Dames & Moore, 1999 - USDA Forest Service

13.01.2013 Views
QA Report - Standard Reference Material Analysis Data Release Authorized: Reported: 06/01/98 Dr. QC Report'No: W264-Dames & Moore Proj ect : Holden Mine 17693 005 019 Date Received: NA True Constituent Uni ta VaXue Value Recovery SPEX#13-22AS Sulfate mg/L 24.8 25.0 99.23 Date analyzed: 05/13/98 Batch ID: 051398#1 SRM QA Report Page 1 for W264 received 05/08/98 ANALYTICAL RESOURCES INCORPORATED v "J 09

QA Report - Method Blank Analysis QC Report No: W264-Dames & Moore Matrix: Water Project : Holden Mine 17693 005 019 Date Received: NA Data Release Authorized: Reported:' 06/01/98 Dr. METHOD BLANK RESULTS CONVENTIONALS Date & Batch 'Conetituent Unite Reeult 05/13/98 Sulfate 051398#1 Total Dissolved Solids Total Suspended Solids Water MB QA Report Page 1 for W264 received 05/08/98 ANALYrlCAL .RESOURCES INCORPORATED

Page 1 and 2: I DAMES & MOORE A DAMES & MOORE GRO

Page 3: DAMES & MOORE .. A DAMES 8 MOORE GR

Page 6 and 7: INTRODUCTION The olden Mine was ope

Page 8 and 9: The Forest Service implemented site

Page 10 and 11: Remainder of Year - After the sprin

Page 12 and 13: ' Water Portal Drainage quality mea

Page 14 and 15: Groundwater discharge from the tail

Page 16 and 17: Trout An intermediate potential ris

Page 18 and 19: Windblown Tailings Material The ero

Page 20 and 21: Lucerne Bar Sampling Additional sed

Page 22 and 23: 3.0 REMEDIAL INVESTIGATION METHODOL

Page 24 and 25: ... 5.3 SURFACE WATER .............

Page 26 and 27: 8.3.3 Surface Water ...............

Page 28 and 29: Table 4.6-3A - Table. 4.6-4 - Table

Page 30 and 31: Table 7.1-1 - Table 7.1-5 - Table 7

Page 32 and 33: Table 7.2.4-2D - Table 7.2.4-3 - Ta

Page 34 and 35: Figure 4.2-2 - Figure 4.2-3 - Figur

Page 36 and 37: Figure 5.3-9 - Figure 5.3-10 - Figu

Page 38 and 39: Figure 6.5-9 - Figure 6.5-10 - Figu

Page 40 and 41: ACRONYM AND ABBREVIATION GLOSSARY @

Page 42 and 43: 1.0 INTRODUCTION The .Holden Mine i

Page 44 and 45: sediment reference location" includ

Page 46 and 47: Volumes 11,111. and IV Section 4.0

Page 48 and 49: . . . . .................. ........

Page 50 and 51: 2.1 SITE DESCRIPTION The Holden Min

Page 52 and 53: ~:\wpdaca\005\rc~o~iol&n-2~i~-0.dae

Page 54 and 55: 2.5 SUMMARY OF ISSUES OF POTENTIAL

Page 56 and 57: G:\tupdata\005\repomUloldm-t\riU-O.

Page 58 and 59: 1986 1988 1988 1989 Science Applica

Page 60 and 61: piemmeter water samples as Service.

Page 62 and 63: G:\~at~\00SLeporuUIoIden-2~V4.d0~ 1

Page 64 and 65: SOURCE: Wtem et al., 1992 USGS Chda

Page 66 and 67: 3.0 REMEDIAL INVESTIGATION METHODOL

Page 68 and 69: wilderness boundary with the intent

Page 70 and 71: The test pits were excavated utiliz

Page 72 and 73: were transferred to AutoCAD maps of

Page 74 and 75: 3.2.1 Streamflow Suweys Streamflow

Page 76 and 77: Site. Samples collected for dissolv

Page 78 and 79: ' chromium, copper, iron, lead, mag

Page 80 and 81: elevated metals based on field scre

Page 82 and 83: Wolman pebble counts), occurrence a

Page 84 and 85: Assessment by Mining Consultant The

Page 86 and 87: discussions of the 1992 data have n

Page 88 and 89: VelocityDepth - influences benthic

Page 90 and 91: To the extent practical, electrosho

Page 92 and 93: Proportion of individuals as top ca

Page 94 and 95: provide adequate data to cany forwa

Page 96 and 97: 3.1 1 TASK 11 - DATA EVALUATION 3.1

Page 98 and 99: 3.11.4.2 Two-Dimensional Groundwate

Page 100 and 101: TABLE 3.0-1 KEY OF SITE FEATURES 8



Page 106 and 107: TABLE 3.2-1 ANALYTICAL PROGRAM FOR

Page 108 and 109: TABLE 3.2.2 ANALYnCAL PROORAM FOR G

Page 110 and 111: TABLE 1.24 ANALYTICAL PROGRAM FOR G

Page 112 and 113: TABLE 3.24 ANALmCAL PROORAM FOR GRO

Page 114 and 115: SOURCE: USGS Topographic Map, State

Page 116 and 117: - Figure 3.0-3 DAMES & MOORE HOLDEN

Page 118 and 119: Figure 3.1-2 DAMES & MOORE ! RI SOI

Page 121 and 122: Fill (2) Vent (1) SOURCE: Base map

Page 123: SOURCE: Base map information from U

Page 126 and 127: SOURCE: WIteffi et a/., 1992 USGS C

Page 129 and 130: DAMES & MOORE Figure 3.4-2 FLOCCULE

Page 133 and 134: i I i .4 i ,i i i\ i '.\ i \ \ i I

Page 135 and 136: 4.1.2 Site Surface Features Referri

Page 137 and 138: Hydroelectric Plant Electrical powe

Page 139 and 140: Water seepage emanates, in the spri

Page 141 and 142: '7 ~t the Site, approximately mid-w

Page 143 and 144: system delineated by ditches and re

Page 145 and 146: Section I-I' and shows the six tunn

Page 147 and 148: The uppermost stopes within the min

Page 149 and 150: make up the earth's surface. The st

Page 151 and 152: silver, and included 34,000 tons of

Page 153 and 154: strength was determined by Hart Cro

Page 155 and 156: gravels are variable in thickness a

Page 157 and 158: wetlands and adjacent to Railroad C

Page 159 and 160: Several faults have been mapped in

Page 161 and 162: the coefficient of Friction. Geomor

Page 163 and 164: The groundwater levels used for the

Page 165 and 166: Tailings pile 3 is situated near th

Page 167 and 168: vertical extent of the underground

Page 169 and 170: from the roof, then evaluating the

Page 171 and 172: 4.2.8 Potential Borrow Source Areas

Page 173 and 174: for good quality riprap would neces

Page 175 and 176: May and June, which coincide with t

Page 177 and 178: Rating Calculations Referring to Ta

Page 179 and 180: with little or no braiding. Upstrea

Page 181 and 182: Discharge in Railroad Creek was mon

Page 183 and 184: model predicted a 100-year flood at

Page 185 and 186: The data logger, or transducer, was

Page 187 and 188: submerged at high water levels. Flo

Page 189 and 190: this, it is possible that the snow

Page 191 and 192: 4.3.5 Basin Average Climatic Water

Page 193 and 194: surface erosional features provide

Page 195 and 196: * The D50 equation is obtained from

Page 197 and 198: effect of a 0.05-foot stage increas

Page 199 and 200: discussed in' Section 6.8.2 of this

Page 201 and 202: Observations During Aquatic snorkel

Page 203 and 204: covers limited portions of the Site

Page 205 and 206: Bedrock Bedrock underlies the entir

Page 207 and 208: high as 0.1 to 0.2 feet per foot (F

Page 209 and 210: Generalized Site-Wide Groundwater R

Page 211 and 212: 4.4.3.5 Groundwater Uses Groundwate

Page 213 and 214: Reach 1 Since there are no observed

Page 215 and 216: evaluated on the basis of judgment

Page 217 and 218: and only started flowing afier seve

Page 219 and 220: interceptor ditches likely carry pr

Page 221 and 222: The inflow of groundwater in the fo

Page 223 and 224: Accuracy The accuracy of the bedroc

Page 225 and 226: aquifer from the portal drainage, o

Page 227 and 228: Reference Reaches RC-10. Railroad C

Page 229 and 230: accessed, including the RM-3 "Dan's

Page 231 and 232: The banks are relatively nonvegetat

Page 233 and 234: Ratio of Shredder Functional Feedin

Page 235 and 236: without scrapers and organisms requ

Page 237 and 238: present at RC-6, RC-I, RC-3, SFAC-I

Page 239 and 240: and stumps with bark piles surround

Page 241 and 242: Tailings Piles A flock of violet-gr

Page 243 and 244: 4.6.3 Threatened or Endangered Spec

Page 245 and 246: Background Information Grizzly bear

Page 247 and 248: anadromous populations occurring in

Page 249 and 250: Creek drainage, they are more commo

Page 251 and 252: R16E S7). These species include an



Page 257 and 258: TABLE 4.1 -1 KEY OF SITE FEATURES 8

Page 259 and 260: Pitchblende Sericite Biotite Source

Page 261 and 262: TABLE 4.2-2a EROSION POTENTIAL RANK

Page 263 and 264: TABLE 4.2-4 RIP-RAP CONDITION RANKI

Page 265 and 266: TABLE 4.24 BORROW SOURCE EVALUATION

Page 267 and 268: TABLE 4.3-1 AVERAGE MONTHLY FLOW PE

Page 269 and 270: TABLE 4.33 AVERAGE MONTHLY POTENTIA

Page 271 and 272: TABLE 4.3& SURFACE WATER FIELD PARA

Page 273 and 274: TABLE 4.3da SURFACE WATER flELD PAR

Page 275 and 276: TABLE 4.3-5 MONTHLY STREAMFLOW AVER

Page 277 and 278: NA = not measured NF = no flow S =

Page 279 and 280: TABLE 4.34b AVERAGE MONTHLY WATER B

Page 281 and 282: Station RC- I RC-4 RC-9 Copper Cree

Page 283 and 284: Hydrostratigraphic Unit SoilIFill C

Page 285 and 286: TABLE 4.4-2 GROUNDWATER FIELD PARAM



Page 291 and 292: Stream Reach RC-4 to RC-7 RC-7 to R

Page 293 and 294: TABLE 4.4-6 RESULTS OF OCTOBER 1998

Page 295 and 296: Seep SP-8 was observed flowing in l

Page 297 and 298: TABLE 4.448 SEEPAGE FIELD PARAMETER

Page 299 and 300: TABLE 4.4- SEEPAGE FIELD PARAMETERS

Page 301 and 302: TABLE 4.4-9 REACH 1 SITE-SPECIFIC W

Page 303 and 304: Habitat Variable Stream Velocity an

Page 305 and 306: a TABLE 4.6-2A BENTHIC MACROINVERTE

Page 307 and 308: TABLE 4.6-2C DISTRIBUTION FIT FOR M

Page 309 and 310: TABLE 4.6-3 TROUT POPULATION ESTIMA

Page 311 and 312: Date September 9 September 10 Septe

Page 313 and 314: TABLE 4.6-6 . HERPETOFAUNA LIKELY T

Page 315 and 316: North-aspect Slope Sharp-shinned ha

Page 317 and 318: ! I TABLE 4.6-10 MAMMAL SPECIES OBS

Page 319 and 320: CLIENT PRI VILECED AND CONFIDENTlA

Page 321 and 322: TABLE 4.6-13 U.S. FOREST SERVICE SU

Page 323 and 324: TABLE 4.6-15 SURVEY AND MANAGE SPEC

Page 325 and 326: . . ; SOURCE: Wen et al., 1992 ,, .

Page 327 and 328: SOURCE: Base mrlp information from

Page 329 and 330: ____------ ---_ SOURCES: Base map i

Page 331: SOURCE: Base map information from U

Page 334 and 335: ' Railroad Creek SOURCES: Northwest

Page 336 and 337: - Approximate f' Plan View Outline

Page 338 and 339: ' DAMES LEGEND - Approximate extent

Page 340 and 341: - LEGEND Approximate extent of unde

Page 342 and 343: LEGEND ==s Approximate extent of un

Page 344 and 345: - E 2f W . E Volcanic Arc Cascadia

Page 346: ,.' \ /- i \\ \ i i \ \..--A j \ /.

