2009-08-10_GENERAL DOCUMENTS - M1977300 ‎(2)‎

• Permit No: M1977300
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 8/10/2009
• Doc Name: EPP- pgs. 9-30 to 11-10
• From: Whetstone Associates/Cotter Corp.
• To: DRMS
• Permit Index Doc Type: Gen. Correspondence
• Email Name: DB2
• Media Type: D
• Archive: No

Environmental Protection Plan, Schwartzwalder Mine 9-51
• Table 9-9. Water Quality Data for Seepage from the Upper Mine Levels
PARAMETER MINN WASH ILLRS CO 146
pH, lab (s.u.) --- 3.8 2.7 7.9 8.2

Specific conductance, lab (µS/cm)
...........................................................................................................................................................
---
....;....................... ........... ...
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3740 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7190 . . . . . . . . .. . ....................... . . . . . . . . . . .
1430 . ........................ . . . . ... . ....
4120

Total dissolved solids (mg/L)
................................................................................................... .
. _
---
............................_.................. ..........................................
4,200
......................................... ..........................................
11,000:
.............. ..............................................
1,230 ....................................
4,650
Total suspended solids ._?mL ........ .............. ............................ ... '
--
.......... 30.4 10.3 37.4 <2.5
.

Alkalinity, dissolved (mg CaC03/L) .
.........
.................
--- ........._
.........._.
<10 .........._
...
.......................
<10
. ..............................................
170 .... .
300

Alkalinity, total (mg CaC03/L)
..............................................................
---
.. p................................... ................................... ..
<1 .... ...........................
<1 ....................
170
300
4

mmonia, total (mg N/L)
............................................................................. .......................................... .......... .... ..................... ............. ........

<0.5
...
.................. ................................ ......... .

<0.5 ........................................4...

<0.5 ..................
. .. . . . . . .................. .

<0.5

. . . . . . . . . .
..
....... . .. ........... ....
<0.5

Nitrate, (mg N/L)
................................. . . . . . . . . ................................... . ................................................. ,
.........................
2.9
... . ........................................... ..........................................
2.9
: .............. .............
8.3
4.2 .......................
28

Calcium, dissolved (mg/L)
................. ......................_........................................................................................................................................ .....

<1
. ..;....................
. ............................ : .

390 . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....

360 ... . . . . .. .
...............................
110

380
:

Sodium, dissolved (mg/L)
.................................................... ............ ........... ......... .......................................... .......................................................... .
.....................
<5
... ....................................... ..... .......................................... :.

28
....... ........................................

8
: ............ ............
....
7 _
..............
29......
:

otassium, dissolved (mg/L)
....................................................................................................
..

.9
. ...............................
.

14
.
..... .........
...
. . ........................
<0.3

...................................... . . . . . . .

7.4

.
.....................................
21
.
..........
Sulfate (mg/L)
.. .......... ................................ -.............................................................................................. ...
.........................................
---
... ......................... _. ..........................................
.
2,900 .......................................
. ...
7,200

...................................... ..
.. . ..........................................
790

..
;

2,900

Chloride (mg/L)
.......................................................................................................................................

---
.............................................:

19
...
. .

130 .................... _................ .....

5
......
................................
9

Copper, dissolved (mg/L)
. ............................... . . .............................. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.02
. .
.......................
.
. ..
....................................:..
0.67 ...........
19
0.04 . . . . . . . . . . .... . ..........
0.61

Magnesium dissolved (mg/L)
......................._................................................................................................................................ .
.
..
............... :
15
.. . .......................
240
270

140

280

Manganese, dissolved (mg/L)
................. ......_................................................................... .......................................... ...........................................
<0.01
..
25 ....
27 .............................................
0.57 .............................. .
0.92
Uranium, dissolved (pCi/L)

................. .................................................................................................................................................... .................... 0.0338

.
..
................... ............52 ................. ....................................... ....
150 .......... .................................. ,
29 ..................................
130

Gross alpha particles dissolved. (pCi/L)
............. ........................._ ...... ..... ............
.
.
14 ......... ................................ ..
--- ....................................... ,....

--- ....... ...... ............................... ,

--- ......................................

---

Gross beta particles dissolved. (pCi/L)
...................................................... . . . . . . . . . . . . ;
21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--- . . . . ........ . .......................... . ... ............................................ . . . . . .................................
.........................................................................
Thorium-228, dissolved (PCi/L) .............................................
0 .
---
---
---
---
Thorium-230, dissolved (pCi/L) 0 --- --- ---
: ---

Thorium-232 dissolved ( Ci/L
p
0 ...........................................
--- ..........................................
--- ................___..............
....
s .......................................
................._..............................................
Radium-226, dissolved (pCi/L)
........................................................................................................................ _;..........................................:.
2.3 ...........................................
--- ........................................... ........................................... .......................................
...................... ....... ....................................
Field Temperature (C°)
........................................................................................... ..............................................
10.3
._............................................ .....................................
4.1
................. .... ..........................
6.6 .......................................
7.7 ..................................
9.3

Field pH s u
................. ............p..........?.............?........................................................................................................ ............ ....

.........._?...84..........._. ...........................

........._3.97......
. .................................

3.02
;
..................... _

8.34
:
..................................

8.47

Specific Conductance, Field (µS/cm)

241 .
.......
3,960 ....... _
...........
.....
7,720 ........._
...............
.
1,880 ..........
.... .... ...
......
4,230
(c) Analytical Suite and Detection Limits
The analytical suite and detection limits are provided in Section 12. Analytical detection limits and
groundwater quality parameters must be acceptable to the DRMS office.
•
4109C.090807 Whetstone Associates