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Exceptions from Table II (Regulation 41) <br />Chlorophenol <br />Chloride <br />Color <br />Corrosivity <br />Foaming Agents <br />Odor <br />Phenol <br />Exceptions from Table III (Regulation 41) <br />Nitrite <br />If cyanide could be present from previous mining I would recommend measuring for it. If dischazge <br />waters aze anticipated to have organic waste, then one should measure for fecal coliform and total <br />coliforms. If the geology suggests a potential for elevated uranium concentrations, Iwould measure for <br />the radiometics. Underground blasting can generate elevated concentrations of nitrogen compounds <br />including ammonia, so it may be wise to run baseline for these as well. <br />Analytical labs should be instructed to use procedures where detection limits aze low enough to measure <br />the parameter at the lowest necessary level. For instance, Zn is regulated for both surface water (aquatic <br />life) and Bound water (human health), but because the aquatic life standard for Zn is lower than for <br />human health, the detection level should be set to detect any exceedance of an aquatic standard. Table N <br />of Regulation 41 lists standards calculated for different hardness values; you would probably want to have <br />analyses run at the lowest value if you do not lalow stream hardness. <br />Please contact me if you have further questions about the pazameters list. <br />Since~rely`,'`~ <br />i / <br />Harry H. Posey <br />Senior Environmental Protec on Specialist <br />Cc: Bob Oswald <br />