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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2008-0148 <br /> LAWRENCE LIVERMORE NATIONAL SECURITY, LLC AND <br /> THE U.S. DEPARTMENT OF ENERGY FOR <br /> LAWRENCE LIVERMORE NATIONAL LABORATORY SITE 300 <br /> SAN JOAQUIN AND ALAMEDA COUNTIES <br /> ATTACHMENT 24 <br /> Evaluation of laundry water discharges on ground water quality using the designated level methodology (DLM); <br /> comparison of maximum value detected in laundry water samples discharged to septic systems with the DLM for <br /> discharges more than 30 feet above ground water using an attenuation factor or 100. <br /> Maximum value Corresponding <br /> Parameter Units detected in Designated level water quality Source of wager <br /> effluent methodology value goal' <br /> quality goal <br /> Aluminum m /L 150 100 1 CA primary MCLb <br /> Bicarbonate alkalinity (as mg/L 250 None None None <br /> CaCO3 <br /> Calcium m /L 73 None None None <br /> Carbonate alkalinity (as mg/L 500 None None None <br /> CaCO3) <br /> Chloride m /L 107 Not applicable 250 CA secondary MCL <br /> Copper m /L 0.57 130 1.3 CA primary MCL <br /> Fluoride m /L 0.3 200 2 CA primary MCL <br /> HMX m /L 0.23 35 0.35 IRIS` <br /> Iron m /L 90 30 0.3 CA secondary MCL <br /> Magnesium m /L 40 None None None <br /> Manganese m /L 2.2 5 0.05 CA secondary MCL <br /> Nickel TM / <br /> 0.57 10 0.1 CA primaryMCL <br /> Nitrate as N 0.59 Notapplicable 10 CA rima MCL <br /> Nitrate (as NO3) 2.6 Not applicable 45 CA prima MCL <br /> Oil and grease 46 None None None <br /> Ortho-phosphate m /L 0.84 None None None <br /> Potassium m /L 18 None None None <br /> Continued <br />