REP35589

• Permit No: M1977215
• IBM Index Class Name: Report
• Doc Date: 4/14/1997
• Doc Name: EVALUATION OF UPPER & LOWER TAILINGS PONDS AT BULLDOG MINE
• Media Type: D
• Archive: No

Table 5.a Results of pure water chemical analyses from the upper tailings pond and SPLP batch leach tests (EPA Method lJ 12) on
materials from the upper and lower ponds at the Bulldog 111inc, Creede, Colorado.
Colorado
lIP-I UP-I UP-2 LP-I LP-2 LP-J
Uctemunauon Units Ground Water UP-I UP-2
30' 90'"'
J6S-41'
Ili'-16?
4i'-9.S
1T -:'_'
29'-34'
Standards'''
Upper Pond Upper Pond Upper Pond Lower Pond Lauver Pond Lauver Pend
Upptr fund Upper Pond Soil SPLP Suil SPLP Sod SPLP Soil SPLP Soil SPLP Soil SPLP
Pare Water Pare Water
G>Iran wn Estmclion Extraction L=siraction Exnaaion EsDanion
Alkalinity mg CaCOJ/L IU 448 191 79 21 21 23 247
Spec Cand umhos/<m 3340 2090 142 III 97.1 168 89 126
HCO3 mg CaCC13/L I U 44 8 19.1 7.9 18.1 18.8 17 9 U 8

pll 7 64 7.25 7.29 6 86
'fDS mg/L 2590 1860 71 46 <IU 41 q0 45
Calcium mg/L 120 350 13A 4 31 9 77 17.1 7 61 10 4
Chloride mg/I. 18 7 16 i 01S 0.25 U 77 0 28 0.2 <q2
Cyauido-WAD mg/L <00101 <001 <001 <U.UI <0 UI <001 <0.01 <001
19uaride mg/I. I J 082 LYI U.I 016 0.15 1142
Potassium mg/1. 75 77 3 7 86 J.67 2.13 4 73 2 37 4 68
hlugncsmm mg/I. 506 17 11348 0.183 b.il2 0318 0059 0075
Sndnim ing/I. 0J3 137 Ifl.l `).6i 7 H 5 58 5.84 8 73
NO2 + NOl as N mg/I. U 32 0 51 U Ui <l1.Ui OA6 U.I 0.55 U US
Sullhte mg/L 3h.3 29.5 17 4 41 9 III 22 I
Sdvar mg/L 0.0001 <U.U001 00021 00008 <II WUI 0.0002 00005 00004
Arsenic mg/I. 0 OJB 0 041 0 029 U.OU3 <U IlU2 0.042 U 049 0 042
Banwn mg/I. 0011 0014 0324 U3J2 02J7 019 0515 0277
Beryllium mg/L <0001 <0001 <O Ufll <O.U01 NOUI <U UOI <O.OUI <0.001
CuUtmum mg/I. 0.0025 0.0015 <U UIIOI U OU3 q) 0001 <0 UU01 <0.0001 <O.000I
Chromium mg/L <0 005 <U 005 <0 005 <O.U05 <0 OD$ <O.OOi <0 005 <0 OOi
Copper mg/I. 0 003 0 UOS 0 007 0 009 <U Ofll <U DDS 0 W4 <0 001
Iron mg/L <0 024 <0.024 Q087 U.1 H <U 024 0.094 0 19 0 106
Mercury mg/L 0.0018 0.0011 <U.0002 <0 OOU2 <0.0D02 <0.0002 <0.0002 <O.OU02
Manganese mg/L U 019 0.045 0.026 0.017
Nickel mg/L <0017 0024 c0017 <0017 <0017 <017 <0017 <0.017
Lead mg/L 11.004 0026
Antimony mg/L 0.006 <0.034 <0.034
Selenlllm mg/L <0002 0.003 <0002 <O.OU2 <0002 <0.002 c0.002 <0.002
Thallium mg/L 000? <0.001 <0.001 <O OUI <0.001 <0001 <0.001
Line m L 0.429 U.Ob4 0.051 0.057 0.007 0.016 009 0.036
N/A =Not applicable. Standards are not defined (or that analyze.
I" Intervals Indicate the depth below ground surface where tailings samples were taken.
"' Ground watef standards, except those marked with an asterisk, are human heahh standards. The astensk mdmates Colorado secondary drinking water standards.
"' The < sign ind¢ates the analyze was below the shown detection limits.
"'Shaded values exceed Colorado ground water standards.

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