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k? kn ! C�' T CENTRAL VALLEY REGIONAL WATER QUALITY CONTROL BOARD DISCHARGER: Musco Olive Products and the Studley Corporation LOCATION &COUNTY: Tracy, San Joaquin County CONTACT(S): Ben Hall (209) 836-4600 INSPECTION DATE: 2 November 2001 INSPECTED BY: Tim O'Brien and Wendy Wyels ACCOMPANIED BY: Ben Hall ` OBSERVATIONS AND COMMENTS: An inspection was scheduled for 2 November 2001 to perform an annual routine inspection and to discuss continued noncompliance with the Waste Discharge Requirements (WDRs) Order No. 97-037 and Cleanup and Abatement (C&A) Order No. 5-00-717. i Prior to viewing the facility and the land application areas, Ben Hall, Wendy Wyels, and Tim O'Brien met in the Musco conference room to discuss the status of the site. Ben Hall provided a package of documents that he wanted added to the record. The documents consist of correspondence and invoices. It is noteworthy that correspondence from the Dept. of Fish and Game (DFG) and the US Dept. of the Interior Fish and Wildlife Service both provided written notice of the need for permits from their offices. These documents have been placed in the case file. The following items of significance were discussed: I. The diversion sump that was used to direct wastewater to either the Class II ponds or the land application system is no longer used for diversion. Previously the diversion was performed based on the electrical conductivity of the wastewater. Presently, all wastewater is discharged based on the source of the water. The discharge occurs based on a logic control panel. Ben Hall agreed to provide the logic conditions upon request. 2. Olives are stored in above ground tanks using acetic acid. Sodium benzoate is added at a concentration of approximately 50 mg/1 to the storage solution as a preservative. Upon later inspection of the tank farm, a strong odor of acetic acid was noted at the diversion sump. Wastewater at the diversion sump is pumped to the land application area. 3. It was noted that the concentration of dissolved inorganic solids (DIS)had increased approximately 1,000 to 1,500 mg/1 over the last five years. Ben Hall was not able to describe why that steady increase had occurred. 4. It was discovered that the wastewater is never directly metered. The total flow to the Class II ponds is estimated once per month using a staff gauge, that flow is averaged over a month to find a daily average flow rate to the Class II ponds, then the average daily flow rate to the Class II ponds is subtracted from the flow rate for the metered process water flow rate. It was noted that Approved: