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INFORMATION SHEET 4 <br /> WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2004-XXXX <br /> DEFENSE DISTRIBUTION DEPOT SAN JOAQUIN <br /> SHARPE WASTEWATER TREATMENT FACILITY <br /> SAN JOAQUIN COUNTY <br /> occur from certain constituents,but can never exceed water quality objectives (or <br /> background water quality should it exceed objectives) or cause nuisance. <br /> Water quality objectives define the least stringent limits that could apply as water quality <br /> limitations for groundwater at this location, except where natural background quality <br /> unaffected by the discharge already exceeds the objective. The values below are <br /> concentrations directly from the Basin Plan, or derived indirectly using Basin Plan <br /> procedures for implementation of narrative water quality objectives, and must be met to <br /> maintain specific beneficial uses of groundwater. They are based on numeric and <br /> narrative water quality objectives. Consistent with the Policy for Application of Water <br /> Quality Objectives in the Basin Plan, criteria of appropriate agencies have been used to <br /> implement narrative water quality objectives. Unless natural background for a <br /> constituent proves higher, the interim groundwater quality limitations established in the <br /> proposed Order is the most stringent of the values listed for the constituents below. <br /> Constituent Units Value Beneficial Criteria or Justification <br /> Use <br /> Ammonia mg/L 1.5 MUNI Taste and Odor 2 <br /> Boron mg/L 0.7 AGR' Boron Sensitivity 4 <br /> mg/L 1.0 MUNI Calif. Drinking Water Action Level11 <br /> Chloride mg/L 106 AGR' Chloride sensitivity on certain crops <br /> irrigated via sprinklers 4 <br /> 142 AGR' Chloride sensitivity on certain crops 4 <br /> 250 MUNI Recommended Secondary MCL 5 <br /> 500 MUNI Upper Secondary MCL 5 <br /> Iron mg/L 0.3 MUNI Secondary MCL 6 <br /> Manganese mg/L 0.05 MUNI Secondary MCL 6 <br /> Nitrate as N mg/L 10 MUNI Primary MCL 7 <br /> Nitrite as N mg/L 1 MUNI Primary MCL 7 <br /> Sodium mg/L 69 AGR 3 Sodium sensitivity on certain crops 4 <br /> Total Dissolved Solids mg/L 4508 AGR 3 Salt sensitivity 4 <br /> 500 MUN 1 Recommended Secondary MCL 5 <br /> 1,000 MUN I Recommended Upper MCL 5 <br /> Total Coliform MPN/100 <2.2 MUN 1 Basin Plan <br /> Organisms ml <br /> pH pH Units 6.5 to MUN 1 Secondary MCL 10 <br /> 8.5 <br /> 6.5 to AGR 3 Protect sensitive crops 4 <br /> 8.4 <br /> 1 Municipal and domestic supply <br /> 2 J.E.Amoore and E. Hautala, Odor as an Aid to Chemical Safety: Odor Thresholds <br /> Compared with Threshold Limit Values and volatilities for 214 Industrial Chemicals in <br /> Air and Water Dilution, Journal of Applied Toxicology,Vol. 3,No. 6(1983). <br /> 3 Agricultural supply <br />