Dames & Moore, 1999 - USDA Forest Service

13.01.2013 Views
' 0 INORGANICS ANALYSIS DATA SHEET TOTAL METALS Sample Nor Method Blank Lab Sample ID: Y962MB QC Report No: Y962-Dames & Moore LIMS ID: 98-21911 Project: Holden Mine Matrix: Soil 17693-005-019 Date Sampled: NA Received: NA Data Release Authorize Reported: 11/17/98 Percent Total Solids: NA ANALYTICAL RESOURCES INCORPORATED Prep Prep Analysis Analysis Meth Date Method Date CAS Number . Analyte RL mg/kg-dr~ U Analyte undetected at given RL RL Reporting Limit FORM-I Aluminum Arsenic Barium Beryllium Cadmium Calcium Chromium Copper Iron' Lead Magnesium Manganese Molybdenum Nickel Potassium Silver Sodium Thallium Uranium Zinc

INORGANICS ANALYSIS DATA SHEET Sample Nor STD REFERENCE ERA Lot 239 Lab Sample ID: Y962-SRM QC Report No: Y962-Dames & Moore LIMS ID: 98-21911 Project : Holden Mine Matrix: Sediment 17693-005-019 Date Sampled: NA Date Received: NA Data Release Authorized: Reported: 11/17/98 Certified Advisory Analy te mg/kg-dry Value Range Aluminum Arsenic Barium Beryllium Cadmium Calcium Chromium Copper Iron Lead Magnesium Manganese Molybdenum Nickel Potassium Silver Sodium Thallium Zinc FORM-VII ANALYTICAL RESOURCES INCORPORATE 'D

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 1356 and 1357: QA Report - Standard Reference Mate


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 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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