2007-04-09_REVISION - M1983141

• Permit No: M1983141
• IBM Index Class Name: Revision
• Doc Date: 4/9/2007
• Doc Name: Adequacy Review Comments- Clarification
• From: Mount Royale Ventures, LLC
• To: DRMS
• Type & Sequence: TR5
• Media Type: D
• Archive: No

MOUNT ROYALE VENTUR PAGE 85/@6
Mr. Thorlaas Schreiner
Aivision of Reclamation, Mining and Safety
Adequacy Review Comments TR-OS
Table 2 - MW-t Provisional Baseline
4/10/2007
Page 4 of 5
I'aram Unit 12/05 3/06 6106 9106 12/06 Menu StDev Ba¢k-
and APri-
culture Hasa
line
pH s.a 7.57 7.8 7.525 7.63 0.15 7.97 6.5-8.5 6.5-8.5
Sulfate m 323 340 1600 380 370 603 558 1901 1901
N02-N mglL 0.05 0.050 0.030 0.166 10 10
N03-13 mg/l.. 0.42 0.420 0.210 0.909 100 100
As mg/L 0.002 0 0,0005 0.003 0.001 0.001 0.001 0.004 0.1 0.1
Cd mg/L 0.0006 0.0003 0.0004 0.0002 0.0002 0.0003 0.0002 0.001 0.01 0.01
Cr mg/L 0.05 0.050 0.050 0.166 0.1. 0.1
Cu mg/L 0.01 0 0.0018 0.0047 0.0024 0.004 0.004 0.013 0.2 0.2
Fe mgll, 0.39 0.03 0.02 0.05 0.05 0.112 0.156 0.475 5 5
Pb mg/L 0.001 0 0.0001 0.0035 0.001 0.002 0.005 0.1 0.1
Mn mg/L 0 0.005 0.03 0.03 O.Ol6 0.016 0.053 0.2 0.2
Hg mg/L 0.0001 0.001 0.0006 0.0006 0.002 0.01 0.01
Ni mg/L. 0.05 0.050 0.050 0.166 0.2 02
Zn meR- 0.06 0.013 0.005 0.013 0,01 0.020 0.022 0.073 2 2
Notes: Total Total Total Diss-
olved Diss-
ulved Not less
thaa DL
or 15
mean 99°h UCL
The interim (provisional) baseline for the Cash Mine Pool was presented in Table 3. Any
parameters not specified within the baseline were below detectable limits, therefore
Agricultural quality limits would prevail. This baseline shall be modified, upon
completion of five (5) quarterly readings of baseline data (as proposed).
Table 3 -Cash Mine Pool -Provisional Baseline
Parnm 1/06 9/06 9106 12/06 12/06 Aver-
a e St
Dev 99%
UCL Agri-
culture Basa
lice
Location #3XC CM,W Cb1W #3XC CMW
pll 6.91 6.91 6.5-8.5 6.5-8.5
N02-N 0.05 O.DS 10 10
N03-N 0.16 0.16 100 100
As 0.023 0-003 0.013 0.0017 0.001 0.00$ 0.010 0.031 0.1 0.1
Cd 0.063 0.0005 0.0015 0.0056 0.0005 0.014 0.027 0.078 0.01 0.078
Cu 0.08 0.0013 0.002 0.0068. 0.0006 0.018 0.035 0.099 0.2 0.2
Fe ].73 89.4 44.7 0.06 0.09 27.196 34.672 119.4$6 5 120
Pb 0.029 0.0005 0.0004 0.0022 0.0005 0.007 0.013 0.036 0.1 0.1
b4tt 16.5 I8.7 6.84 0.862 11.226 8.859 31.834 0.2 32
Ks o.ooos 0.001 0.001 0.000 0.002 0.01 0.01
Ni 0.1 0.100 0.100 0.333 0.2 0.2
Zn 8.17 0.324 1.94 1.24 0.066 2.348 3.339 10.116 2 10
Notes Yotal Diss~oived Diss-oived Total ~ Aiszrolved Not loss
then OL
rn'A
mean 999'0 UCL
Lceations; N3XC = 83 Level Cross Cue; CMW =Cash Mine Well