Page 349 and 350: DMES & MOORE Figure 4.2-6a HOLDEN M

Page 351: 0.7 D.8 D. 9 E.0 E.l E.2 E.3 E.4 E.

Page 354 and 355: LEGEND Bedrock F WEST SOURCE: North

Page 356 and 357: G NORTH .- C u C al Alluvial rn Rew

Page 358 and 359: File: g:/l7693005mA-4st.slp Glacial

Page 360 and 361: 3.24 3.23 X 3.22 w n 3.21 c .W 3.20

Page 362 and 363: DAMES & MOORE A aAMES & MOORE GROUP

Page 364 and 365: SOURCE: Base map inADrmatim from US

Page 366 and 367: Figure 4.2-21 d HOLDEN MINE SUBSIDE

Page 368 and 369: * r- Job DAMES & MOORE A DAMES 8 MO

Page 370: SOURCE: Golder and Associates, 1990

Page 374 and 375: SOURCE: Base nmp inlbnaficxl from U

Page 376 and 377: SOURCE: Wters et al., 1992 0 2.5 5

Page 378 and 379: D. 7 0.8 SOURCES: Base map informaf

Page 380 and 381: SOURCE: Base map inlbrmatim lrom US

Page 382 and 383: 0.00 I I I I I I April May June Jul

Page 384: DAMES & MOORE A DAMES 6. MOORE GROU

Page 388 and 389: 1.80 - 1 .. --.- -- 0.9 1.60 - ! Po

Page 390 and 391: Note: No data available for June 19

Page 392: : g ; . - . .... . -._. ........ .

Page 395 and 396: LEGEND ..-.-.-.-.- Freewater surfac

Page 397: SOURCE: Base map inlbrmation from U

Page 400: ' D. 7 . 0.8 D. 9 E.0 E. 1 E.2 E.3

Page 404 and 405: C 0 % iil f 3192 - 3190 - 3188 3186

Page 406: , -.I p./ ,/' i i .\ i i i -.-. i '

