REP36827

• Permit No: M1977215
• IBM Index Class Name: Report
• Doc Date: 4/30/1996
• Doc Name: BULLDOG PROJECT MINERAL CNTY CO LOWER TAILINGS POND REMEDIATION SUMMARY REPORT
• From: HOMESTAKE
• To: DMG
• Media Type: D
• Archive: No

' TABLE 56
BULLDOG MINE - CREEDE, COLORADO -LOWER TAlLlNG POND - P/EZOMETER WP-29
1

1

1
1
1
1

1

Sam le
Date 1'iezometer
Water
Elevation Free Cyanide
(PPtn) Total Lead
(PPm) Total Zinc
(PPtn) Total Co er
~ (PPtn)P
I Jan 84 8821.40 0.01 0.05 0.29
6 Feb 84 8826.40 0.86
6 Mar 84 8826.82 0.98 0.07 0.07
2 Apr 84 8827.20 0.01 0.10 0.16
8 May 84 8827.30 0.01 0.05 0.1 I
6 Jun 84 8827.50 0.02 0.05 0.13
3 Jul 84 3827.10 0.02 0.05 0.1 I
b Aug 84 8827.80 0.03 0.05 0.31
5 Sep 84 8828.00 0.05 0. I S 0. I S
1 oct sa 33zs.oo o.os
j Nov 84 8827.80 0.03
j Dec 84 8827.60 0.01
7 Jan 8j 8827.05 0.01
2j Aug 85 8825.43 0.01 0.03 0.04 0.12
30 May 86 8824.73 <0.02 <0.002 0.02 0.003
12 Dec 86 8825.39 <O.ol 0.002 0.14 O.o2
29 May 87 8824.60 O.oI <0.004 0.10 <0.006
10 Dec 87 8824.56 <0.01 • 2.40 0.74 0. I j
6 Apr 88 8819.72 <0.01 q 1.30 O.I O 0.50
I31u188 8820.89 <0.014 NS NS NS
6 Sep 88 8822.68 <0.0I C 0.44 0.25 0.1 j
14 Nov 88 8821.93 O.OIQQ 0.50 0.48 0.19
10 Feb 89 8821.75 <0.0IQ 1.10 0.22 0.17
6 May 39 8823.52 <0.01 rr NS (I) 0.33 O.lj
3 Oct 89 8821.84 <O.OI~a~ 0.62 O.j3 0.81
~0 Nov 89 8820.75 <O.OICu 1.20 1.20 0.78
4 Jan 90 8821.77 <0.01&. 0.48 0.46 0.26
4 fun 90 8823.35 0.01& <O.Oj 0.08 0.02
9 Sep 90 8823.19 <0.018c 0.05 0.12 0.10
j Dec 90 882},3j <0.01& 0.06 0.16 0.04
30 Apr 91 8323.35 <0.01& <0.0j 0.03 0.03
2j Jun 93 ND 0.04 0.08 O.Oj
NS: No Sample Collectcd. ND' Nol Detectcd. DRY-N5: No Water; Therefore Na Sample Collected. (I) Laboratory analysis inadvertently conducted
' for iron rather than lead. Iron concentntians were 37, 10, 2 and 2 m,/I, respec[ivcly. (EPA Methods for "free" CN): 'Method 412.8, Method 335.1,
(,Method D•?036•&1, &Method 901?