SITE INFORMATION AND CORRESPONDENCE

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WASTE DISCHARGE REOEMENTSORDER NO. 5-00-133 ` 3 THE BURLINGTON NORTHERN AND SANTA-FE RAILWAY COMPANY BNSF STOCKTON INTERMODAL FACILITY SAN JOAQUIN COUNTY 17. The designated beneficial uses of the groundwater, as specified in the Basin Plan are - municipal and domestic water supply, agricultural supply,industrial service supply and industrial process supply. - - - Waste Description - - — - 18. The principal waste streams will be storm water and wash down water from two (2) Crane Maintenance Pads (estimated 65,400 gallons per year(gpy)),storm and wash down water from the Hostler Fueling Area(estimated 30,100 gpy),wash down water from the Hostler Maintenance Building(estimated 3,600 gpy),wash down water from the Crane and Trailer Maintenance Building(estimated 1,800 gpy), and condensate from two air compressors (estimated 10 gpy). A floor drain in the Fire Pump Building will be connected to the OWS but is not normally expected produce discharge.' The total estimated annual waste water produced will be 100,910 gallons. 19. The OWS will remove petroleum hydrocarbons from the influent wastewater. The separated petroleum hydrocarbons will be removed from the OWS for recycling at an off site facility. Treated wastewater effluent from the OWS will be directed to the Evaporation Pond. _ 20. The RWD described the treated wastewater as containing TDS, acetone,benzene, cis-1,2-Dichloroethene, Ethylbenzene, 4-Methyl-2-pentanone,Methyl-tert-butyl ether,. and total Xylenes. 21. `Designated waste'is defined in Title 27,Section 20210, as a nonhazardous waste which consists of, or contains pollutants which, under ambient environmental conditions at the waste management unit, could be released at concentrations in excess of applicable water quality standards, or which could cause degradation of waters of the state. 22. The discharge poses a significant threat to water quality. Therefore,the discharge is a `designated waste' and as such must be discharged to a Class It surface impoundment as required by Title 27. DESIGN OF WASTE MANAGEMENT UNITS -- Engineered Alternatives -- - -- 23. Section 20080 of Title 27 requires the submittal of a demonstration that the prescriptive standard is not feasible because it is unreasonably and unnecessarily burdensome or impractical,,the engineered alternative must afford equivalent protection against water quality impairment. The Board has routinely approved the substitution of geosynthetic clay liners for field constructed clay at other sites since March1995. The Discharger was not required to repeat the demonstration which had been made for other facilities because