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CYPRUS YAMPA~LEY COAL CORPORATION: MINE NO. 1, 2, AND ECKNIAN PARK 1999 ANNUAL HYDROLOGIC REPORY SUIIIMARY OF WATER QUALITY DATA smnm~ry of water goallty din-11.6rw Avence Std. Momnom Mln~wn Udb Comrt Begh~ End 1 PHYSICAL PROPERTIES TEMPERATURE FlELD 16.474 4.5 27.000 7.000 DEGREES C 78 09/63 09/99 2 CONDUCI7VITY FlELD 1162.844 819.6 3730.000 200.000 UMHOS/CM 77 01/84 09/99 3 LAB 934.171 609.4 4010.000 246.000 UMHOS/CM 42 09/83 09/99 4 pH FlELD 8.384 0.4 9.400 7.190 PH 77 01/84 09/99 S LAB 8.400 0.1 8.700 8.200 PH 13 09/83 09N9 6 ALKALINITY TOTAL 266.122 76.5 428.000 SI.000 MG/L 4I 09/83 09/99 7 HARDNESS AS CAC03 398.>86 162.9 1130.000 101.000 MG/L 42 09/83 09/99 8 SOLIDS SETTLEABLE -0.200 0.0 -0.200 -0.200 MI/L 1 06/92 06/92 9 SUSPENDED 41.366 83.3 378.000 -3.000 MGIL 41 07N0 09199 i0 iOTALDISS 772.357 931.9 1960.000 136.000 M1IG/L 42 09/83 09/99 11 OIL&GREASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFNED 6 09/88 08/93 12 CATIONS CALCIUM DISSOLVED 78.131 32.1 219.000 8.000 MG/L 42 09/83 09/99 13 MAGNESRR.1 DISSOLVED 49.538 20.8 141.000 10.000 MG/L 42 09/83 09!99 14 SODR7M DISSOLVED 69.705 120.0 728.000 6.000 MG/L 42 09/83 09/99 IS pOTASSRIM DISSOLVED 2.000 0.0 2.600 2.600 MG/L 1 09/83 09/83 16 SAR --- NOT APPLICABLE IIT I ,.339 2.0 12.113 0.237 UNDEFINED 46 09/83 09/99 17 ANIONS BICARBONATE AS HC03 302.080 101.3 508.000 5.000 MG/L 41 09/83 09/99 IH CARBONATE AS C03 7.237 8.1 24.000 -2.000 MG/L 38 09/83 09/99 19 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 21 04x95 09/99 20 CHLORIDE NOT APPLICABLE 6.000 0.0 6.000 6.000 MG/L I 09/83 09/83 21 SULFATE N07 APPLICABLE ~ 283 337 346.4 1831.000 40.000 M1iGi1 42 09/83 09199 22 PRINtAR\' ARSENIC DISSOLVED -2.000 0.0 -2.000 -2.000 UG/L 09/83 09/83 23 BARIUM DISSOLVED ~ -200.000 0.0 -200.000 -200.000 UG/L ~ I 09/83 09/63 124 CADAIRJM DISSOLVED -5000 0.0 -3.000 -3.000 UG/L I 09/83 09/83 25 TOTAL RECO\ -0.461 L3 3.600 -3.000 UG/L 4I 07/90 09/99 26 LEAD DISSOLVED -20.000 0.0 -20.000 -20.000 UGI. 1 09/83 09783 27 MERCURY 01550E\'ED -1.000 0.0 -1.000 -1.000 UG/I. I 09/63 09/63 28 TOTAL RECOI -0.161 O. i 0.200 -0.200 UGI. 4 i 0790 09/99 29 SELENRIM DISSOL\'ED -Z.000 0.0 -2.000 -2.000 UG/L I 09/83 09/83 JU TOTAL RECO\ -0 R54 0.5 1.000 -1.000 UG~L 41 07!90 09199 31 SEC'UNDARI~ SILVER TOTAL RECO\~ -0480 0.1 -0.100 -0500 UG~L 41 07/90 09/99 32 COPPER DISSOLVED20000 0.0 -20.000 40.000 UG'I. I 09/83 09/63 33 I ZDJC 01550E\'ED ~3 U00 0.0 -3.000 -3.000 UGI I 09/87 09/83 34 TOTAL RECl1\ I ri 341 I 43.7 210.000 -50.000 UG I. 4I 07/90 09/99 7~ IRON TOTAL 70:200001 0.0 20220.000 20220.000 UGI. I 09/63 09./83 3fi TOTAL RECUT I IU1 U77 2225.5 11900.000 60.000 UGI 32 07/90 09/99 J7 ~1 MANGANESE DISSOL\ F,D ~?0000_ 0.0 -20.000 -20.000 UGI I , 09/83 09/83 38 ~ TOTAL RECrn ~o U49 86.6 530.000 20.000 _ 1'(. I 4I 07/90 09/99 ~' 3~~IHLh 2-~ SITF. uR ~ IINI I RFF.A IN/vv'NSTRFAM1I OF DER'ATERINC SITE)