Page 409: ~ob NO. 1769300~019 Infiltration to

Page 412 and 413: Overland . Flow Areawest of Site Ov

Page 414: ' SOURCE: Base map information from

Page 417 and 418: D. 9 E.0 E.2 E.3 E.4 0.7 SOURCE: Ba

Page 419 and 420: ...... -.: - - ........... 3790 ,.-

Page 423 and 424: DRAFT FINAL Remedial Investigation

Page 425 and 426: (RAOs) section of the Feasibility S

Page 427 and 428: Also included in WAC 173-201A are p

Page 429 and 430: MTCA defines the methods and descri

Page 431 and 432: The historical data for samples col

Page 433 and 434: groundwater was encountered at appr

Page 435 and 436: were below MTCA levels with the fol

Page 437 and 438: sampling rounds, the field filter b

Page 439 and 440: Department of Ecology samples colle

Page 441 and 442: data sets where the total value was

Page 443 and 444: 5.3.1.3 Summary Based on the statis

Page 445 and 446: adjacent to the Site were not neces

Page 447 and 448: RC-4 is located downstream of the p

Page 449 and 450: RC-2 is'located immediately downstr

Page 451 and 452: In May 1997, copper (21.5 pg5) in t

Page 453 and 454: Data collected from upstream statio

Page 455 and 456: of water exiting from the portal. S

Page 457 and 458: 5.3.4.3 Historical Portal Drainage

Page 459 and 460: parameters did not indicate seasona

Page 461 and 462: The portal drainage was sampled at

Page 463 and 464: and sodium were not evaluated as th

Page 465 and 466: preliminary report 1997). Sample lo

Page 467 and 468: time frame. The concentration of ea

Page 469 and 470: 5.4.2.4 Waste Rock Piies Seep sampl

Page 471 and 472: Seep data were compared to MTCA gro

Page 473 and 474: The data for seeps associated with

Page 475 and 476: in wells TP1- 1A. TPl-2A, TPI-3A, T

Page 477 and 478: 5.4.2.8 Lucerne Well The well at th

Page 479 and 480: Ninemile Creek) with a correspondin

Page 482 and 483: During the mine reclamation activit

Page 484 and 485: TABLE 5.0-1 KM OF SITE FEATURES 8 M



Page 490 and 491: TABLE 5.2-1 SUMMARY OF RI SOlL ANAL

Page 492 and 493: TABLE 5.2-1 SUMMARY OF Rl SOIL ANAL

Page 494 and 495: TABLE 5.23 SUMMARY OF HISTORICAL SO

Page 496 and 497: TABLE 5.24 SUMMARY OF HISTORICAL TA

Page 498 and 499: TABLE 5.2-5 SUMMARY OF RI TAILINGS

Page 500 and 501: TABLE 5.2-6 POTENTIAL COMPOUNDS OF

Page 502 and 503: TABLE 5.51 SURFACE WATER AREA BACKG

Page 504 and 505: . . .. . . . .....-a .---.-I--u,. C

Page 506 and 507: TABLE 5.3-2 Aluminum Data Points, B

Page 508 and 509: TABLE 5.34 Beryllium Data Points. B

Page 510 and 511: TABLE 5.3-6 Chromium Data Points. B

Page 512 and 513: TABLE 5.34 lron Data Points. Backgr

Page 514 and 515: TABLE 5.3-10 Magnesium Data Points,

Page 516 and 517: TABLE 5.3-12 Selenium Data Points,

Page 518 and 519: TABLE 5.3-14 Zinc Data Points, Back

Page 520 and 521: TABLE 5.3-16 Statistical Summary -F

Page 522 and 523: TABLE 5.3-18 SUMMARY OF RI SURFACE

Page 524 and 525: h:\holden\drafi final nrpt\SS\TaMes

Page 526 and 527: TmLE 5.240 STATION RG2 AND P ROXW S

Page 529 and 530: TABLE 5.3-20 h:\holden\draft final

Page 531: TPBLE 5.3-21 STATION RCJ AHD PROXBS

Page 534 and 535: TABLE 5.3-21 SUMMARY OF RI WATER QU

Page 536 and 537: TABLE 5.3-24 SUMMARY OF SURFACE WAT

Page 538 and 539: h V~olden\draR final nrpt\S-5\Table



Page 544 and 545: TABLE 5.3-28 SUMMARY OF RI WATER QU

Page 546 and 547: TABLE 5.529 SUMMARY OF RI WATER QUA

Page 548 and 549: TABLE 5.3-30 SUMMARY OF RI PORTAL D

Page 550 and 551: TABLE 5.W1 SUMMPRY OF HISTORICAL WA

Page 552: TABLE 5.592 SUMMARY OF RI WATER QUA

Page 556 and 557: TABLE 5.3-35 TABLE 5.355 SUMMARY OF

Page 558 and 559: TABLE 5.358 SUMMARY OF WATER QUALIT

Page 560 and 561: n.\holden\draR Rnal r1rpt\S-5\tabIe

Page 562 and 563: TABLE 5.4-1 SUMMARY OF RI GROUNDWAT

Page 564 and 565: TABLE 5.4-1 SUMMARY OF Rl GROUNDWAT

Page 566 and 567: TABLE 5.4-2 SUMMARY OF RI SEEPAGE W

Page 568 and 569: TABLE 5.4-2 SUMMARY OF R1 SEEPAGE W

Page 570 and 571: TABLE 5.4-2 SUMHAW OF RI SEEPAGE WA

Page 572 and 573: TABLE 5.43 HlSTORlCAL SUMMARY OF GR

Page 574 and 575: TABLE 5.4-4 HISTORICAL SUMMARY OF S

Page 576 and 577: TABLE 5.44 HISTORICAL SUMMARY OF SE

Page 578 and 579: TABLE 5.44 HISTORICAL SUMMARY OF MI

Page 580 and 581: TABLE 5.5-1 SUMWRY Of HISlORlcbl DA

Page 582 and 583: TABLE 5.5-2 SUMMARY OF FALL 1998 SE

Page 584 and 585: TABLE 5.61 SUWAARY OF 1997 FERRICRE

Page 586 and 587: D.7 D.8 SOURCE: Base map informatio

Page 588: Scale in Feet Irene Lode Figure 5.2

Page 593 and 594: i i Wilderness i I i I i I P.J i i

Page 595 and 596: Date -+-- Discharge (cfs) 4'- ~lumi

Page 597 and 598: DAMES & MOORE A oAW 6 MooRE GROUP C

Page 599 and 600: -+- pischarge (cfs) I t hardness 1

Page 601 and 602: -I Job NO. 17693-005-01 9 .----. Ma

Page 603 and 604: 160 -.- May-Zinc --- September-Zinc

Page 606: SOURCE: Base map infomtim horn USFS

Page 609: D.8 D. 9 E.0 ..... E.2 E.3 E.4 a D.

Page 613 and 614: SOURCE. Base map information frwn U

Page 620: SOURCE: Base map inlomtim frwn USFS

Page 631: SOURCE: Base map inlbrmatim from US

Page 636 and 637: Approximate Scale in Feet DAMES & M

Page 638 and 639: LEGEND -- -A O Ferr~crete, floccule

Page 640 and 641: Subsection 6.4 presents general Sit

Page 642 and 643: .LXOdW RI WNId W@Md 11:V:6661 'LZ A

Page 644 and 645: snowmelt on the adjacent valley slo

Page 646 and 647: 1XCH3d Ill I V N U ~ I l:O!6661 b ~

Page 648 and 649: 63.1.1 Sulfide Mineral Oxidation Th

Page 650 and 651: a IXOdIM Ill WW UVXCI%M 11:P!6661 '

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

Page 689 and 690: Upstream of the tailings piles, sig

Page 691 and 692: Source controls reflect the differe

Page 693 and 694: a. H:\Holden\Draft TABLE 6.0-1 KEY



Page 699: i V'6 SZP C0'0 pea? t-38~0 sfiw i18

Page 702 and 703: Table 6.64 Loadlng Calculations - A

Page 704 and 705: Job NO. 17693-005-01 9 Draft Final

Page 707 and 708: 1500 Ventilator Portal (Elev. 3454)

