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<br />October 29, 1992 <br />Page 6 <br /> <br />DOMG Concern - Springs <br />1) Site 114 shows no flow after 5/20/91. Is this information <br />correct? <br />CYCC Response <br />This is correct. Site 114 has not discharged to Pond D since the <br />referenced date primarily as a result of this flow being pumped <br />into the million gallon tank and thence underground for dust <br />suppression. <br />DOMG CONCERN - Ponds <br />1) Field parameters were reported monthly rather than weekly for <br />Pond B. Also TDS was only reported once rather than quarterly. <br />CYCC Response <br />As previously discussed, TDS is no longered a required monitoring <br />parameter, as CDOH approved the substitution of an EC based <br />standard. This results in the observed data break for all NPDES <br />points. Concerning the lack of reporting for field parameters, this <br />is solely due to an oversite on our part which was not identified <br />during report generation. The pertinent field parameters for those <br />sample instances which were omitted are as follows: <br />Date <br />2/21/91 <br />3/08/91 <br />3/15/91 <br />3/22/91 <br />1 4/10/91 <br />v 4/19/91 <br />4/22J91 <br />5/08/91 <br />6/12/91 <br />Temp ('C) EC (umhos/cm) pH <br />6 4000 8.2 <br />6 3150 7.6 <br />8 3140 7.6 <br />7 3010 7.7 <br />10 1520 8.3 <br />12 1440 8.0 <br />13 2580 7.8 <br />18 2580 7.7 <br />15 3170 7.9 <br />