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can be demonstrated that potential chemical load impacts are only . <br />approximately one-half the amounts projected in the 9/86 PHC analysis. <br />The highest recorded June tonnage (chemical load) from Site 004 is only <br />1.28, whereas 3.03 tons/day was used in the impact analysis. The <br />projected TDS increase in Fish Creek during June was 39 mg/1, whereas <br />only a 12 mg/1 increase (1984) can be calculated for the highest values <br />actually measured (Table 7-1-7). The highest recorded July tonnage from <br />Site OU4 is only 0.78 while 1.21 tons/day was used in the impact <br />analysis. The projected TDS increase in Fish Creek during July was 38 <br />mg/1 while only a 24 mg/1 increase (1986) can be calculated for the <br />highest values actually measured (Table 7-1-7). <br />Bond Creek <br />Flow and TDS values for Site SW-52-9 (Bond Creek) discharges are <br />presented in Tables 7-1-4 through 7-1-6. Mean monthly flows measured at <br />SW-S2-9 in June and July, 1987 were 0.016 and 0.022 cfs, respectively. <br />Average June and July flows for the period of record are the same, as <br />spoils related discharges have only been occurring for approximately 1 <br />year. The construction of Pond 008 interrupted discharges in the fall, <br />1987 and spring, 1988. Discharges will commence once the decant level <br />in Pond 008 is exceeded. The flow values that have been measured are at <br />least an order of magnitude below the 0.5 and 0.2 cfs June and July flow <br />values used in the Bond Creek surface water quality impact analyses. <br />TDS values measured at Site SW-52-9 in June through August, 1987 ranged <br />from 536 to 618 mg/1; whereas, the PHC analysis employed TDS- values of <br />2,245 mg/1. <br />In comparing the values used in the Table 7-73 impact projections for <br />the Bond Creek drainage with actual measured values at Site SW-S2-9, it <br />can be demonstrated that potential chemical load impacts are negligible <br />as of this date (refer to Table 7-1-7). The 1987 June and July flow and <br />TDS values measured are too low to permit calculating any measurable <br />change using the approach outlined in Table 7-73. <br />7-1-2 Revised 05/16/88 <br />