REV95387

• Permit No: M1988112
• IBM Index Class Name: Revision
• Doc Date: 11/16/1998
• Doc Name: BMRI SAN LUIS MINE PN M-88-112
• From: BATTLE MOUNTAIN GOLD
• To: DMG
• Type & Sequence: TR15
• Media Type: D
• Archive: No

' TabM A-2
Surface WRer OualRy
Data Summary
RSd 1)
' Sampb DWe Discharge pH TOS Bicarb. Chloride Sulfate Calcium Polauium A{a anMe
Magnecwm
Sodium
rcf l
a (std units} (ma/Ll LT9d1 (mall fma/L1 m
f~l m
1~1 m
I.~t11 fe1a~~ few8.1
PrNAlnlrp
11/11/87 1.6 7.0 110 91 1 17 22 0.9 0.035 5.9 5.3
01113'88 31 7.0 110 BB <3 16 21 1.0 0.068 5.8 5.1
' OM1188 7.1 7.B 56 75 <3 10 17 0.8 0.062 4.2 3.fi
0520!88 B.1 7.9 68 6B <3 10 11 0.9 0.033 1 3.6
0621/88 5.6 7.9 160 B3 <3 6 15 0.8 0.032 3.4 3
08rtd88 3.9 7.4 TO 61 <3 9 17 0.9 0.038 ~.5 2.9
1151/88 5.2 7.9 100 90 <] 12 17 0.8 0.031 1.9 I.B
1 0120'89 31 7.5 90 et <3 11 18 0.9 0.06 ~.9 I.B
01/1189 8.0 7.6 110 81 <3 11 18 1.0 0.039 IA 3.8
05/11/88 9.9 7.7 86 66 <3 6 12 D.6 0.038 3.7 2.9
O711UB9 5.0 7.2 B2 91 <3 11 17 1.0 0.041 1.1 3.8
' OBHdBB 2.6 3) 100 110 <3 10 19 1.0 0.069 •7 1.3
Average 6.B 7.8 % q 1.7 11 17 0.9 0.011 1;6 lA
Mlnlmum 2B 7.0 6C q 1.6 6 11 0.6 0.031 311 2.9
Mnlmum 9.9 7.9 160 110 L0 17 ZZ 1.0 0.066 619 6A
Mlnlrtp
012551 31 7.1 90 88 <3 10 18 1.5 0.013 119 3.9
07(d0'D1 31 3) 91 31 <3 5 31 31 0.031 1,1 J)
70(3091 3) 7.9 % 86 <7 12 19 O.B OA35 31 3.8
01(3092 3) 7.2 100 57 <3 10 15 1 0.026 IA <0.01
072392 3) 7.1 80 75 O.B 10 18.3 2.2 0.01 3.6 IS
1d1I52 31 31 100 860 ~) 0.8 11 18.3 zl O.B4 zl 0.03 1.2 z) 1.03 21
01@993 31 3) % 91 1 <70 16.1 z) O 0.37 zl <0.01 Lp zl 11.7 z)
01lt754 3) 8.1 31 72 1.2 <10 16.6 0.8 0.02 5.D 2.8
07/19/91 31 6.D 31 31 0.7 <70 18.1 0.8 0.03 1.8 i.9
' 141391 3) 31 89 BS 0.7 <70 18.5 zl 1 z} O.q 3.0 z) 16 zl
0@71% 31 7.7 87 87 1 <70 1BA zl O.D z) 0.01 1. zl 1 zI
07//91% 31 10.1 11 80 61 0.8 <10 12.7 z) 0.1 zl 0.01 1, z) 3.4 z)
141155
0182196 3}
3) 8.1
3) 100
80 79
61 1.1
3.9 <10.
<10. 18.2
18.6 zl
z) 1
0.5 z)
z} 0.02
<0.01 3.;
1.7 zl
zl 3.6
2.1 z)
zl
0606'98 31 31 110 8B 0.8 12 22.9 zl 1.2 x) 0.02 IA z) 6.8 zl
0751/88 31 31 100 92 0.9 <10 17.5 z) 0.7 z) 0.03 21 5 z} 2.3 x)
idA'Y98 31 7.0 % 93 5.0 11 24 21 1 z) 0.081 1.9 z) 7 z)
' Average 7.6 91 7H 1.6 8 18 O.q 0.02{ 1.6 3.89
Mlnlmum 6.9 80 67 0.8 6 13 0.37 <0.01 3.3 <0.01
Maalmum 8.1 110 91 6.0 1/ ?• 220 0.081 6.9 71.70
Post~Allning
01/1dD7 31 31 64 7T 5.0 10 21 zl OA z) 0.063 8.3 xl 1 z)
0173257 91 3) 101 62 3.3 33 21 z) 0.91 zl 0.028 /.6 zl 3.58 zl
072197 33 31 58 SLB 3.3 /t 18.5 21 O.S1 z) 0.019 3.q zl 2.1 2)
140757 31 7.B 275 83.6 1.7 97.8 53 zl O.B1 zl 0.182 1.79 zl 7.9 x}
01/0698 3) 7.7 122 ~) 83.7 6.9 172.8 72,2 it 1.83 z) 0.611 ~) 12.7P z} 0.9 z)
04075B 31 7.7 256 85.6 5.8 120.1 18.2 xl 0.73 xl 0.128 11.88 xl 8.1 x)
07/0758 z} zl 2A1 21 z)
140258 3} 8.6 221 90.2 3.1 88.9 17.8 zl <0.5 zl OS~ 8.17 zl 1.8 x)
Average 7A 166 77 /.6 69.2 38.1 0.79 0.190 6.2b 6.06
' Mlnlmum 7.7 66 62 3.3 3.3 16.6 a0.6 0.019 1.76 210
Maalmum BA 276 M 6.9 172.8 72.2 t.q OA26 12.31 7.60
' Notes
1) All rew8a reported ss tolala unb6a Mhsrriae ndad.
2) Reported as dissoF+ed.
3) Parametm not analyzed
4) Data Dallier, reWB nd used in slalislia.