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Appendix C-4 <br />HAYDEN GULCH TERMINAL, INC. <br />SURFACE WATER MONITORING SITE FIELD DATA (1) <br />SAMPLE SAMPLE COND pH TEMP FLOW (2) <br />SITE DATE umohs/cm s.u. deg. C gpm <br /> <br />' <br />HGSDt 06/29/93 2120 8.02 18.0 NM <br />HGSD1 10/21/93 2500 8.26 5.0 NM <br />' <br />HGSD1 04/20/94 3460 8.27 12.0 NM <br />HGSD1 04/06/95 3340 8.13 6.0 300 <br />HGSD7 10/24/95 2960 8.26 2.0 268 <br />' HGSD1 04/23/96 2070 8.79 10.0 8864 <br />HGSD1 11/04/96 2370 8.37 6.1 440 <br />HGSD1 05/12/97 990 8.53 18.6 8707 <br />HGSDt 10/18/97 3440 7.14 11.4 3558 <br />HGSD1 05/01/98 1207 8.44 16.4 12425 <br />HGSD1 10/15/98 2940 7.89 12.3 838 <br />HGSD1 06/17/99 2030 8.13 13 1059 <br />t <br />HGSD1 12/10/99 2560 10.37 (3) 0.4 503 <br />HGSD1 05/24/00 2823 8.18 16.6 583 <br />HGSD1 05/21/01 3340 7.63 16.7 426 <br />' <br />HGSDt 10/21/01 2720 8.49 5.4 224 <br />HGSDi 05/31/02 3560 7.79 18 NM <br />HGSD7 10/28/02 2503 8.35 7.8 2 <br />' <br />HGSD2 06/29/93 3320 8.22 21.0 191 <br />HGSD2 10/21/93 5970 8.41 10.0 41.2 <br />HGSD2 04/20/94 4290 8.35 14.0 1280 <br />HGSD2 04/06/95 6150 8.82 10.0 NM <br />HGSD21°f 10/24/95 4460 8.43 4.0 NM <br />HGSD3 10/21/93 4390 8.43 7.0 62.7 <br />HGSD3 04/20/94 4260 8.38 12.0 1240 <br />HGSD3 04/06/95 6180 8.65 8.0 898 <br />' <br />HGSD3 10/24/95 4410 8.46 5.0 245 <br />HGSD3 04/23/96 2710 8.83 11.0 11717 <br />HGSD3 11/04/96 5290 8.41 7.2 547 <br />' <br />HGSD3 05/12/97 1470 8.25 18.3 7513 <br />HGSD3 10/18/97 3620 8.83 12.6 3415 <br />HGSD3 05/01/98 1435 8.54 16.7 15331 <br />HGSD3 10/15/98 3000 8.43 9.3 1311 <br />HGSD3 06/17/99 2370 8.28 16.2 1185 <br />HGSD3 12/10/99 2620 9.85 (3) 3 498 <br />' <br />HGSD3 05/24/00 3857 8.69 18.7 660 <br />HGSD3 05/21/01 3760 7.86 13.2 516 <br />HGSD3 10/21/01 2574 8.36 3.4 159 <br />' HGSD3 05/31/02 3900 8.37 22.7 NM <br />HGSD3 10/28/02 dry <br />' Notes: (1) Field data collected by HGTI following purchase of the Hayden Gulch Loadout in 1992. <br />(2) NM =Not Measured <br />(3) The pH value is suspect. The sampler had equipment difficulties and <br />' requested immediate laboratory pH measurement upon delivery to lab. <br />(4) Monitodng ceased in October 1995. <br />