Dames & Moore, 1999 - USDA Forest Service
Dames & Moore, 1999 - USDA Forest Service Dames & Moore, 1999 - USDA Forest Service
Table 6.64 Loadlng Calculations - Additional Source Areas, Spring and Fall 1997 Holden Mlne RllFS Dames 6 Moore Job No. 17693906-019 Seep SP-6 SP-7 SP-7 SP-8 SP-15 W SP-15 E SP-22 SP-21 SP-21 < Site Location West Waste Rock Pile Mill Building , M~ll Buildlng East Waste Rock Pile Below SP8 at soulh end of lagoon Below SP8 a1 south end of lepoon Below SP7IMiII Mtc yard East of Tailing Pile 3 East of Tailing Pile 3 Notes Flow measurement not available. Flow data for seeps taken from Table 4.4-6a. RC-2 Loading values for % loading calculation taken from Tables 6.6-1 and 6.6-2 N/A = Not Applicable. h:\Holden\Drafl final ri rpt\S-6\tables\Table 6.6-4 7/27/99 Dale Collected 5/21/97 5/21/97 911 9/97 5/21/97 5/22/97 5/22/97 5/23/97 5/22/97 911 5197 Flows L/s 0.439 4.267 0.568 2.112 4.267 0.943 55.5 0.109 Zinc Conc. Load %Load mg/L mgls of RC-2 22.1 9.70 0.8 4.33 18.5 1.5 3.47 N/A NIA 11.2 6.36 0.5 2.26 4.77 0.4 7.97 34.0 2.7 7.35 6.9 0.5 0.11 6.05 0.5 0.13 0.015 0.02 Cadmium Conc. Load %Load mglL mgls of RC-2 0.173 0.076 1.0 0.034 0.15 1.8 0.026 NIA NIA 0.088 0.050 0.6 0.094 0.0198 0.2 0.055 0.233 2.9 0.048 0.045 0.6 0.001 0 06 0.8 0.0011 0.00012 0.031 Copper Conc. Load %Load mg/L mgls of RC-2 12.7 5.58 1.6 2.81 12 3.4 1.93 I NIA NIA 7.88 4.48 1.3 0.21 0.435 0.1 3.56 15.2 4.3 2.14 2.02 0.6 0 052 2.87 0.8 0.034 0.004 0 1 Iron Conc. Load % Load mg/L mg/s of RC-2 0.030 0.013 0:0002 0.12 0.51 0.01 0.22 NIA . NIA .I 0.030 0.017 0.b004 0,010 0 0 0.080 0.34 0.008 0.010 0 0 1.00 55.5 1.2 1.53 0.167 0.004 DAMES B MOORE
i SOURCE: Walten et al., 1992 USGS Chelan Quadrangle 1973 . . .,,,..,,,..... ......................................... .... ! ............................ - .............. A B DAMES & MOORE Figure 6.1-1 RAILROAD CREEK WATERSHED MAP A DAMES 6 MOORE GROUP COMPANY Holden Mine RllFS Draft Final RI Report Job NO. 17693-005-019
- Page 652 and 653: Co-precipitation. Sorption. 633.1 D
- Page 654 and 655: Eh Control on Preeipitation/Dissoln
- Page 657 and 658: 6.4.1 Evidence of Iron Sulfide Mine
- Page 659 and 660: to the underground mine workings, r
- Page 661 and 662: The pH to copper relationship (Figu
- Page 663 and 664: ' 6.5.1 Air and Water Movement Asso
- Page 665 and 666: not originating h m the underground
- Page 667 and 668: sulfate discharged from the portal
- Page 669 and 670: decreases also, aiding in the disso
- Page 671 and 672: West Waste Rock Pie, Mill Building,
- Page 673 and 674: Mixing of Seeps with Railroad Creek
- Page 675 and 676: through diffusion. This is indicate
- Page 677 and 678: MINTEQA2 indicates that the seep wa
- Page 679 and 680: In order to provide comparative flo
- Page 681 and 682: main source of zinc load (82 percen
- Page 683 and 684: source areas was estimated from flo