Page 709 and 710: Job NO. 17693-005-019 - - - - LEGEN

Page 711 and 712: SOURCE: SRK Oxidant I 2+ H+ SO 2+ +

Page 713: SOURCE: SRK DWVES & MOORE A oAW 6 M

Page 716: SOURCE: SRK Trace elements are co-p

Page 719 and 720: J O NO. ~ 17693-005-019 10000 -f 0

Page 721 and 722: DAMES & MOORE A DAMES 6 MOORE GROUP

Page 723 and 724: 10 -1: - I e@ i ! 1 I 1 -1 i --- I

Page 725 and 726: I * pi-- Tailings Pile 1 Tailings P

Page 728 and 729: DAMES & MOORE A DAMES a MOORE GROUP

Page 730 and 731: DAMES & MOORE A DAMES 6 MOORE GROUP

Page 732 and 733: SOURCES: SRK H Flushing Reduced Som

Page 734 and 735: SOURCES: SRK 'nfi""On Limited Air M

Page 736 and 737: Figure 6.5-5 DAMES & MOORE 1997 POR

Page 739 and 740: SOURCE: Base map information from U

Page 741 and 742: SOURCE: SRK Oxidation limit Mn++ Fe

Page 743: Direct Precipitation IXMES & MOORE

Page 746 and 747: Infiltration of Snowmelt and Interm

Page 748 and 749: Notes: Water Runon and Direct Preci

Page 750 and 751: Surface Water Runon and Direct Prec

Page 752 and 753: SOURCE: SRK L DAMES ,& MOORE A DAME

Page 754 and 755: SOURCE: SRK 10 -i DAMES & MOORE + H

Page 756 and 757: (* 6.0 TRANSPORT AND FATE OF COMPOU

Page 758 and 759: 1 I .J Quartz-rich layeis of 40 per

Page 760 and 761: Crystalline crusts were observed in

Page 762 and 763: I ( 4. -.- h .*, Evidence of signif

Page 764 and 765: Predicted saturation indices (SI) f

Page 766 and 767: Another iron sulfide mineral at the

Page 768 and 769: . .. . .I.- ..9 6 If water flow is

Page 770 and 771: pH Control on Precipitation~Dissolu

Page 772 and 773: summer. Efflorescence occurs when w

Page 774 and 775: 6.4.1 Evidence of Iron Sulfide Mine

Page 776 and 777: to the underground mine workings, r

Page 778 and 779: The pH to copper relationship (Figu

Page 780 and 781: 6.5.1 Air and Water Movement Associ

Page 782 and 783: .._/ not originating from the under

Page 784 and 785: ,' sulfate discharged from the port

Page 786 and 787: decreases also, aiding in the disso

Page 788 and 789: .: ._..I $ . .,'. Seasonal s , - We

Page 790 and 791: . ., Miring of Seeps with Railroad

Page 792 and 793: through diffusion. This is indicate

Page 794 and 795: MlNTEQA2 indicates that the seep wa

Page 796 and 797: In order to. provide comparative fl

Page 798 and 799: main source of zinc load (82 percen

Page 800 and 801: ,:..' -- . source areas was estimat

Page 802 and 803: Monitoring of seeps from drill hole

Page 804 and 805: ,' .... . control and buffering by

Page 806 and 807: , ; . ..' , . .. .. -. . ..&. .< .

Page 808 and 809: -- (i,e., portal drainage) for cadm




Page 816 and 817: T.bk abi Losding WNlatlons - R d W

Page 818 and 819: TABLE 6.6-3 LOADING CALCULATIONS -

Page 820 and 821: J O NO. ~ 17693-005-019 Draft Final

Page 824 and 825: Approximate -1 % Grade for 15OPLeve

Page 826 and 827: LEGEND SP14 Seep sample location P-

Page 828 and 829: Oxidant I ZnS H20 (transport mechan

Page 830: Figure 6.3-4a I SOURCE: SRK Figure

Page 835 and 836: 0 RC 1 0 RC4 A RC7 X RC2 0 RC5 Tail

Page 837 and 838: 0 RC 1 0 RC4 A RC7 X RC2 0 RC5 Tail

Page 839 and 840: 0 RC 1 RC4 A RC7 X RC2 0 RC5 Tailin

Page 841 and 842: 1000 -: 0 RC 1 RC4 A RC7 X RC2 0 RC

Page 843: P A DAMES MOORE GROUP COMPANY ' + 0

Page 846 and 847: I ARC7 XRC 2 I I ORC5. Tailings Pil

Page 848 and 849: ORC 1 ORC 4 ARC 7 XRC2 ORC 5 Tailin

Page 850: SOURCES: SRK Northwest Geophpysrcal

Page 853 and 854: Date Figure 6.5-5 DAMES & MOORE 199

Page 855 and 856: . . . . . . . . . . . . . . . . . .

Page 857 and 858: 0 Acidity Addition Water Runon end

Page 859: SOURCE: SRK Oxidation limit Mn++ Fe

Page 862 and 863: In~Vtratim to Grwndwater . Base of

Page 864: Note: Some flow lost into plane of

Page 868: Approximate Scale in Feet SOURCE: O

Page 871 and 872: SOURCE: SRK 1 L 'i +- Holden P-5 (B

Page 873 and 874: 7.0 BASELINE RISK ASSESSMENT Both a

Page 875 and 876: 7.1.1.2 Site-Specific Human Health

Page 877 and 878: Surface Water Historic and 1997-199

Page 879 and 880: environment. IHSs were selected for

Page 881 and 882: Railroad Creek can be utilized by v

Page 883 and 884: Exposure Routes expected to be redu

Page 885 and 886: and the USFS guard station. Holden

Page 887 and 888: No Method A levels are available fo

Page 889 and 890: 7.133 Screening Level Evaluation of

Page 891 and 892: they are not expected to present an

Page 893 and 894: Sediment Railroad Creek and Site Hi

Page 895 and 896: the ventilator portal drainage is n

Page 897 and 898: are based on different mechanistic

Page 899 and 900: Selection of.Target Risk and Hazard

Page 901 and 902: Noncarcinogens: Inhalation of Air w

Page 903 and 904: where: PEF = Particulate emission f

Page 905 and 906: arsenic in the USFS guard station s

Page 907 and 908: Use of toxicity criteria (CPFs and

Page 909 and 910: 7.1.5.4 Surface Water and Fish Surf

Page 911 and 912: identify dismbutions of compounds o

Page 913 and 914: most abundant species in Railroad C

Page 915 and 916: mechanisms, PCOCs originating from

Page 917 and 918: copper, lead, and zinc is shown in

Page 919 and 920: Measurement Endpoints Measurement e

Page 921 and 922: to the extrapolation to low hardnes

Page 923 and 924: concentration that contains the bio

Page 925 and 926: Lupinus bicolor, and Trijolium praf

Page 927 and 928: Although certain benthic invertebra

Page 929 and 930: estimated from the available liver

Page 931 and 932: of between a low of 34 ha. for does

Page 933 and 934: Little Brown Bat The little brown b

Page 935 and 936: Since none of the UCL concentration

Page 937 and 938: , Hazard quotients for osprey consu

Page 939 and 940: appropriate metric for protection o

Page 941 and 942: Table 7.2.4-1 1A shows that red-tai

Page 943 and 944: 7.2.5 SOURCES OF UNCERTAINTY Limita

Page 945 and 946: laboratory studies to field exposur

Page 947 and 948: I I tailings piles difficult. Likew

Page 949 and 950: other mine sites where plants &re s

Page 951 and 952: TABLE 7.0-1 . KEY OF SITE FEATURES



Page 957 and 958: ' TABLE 7.18 STATISTICAL ANALYSJS A

Page 959 and 960: TABLE 7.14 STAnSTlCAL EVALUATION AN

Page 961 and 962: TABLE 7.14 STATISTICAL EVALUATION A

Page 963 and 964: TABLE 7.14 STATISTICAL EVALUATION A

Page 965 and 966: TABLE 7.14 COMPARISON OF SEDIMENTAR

Page 967 and 968: H:Wolden\Drafl final ri rpt\S-7\Hhr

Page 969 and 970: TABLE 7.14 SURFACE WATER AREA BACKG

Page 971 and 972: H.Wolden\drafl final rirpt\S-7WhraU

Page 973 and 974: TABLE 7.1-E SURFACE WATER AREA BACK

Page 975: TABLE T.1-F STATISTICAL ANALYSIS AN

Page 978 and 979: TABLE 7.1 -F STATISTICAL ANALYSIS A

Page 980: H.Wolden\dratl hnal rirpnsrpns7Whra

Page 983 and 984: TABLE 7.10 STATISTICAL ANALYSIS AND


Page 987 and 988: TABLE 7.144 STATISTICAL ANALYSIS AN


Page 991 and 992: TABLE 7.144 STATISTICAL ANALYSIS AN

Page 993 and 994: Xluo sanlm pawlap uo paseq aJe suo!

