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Definitions (Section 4)

Best management practice (BMP). Engineering or administrative actions to manage properly activities that have the potential to impact the sanitary sewer system

Sanitary sewer. A pipe or conduit that carries wastewater and to which storm and surface water are not intentionally admitted. The sanitary sewer at SLAC handles domestic and industrial wastewater discharges from SLAC operations.

Solvent management plan (SMP). A site-specific plan that identifies toxic organic compounds used at a facility and describes their proper use, storage, and management

South Bayside System Authority (SBSA). Wastewater treatment facility that serves southern San Mateo county, including SLAC

Total toxic organics (TTO). Summation of all quantifiable values of designated toxic organics in the wastewater discharge

Volatile organic compounds (VOCs). Organic compounds that have high enough vapor pressures under normal conditions to vaporize significantly and enter the atmosphere

Wastewater constituents. The individual chemical, physical, bacteriological, and radiological parameters, including volume and flow rate and such other parameters that serve to define, classify, or measure the contents, quality, quantity, or strength of wastewater

Wastewater discharge.

• Non-routine. Any water not included in the any current permit. Disposal of any non-routine discharge requires a non-routine permit
• Prohibited. A discharge explicitly prohibited under the terms of a permit, including spills
• Routine. Includes any non-hazardous wastewater that is routinely discharged during normal operations. There are 20 wastewater discharge types described in the main SLAC permit. Examples include cooling tower blow down, low conductivity water (LCW) from cooling systems, groundwater treatment facility discharges, and cafeteria wastewater.

Wastewater, industrial. The liquid wastes from industrial processes

West Bay Sanitary District (WBSD). The West Bay Sanitary District owns and maintains the sewer mains and pump stations. WBSD along with the cities of Belmont, San Carlos, and Redwood City are constituent members of the joint powers authority that owns and operates the SBSA (see SBSA above)

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