- Page 685 and 686: Monitoring of seeps from drill hole
- Page 687 and 688: (i.e., portal drainage) for cadmium
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- Page 707 and 708: 1500 Ventilator Portal (Elev. 3454)
- Page 709 and 710: Job NO. 17693-005-019 - - - - LEGEN
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- Page 730 and 731: DAMES & MOORE A DAMES 6 MOORE GROUP
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- Page 736 and 737: Figure 6.5-5 DAMES & MOORE 1997 POR
- Page 739 and 740: SOURCE: Base map information from U
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Table 6.64<br />
Loadlng Calculations - Additional Source Areas, Spring and Fall 1997<br />
Holden Mlne RllFS<br />
<strong>Dames</strong> 6 <strong>Moore</strong> Job No. 17693906-019<br />
Seep<br />
SP-6<br />
SP-7<br />
SP-7<br />
SP-8<br />
SP-15 W<br />
SP-15 E<br />
SP-22<br />
SP-21<br />
SP-21<br />
<<br />
Site Location<br />
West Waste Rock Pile<br />
Mill Building ,<br />
M~ll Buildlng<br />
East Waste Rock Pile<br />
Below SP8 at soulh end of lagoon<br />
Below SP8 a1 south end of lepoon<br />
Below SP7IMiII Mtc yard<br />
East of Tailing Pile 3<br />
East of Tailing Pile 3<br />
Notes<br />
Flow measurement not available.<br />
Flow data for seeps taken from Table 4.4-6a. RC-2 Loading values for % loading calculation taken from Tables 6.6-1 and 6.6-2<br />
N/A = Not Applicable.<br />
h:\Holden\Drafl final ri rpt\S-6\tables\Table 6.6-4<br />
7/27/99<br />
Dale Collected<br />
5/21/97<br />
5/21/97<br />
911 9/97<br />
5/21/97<br />
5/22/97<br />
5/22/97<br />
5/23/97<br />
5/22/97<br />
911 5197<br />
Flows<br />
L/s<br />
0.439<br />
4.267<br />
0.568<br />
2.112<br />
4.267<br />
0.943<br />
55.5<br />
0.109<br />
Zinc<br />
Conc. Load %Load<br />
mg/L mgls of RC-2<br />
22.1 9.70 0.8<br />
4.33 18.5 1.5<br />
3.47 N/A NIA<br />
11.2 6.36 0.5<br />
2.26 4.77 0.4<br />
7.97 34.0 2.7<br />
7.35 6.9 0.5<br />
0.11 6.05 0.5<br />
0.13 0.015 0.02<br />
Cadmium<br />
Conc. Load %Load<br />
mglL mgls of RC-2<br />
0.173 0.076 1.0<br />
0.034 0.15 1.8<br />
0.026 NIA NIA<br />
0.088 0.050 0.6<br />
0.094 0.0198 0.2<br />
0.055 0.233 2.9<br />
0.048 0.045 0.6<br />
0.001 0 06 0.8<br />
0.0011 0.00012 0.031<br />
Copper<br />
Conc. Load %Load<br />
mg/L mgls of RC-2<br />
12.7 5.58 1.6<br />
2.81 12 3.4<br />
1.93<br />
I<br />
NIA NIA<br />
7.88 4.48 1.3<br />
0.21 0.435 0.1<br />
3.56 15.2 4.3<br />
2.14 2.02 0.6<br />
0 052 2.87 0.8<br />
0.034 0.004 0 1<br />
Iron<br />
Conc. Load % Load<br />
mg/L mg/s of RC-2<br />
0.030 0.013 0:0002<br />
0.12 0.51 0.01<br />
0.22 NIA . NIA<br />
.I<br />
0.030 0.017 0.b004<br />
0,010 0 0<br />
0.080 0.34 0.008<br />
0.010 0 0<br />
1.00 55.5 1.2<br />
1.53 0.167 0.004<br />
DAMES B MOORE
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