Page 995 and 996: TABLE 7.14 STAllSllCM ANALYSIS AND

Page 997 and 998: TABLE 7.1 J MSTORKM AJR MONITORING

Page 999 and 1000: TABLE 7.1-1 AREA AND NATURAL BACKGR

Page 1002 and 1003: TABLE 7.1-4 TOXICITY CRITERIA AND B

Page 1004 and 1005: TABLE 7.14 HUMAN HEALTH SCREENING O

Page 1006 and 1007: TABLE 7.14 HUMAN HEALTH SCREENING O

Page 1008 and 1009: TABLE 7.1-10 HUMAN HEALTH SCREENING


Page 1013 and 1014: TABLE 7.1-15 HUMN HEALTH SCREENING



Page 1019 and 1020: TABLE 7.1 -21 HUMAN HEALTH SCREENIN




Page 1027 and 1028: TABLE 7.1-29 HUMANHEALTHSCREENINGOF

Page 1029: TABLE 7.1-31 HUMAN HEALTH SCREENING


Page 1034 and 1035: TABLE 7.1-36 EXPOSURE PATHWAYS AND

Page 1036 and 1037: TABLE 7.1 -38 TOXICITY CRITERIA AND

Page 1038 and 1039: TABLE 7.1.40 SITE-SPECIFIC METHOD C

Page 1040 and 1041: TABLE 7.142 CALCUIATION OF CANCER R

Page 1042 and 1043: Constituent Aluminum Arsenic Acute

Page 1044 and 1045: Constituent Chromium Copper Acute T

Page 1046 and 1047: Constituent Selenium Zinc Gasoline

Page 1048 and 1049: TABLE 7.2.2-1A STATISTICAL ANALYSIS

Page 1050 and 1051: H.\Holden\Draft final ri rpt\S_7\ec

Page 1052 and 1053: TABLE 7.2.2-162 STATISnCAL ANALYSIS

Page 1054 and 1055: TABLE 7.2.2-1C COMPARISON OF TOTAL

Page 1056 and 1057: TABLE 7.2.2-1C =b COMPARISON OF SED

Page 1058 and 1059: 'a TABLE I 7.2.2-1D SUMMARY OF RI F

Page 1060 and 1061: TABLE 7.2.2-1E STATISTICAL ANALYSIS

Page 1062 and 1063: TABLE 7.2.2-1F STATISTICAL ANALYSIS



Page 1068 and 1069: TABLE 7.22-1G STATISTICAL ANALYSIS

Page 1070 and 1071: TABLE 7.22-10 STAT~SMAL ANALYSIS AN

Page 1072 and 1073: - - -. TABLE 7.2.2-1H STATISTICAL A

Page 1074 and 1075: TABLE 7.2.2-1H STATISTICAL ANALYSIS

Page 1076 and 1077: TABLE 7.2.2-1 H STATISTICAL ANALYSI

Page 1078 and 1079: TABLE 7.2.2-1H STATISTICAL ANALYSIS

Page 1080 and 1081: TABLE 7.2.2-2 (CONTINUED) SPECIES O

Page 1082 and 1083: TABLE 7.2.2-4 SUMMARY OF REPRESENTA

Page 1084 and 1085: TABLE 7.2.3-1B RESULTS OF PEER-REVI

Page 1086 and 1087: TABLE 7.2.3-2B RESULTS OF PEER-REVI

Page 1088 and 1089: TABLE 7.2.3-3B SOIL CONCENTRATIONS

Page 1090 and 1091: , TABLE 7.2.3-4B TOXICITY REFERENCE

Page 1092 and 1093: " Metal C Atscnic Cadmium Copper Le

Page 1094 and 1095: TABLE 7.2.3-8 DOSES TO OSPREY CONSU

Page 1096 and 1097: Biota Plants Cd Cu Pb Zn Earthworms

Page 1098 and 1099: TABLE 7.2.3-12 DOSES TO MULE DEER H

Page 1100 and 1101: TABLE 7.2.3-14 DOSES TO MINK CONSUM

Page 1102 and 1103: TABLE 7.2.3-16 DOSES TO RED-TAILED

Page 1104 and 1105: TABLE 7.2.3-18 DOSES TO BAT HOLDEN

Page 1106 and 1107: TABLE 7.2.4-2a HAZARD QUOTIENTS FOR

Page 1108 and 1109: TABLE 7.2.4-2D a HAZARD QUOTIENTS F

Page 1110 and 1111: TABLE 7.2.4-4 HAZARD QUOTIENTS FOR



Page 1116 and 1117: TABLE 7.2.4-10a HAZARD QUOTIENTS FO

Page 1118 and 1119: TABLE 7.2.4-12a HAZARD QUOTIENTS FO

Page 1120 and 1121: TABLE 7.2.4-14 HAZARD QUOTIENTS FOR

Page 1122 and 1123: Figure 7.0-2 HDA~VE~~LMOORE RAILROA

Page 1124 and 1125: I SOURCE RELEASE EXPOSURE . MECHANI

Page 1126 and 1127: MEDIA FIGURE 7.1-3 FLOW CHART ILLUS

Page 1128 and 1129: I I 8.1 INTRODUCTION 8.0 DISCUSSION

Page 1130 and 1131: 8.2.2 Geology 8.2.2.1 Railroad Cree

Page 1132 and 1133: The bedrock in the mine has been ma

Page 1134 and 1135: Railroad Creek and Copper Creek. Th

Page 1136 and 1137: where Railroad Creek flows directly

Page 1138 and 1139: A 500-year event was not analyzed,

Page 1140 and 1141: i flow associated with two seeps ad

Page 1142 and 1143: Western Portion of Site Undermound

Page 1144 and 1145: native soil is of higher permeabili

Page 1146 and 1147: Macroinvertebrate sampling included

Page 1148 and 1149: Above Tenmile Creek Confluence (RC-

Page 1150 and 1151: Reference Reaches - Stehekin River

Page 1152 and 1153: 3 during the 1997 investigation ind

Page 1154 and 1155: Subsurface Soils Cadmium, copper, a

Page 1156 and 1157: Station' RC-4 RC-7 RC-2 RC-5 RC-10

Page 1158 and 1159: 8.3.4.1 Western Portion of Site Dur

Page 1160 and 1161: 0 mine, Honeymoon Heights, the wast

Page 1162 and 1163: I . During The water from the west

Page 1164 and 1165: a The Copper Creek diversion accoun

Page 1166 and 1167: 8.5.2.1 Trout An intem~ediate poten

Page 1168 and 1169: i SOURCE: Walten et al., 1992 USGS


Page 1172 and 1173: NOTE: This cross section is general

Page 1174 and 1175: D.7 D. 8 D. 9 E.0 SOURCE: Base map

Page 1176 and 1177: 9.2.2 Site Surface WaterIGroundwate

Page 1178 and 1179: 9.2.4.1 Portal Drainage The chemica

Page 1180 and 1181: Groundwater discharge from the tail

Page 1182 and 1183: The combined results of the ERA and

Page 1184 and 1185: 9.2.11 . Winston Home Sites Fuel St

Page 1186 and 1187: SOURCE: USGS Topographic Map, State


Page 1191 and 1192: 10.0 PROJECT SCHEDULE The, schedule

Page 1193 and 1194: I ATSDR. 1990. Toxicological profil

Page 1195 and 1196: Dames & Moore, 1998b. Phase I11 Rem

Page 1197 and 1198: Ebbutt,%F. 1956. Letter Report to V

Page 1199 and 1200: ';i 1 Products, Shale-oils and Soot

Page 1201 and 1202: Leland, H.V. and J.L. Carter. 1984.

