribution, and packaging of fertilizers and pesticides. The company <br /> filed for bankruptcy in July 1987 and the site investigation and cleanup is currently being performed <br /> under direction of the bankruptcy trustee. Groundwater is contaminated with nitrate, ammonia, various <br /> pesticides, and petroleum products. <br /> This monitoring and reporting program(MRP) is issued pursuant to Section 13267 of the California <br /> Water Code. Prior to the installation of monitoring or extraction wells,the Discharger shall submit <br /> plans and specifications to the Board for review and approval. Once installed, all new wells shall be <br /> added to the MRP, and shall be sampled and analyzed according to the schedule below. <br /> GROUNDWATER MONITORING <br /> There are eight monitoring wells at the site, as shown in Figure 1. The groundwater monitoring program <br /> for wells MW-1 through MW-4, MW-6 through MW-9, and any wells installed subsequent to adoption <br /> of this MRP, shall include the list below. Sample collection and analysis shall follow standard EPA <br /> protocol. Wells shall be monitored on a quarterly basis. <br /> EPA Test Monitoring <br /> Constituents Units Method Wells to be Tested <br /> Depth to Groundwater Feet -- All wells <br /> Purgeable Aromatic Hydrocarbons µg/l 5030/8020 MW-1,MW-2,MW-4, MW-7, MW-8 <br /> TPH-gasoline µg/1 5030/8015 M MW-1, MW-2, MW-4, MW-7, MW-8 <br /> TPH-diesel µg/1 3510/8015M MW-1,MW-2, MW-4, MW-7, MW-8 <br /> Triazine Pesticides µg/1 619 All wells <br /> Chlorinated Herbicides µg/1 615 MW-1,MW-2, MW-3, MW-7 <br /> Organochlorine Pesticides µg/1 608 All wells <br /> Nitrate-N mg/1 300.0 All wells <br /> Ammonia-N mg/I 350.2 All wells <br /> REPORTING <br /> Quarterly reports shall be submitted to the Board by the 30th day of the month following the end of <br /> each calendar quarter(i.e.,by 30 January, 30 April, 30 July, and 30 October) until such time as the <br /> Executive Officer determines that the reports are no longer necessary. Each quarterly report shall <br />