Page 1203 and 1204: I Pacific Northwest Laboratory. 199

Page 1205 and 1206: Seed, H.B., Idriss, I.M. and Arango

Page 1207 and 1208: U.S. EnvirOnmcntal Protection Agenc

Page 1209 and 1210: U.S.n.>.,. .F(zxli,st S::a;ice.. 19

Page 1211: l#e~ehat~ihi& ~ati'onsi '~ol'c!en.~

Page 1214 and 1215: 7 MEMORANDUM Date: To: From: Subjec

Page 1216 and 1217: INORGANICS ANALYSIS DATA SHEET Samp


Page 1220 and 1221: G CHAIN-OF-CUSTODY RECORD WHITE COP

Page 1222 and 1223: June 15, 1998 Surface Water, May 19




Page 1230 and 1231: I INORGANICS ANALYSIS DATA SHEET TO

Page 1232 and 1233: INORGANICS ANALYSIS DATA SHEET Synp


Page 1236 and 1237: INORGANICS ANALYSIS DATA SHEET TOTA

Page 1238 and 1239: - INORGANICS ANALYSIS DATA SHEET Sa





Page 1248 and 1249: TOTAL METALS Lab Sample ID: W219AH

Page 1250 and 1251: INORGANICS ANALYSIS DATA SHEET - DI

Page 1252 and 1253: INORGANICS ANALYSIS DATA SHEET DISS

Page 1254 and 1255: INORGANICS 'ANALYSIS DATA SHEET Sam










Page 1274 and 1275: IKOXGANICS ANALYSIS DATA SHEET Lab

Page 1276 and 1277: Final Report Laboratory Analysis of


Page 1280 and 1281: QA Report - Method Blank Analyeis Q

Page 1282 and 1283: QA Report - Matrix Spike/~atrix Spi

Page 1284 and 1285: QA Report - Standard Reference Mate

Page 1286 and 1287: @ TOTAL GASOLINE RANGE HYDROCARBONS

Page 1288 and 1289: TOTAL DIESEL RANGE HYDROCARBONS WA

Page 1290 and 1291: CHAIN-OF-CUSTODY RECORD , > >~LINQU


Page 1294 and 1295: Sample No: RC-2 Lab .Sample ID: W21

Page 1296 and 1297: @ QA Report - Replicate Analysis QC

Page 1298 and 1299: QA Report - Laboratory Control Samp

Page 1300 and 1301: TOTAL GASOLINE RANGE HYDROCARBONS w

Page 1302 and 1303: TOTAL DIESEL RANGE HYDROCARBONS TPH

Page 1304 and 1305: CHAIN-OF-CUSTODY RECORD WHITE COPY-


Page 1308 and 1309: June 8,1998 Seep and Portal, May 19

Page 1310 and 1311: June 8, 1998 Seep and Portal, May 1

Page 1312 and 1313: 1 DISSOLVED METALS Lab Sample ID: W






Page 1324 and 1325: I a INORGANICS ANALYSIS DATA SHEET



Page 1330 and 1331: .I.V. Lots 869-6 and 867-12 Lab Sam

Page 1332 and 1333: INORGANICS ANALYSIS DATA SHEET DISS

Page 1334 and 1335: TOTAL METALS Lab Sample ID: W222C L

Page 1336 and 1337: METALS ANALYSIS DATA SHEET DISSOLVE

Page 1338 and 1339: Sample No: P-1 Lab Sample ID: W222A

Page 1340 and 1341: Sample No: VP-1 Lab Sample ID: W222


Page 1344 and 1345: Final Report Laboratcrf Analysis of

Page 1346 and 1347: Final Report Laboratory Analysie of

Page 1348 and 1349: 4D QA Report - Replicate Analysis Q

Page 1350 and 1351: e QA Report - Laboratory Control Sa

Page 1352 and 1353: Sample No: SP-27 Lab Sample ID: W26

Page 1354 and 1355: QC Report No: W264-Dames & Moore Ma


Page 1360 and 1361: a,, MEMORANDUM Date: June 8,1998 To

Page 1362 and 1363: June 8, 1998 Equipment Blank, May 1



Page 1368 and 1369: MEMORANDUM Date: June 15,1998 To: R

Page 1370 and 1371: . June 15,1998 Low Level Lead, May

Page 1372 and 1373: " QC Summary for Dames and Moore Re

Page 1374 and 1375: I fa I / - Froi~tler Geosciences In

Page 1376 and 1377: Date: To: From: Subject: June 25, 1

Page 1378 and 1379: June 25, 1998 Ventilator Portal, Ju


Page 1382 and 1383: . Lab ' INORGANICS ANALYSIS DATA SH


Page 1386 and 1387: December 1 1, 1998 Sediment Data, F

Page 1388 and 1389: December 1 1, 1998 Sediment Data, F




Page 1396 and 1397: ' INORGANICS ANALYSIS DATA SHEW Sam


Page 1400 and 1401: e. INORGANICS ANALYSIS DATA SHEET S




Page 1408 and 1409: INORQANICS ANALYSIS DATA SHEET Samp

Page 1410 and 1411: @ INORGANIC ANALYSIS DATA SHEET TOT

Page 1412 and 1413: INORGANICS ANALYSIS DATA SHBBT Samp


Page 1416 and 1417: a Final Report Laboratory Analysis

Page 1418 and 1419: 0 Final Report Laboratory Analysie

Page 1420 and 1421: a - Final Report Laboratory Analyei

Page 1422 and 1423: Final Report Laboratory Analyeis of

Page 1424 and 1425: a; Organic 3. - ., Final Report Lab

Page 1426 and 1427: -. Final Report Laboratory Analysis

Page 1428 and 1429: Final Report Laboratory Analyeis of

Page 1430 and 1431: Final Report Laboratory Analyeie of

Page 1432 and 1433: , @: Final Report Laboratory Analys

Page 1434 and 1435: : QA Report - Method Blank Analyeie

Page 1436 and 1437: QA Report - Matrix Spikq/Matrix Spi

Page 1438 and 1439: Data Release Authorized: Reported:

Page 1440 and 1441: Rosa Environmental and ~eechnlcal L

Page 1442 and 1443: ROSA ENVIRONMENTAL & GEOTECHNICAL L

Page 1444 and 1445: 4 ROSA ENVIRONMENTAL & GEOTECHNICAL


Page 1448 and 1449: f ROSA ENVIRONMENTAL & GEOTECHNICAL



Page 1454 and 1455: ROSA ENVIRONMENTAL 8 GEOTECHNICAL L

Page 1456 and 1457: -1m , ROSA ENVIRONMENTAL 8 GEOTECHN

Page 1458 and 1459: ROSA ENVIRONMENTAL.& GEOTECHNICAL L

Page 1460 and 1461: -. JII I I ROSA ENVIRONMENTAL & GEO

Page 1462 and 1463: Matrlx I 1 Chain of Custody Record

Page 1464 and 1465: main ot ~ustody Record Lake Washing

Page 1466 and 1467: Chain of Custody Record 5 Parametrl

Page 1468 and 1469: July 2, 1999 Sediment Data, Fall 19

Page 1470 and 1471: INORGANICS ANALYSIS DATA SKBBT Samp

Page 1472 and 1473: MEMORANDUM Date: December 8, 1998 T

Page 1474 and 1475: 1 Dccember 8, 1998 Background Soil

Page 1476 and 1477: I INORGANICS ANALYSIS DATA SHEET Sa

Page 1478 and 1479: * INORGANICS ANALYSIS DATA SHEET Sa


Page 1482 and 1483: a , INORGANICS ANALYSIS DATA SHEET

Page 1484 and 1485: ' @, INORGANICS ANALYSIS DATA SHEET





Page 1494 and 1495: 0 INORGANICS ANALYSIS DATA SHEET Sa

Page 1496 and 1497: 0 INORGANICS ANALYSIS DATA SHEET Sa


Page 1500 and 1501: ' 0 INORGANICS ANALYSIS DATA SHEET

Page 1502 and 1503: INORGANIC ANALYSIS DATA SHEET ' TOT

Page 1505 and 1506: CHAIN-OF-CUSTODY RECORD >*" WHITE C

Page 1507 and 1508: December 8, 1998 Lagoon Soil Sample

Page 1509 and 1510: December 8, 1998 Lagoon Soil sample











Page 1531 and 1532: DAMES & MOORE . A DAMES a MOORE GRo

Page 1533 and 1534: G:\WPDATA\OOS\REPORTSWOLDEN-2WTable

Page 1535: lnlilling - Emer qpqwktc a&r&iax fm

Page 1539 and 1540: ROCK SRUCTURAL DATA FIELDSHEET JOB

Page 1541 and 1542: ; Comparisons RC-1' RC-4" IogRC-1'

Page 1543 and 1544: G:\WPDATA\OOJ\REPORTSWOLDEN-ZWTable

Page 1545 and 1546: ' AXA WSECTA Capni idee Despaxia au

Page 1547 and 1548: WCROINVERTEBRATE DENSITY CLIENT: DA

Page 1549 and 1550: 'MA Capni idae Dormria baunerni Meg

Page 1551 and 1552: MCROINVERTEBRATE DENSITY CLIENT: DA

Page 1553 and 1554: UCROINVERTEBRATE DENSITY CLIENT: DA

Page 1555 and 1556: MACROINVERTEBRATE DENSITY CLIENT: D

Page 1557 and 1558: m TR'CHOPTEiU lUCROlNVERTEBRATE DEY

Page 1559 and 1560: Dugesfa sp. Polycelis cormeta Mid.

Page 1561 and 1562: MACROINVERTEBRATE DENSITY CLIENT: O

Page 1563 and 1564: Vial Number Order Taxa Site E-8 Eph

Page 1565 and 1566: Slide Number DM 1097- 1 DM 1097- 1

Page 1567: @ August 11,1997 Linda Krippner Dam

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