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1 Dccember 8, 1998 Background Soil Data, Fall 1998, Holdcn Mine Page 3 recovery (52.6%) in the SRM associated with samples DMBG-11, DMBG-12, DMBG-13, DMBG-14, DMBG-15, DMBG-16, DMBG-17, DMBG-18, and DMBG-19 was below the typical LCS control limits of 80 to 120%. However, the recovery was within the advisory range published by the supplier. Uranium was inadvertently omitted from SRM or LCS analysis. Data qualifiers were not assigned to aluminum or calcium results as the recoveries from the SRM were within published advisory ranges. Uranium results were not qualified as the associated matrix 1 spike results were acceptable. I 9. Laboratory Duplicate Sample A laboratory duplicate was performed on sample DMBG-10. The relative percent difference for chromium was 26.6 %, above the method criteria of 20%. Chromium results reported above the detection limit in associated samples are qualified as estimated and flagged "J" accordingly. Results reported as not detected do not require qualification. Associated samples include DMBG-1, DMBG-2, DMBG-3, DMBG-4, DMBG-5, DMBG-6, DMBG-7, DMBG-8, DMBG-9, DMBG-10, and DMBG-1 OX. 1 A laboratory duplicate was performed'on sample DMBG-16. The relative percent difference for I manganese was 20.8%, slightly above the method criteria of 20%. Manganese results reported above the detection limit in associated samples are qualified as estimated and flagged 'J" accordingly. Results 1 reported as not detected do not require qualification. Associated samples include DMBG-11, DMBG-12, DMBG-13, DMBG-14, DMBG-15, DMBG-16, DMBG-17, DMBG-18, and DMBG-19. i 1 @ 10- Field Duplicate - Acceptable .F. 1 .#*.. 1 ' , 11. Matrix Spike I A field duplicate .for DMBG-10 was submitted and labeled DMBG-1OX. Duplicate results were comparable to the original sample results. A matrix spike was performed on sample DMBG-10. The recovery for iron (47.4%) was outside of the control limits (75-125%). The concentration of iron (10,400 mglkg) in the sample exceeded the spiking concentration by greater than 4X. Data qualification was not required. A matrix spike was performed on sample DMBG-16. The recovery for aluminum (199%), iron (181%), and manganese (137%) were outside of the method control limits (75-125%). The concentration of aluminum (11,200 mglkg), iron (10,500 mglkg), and manganese (1,160 mglkg) in the sample exceeded the spiking concentration by greater than 4X. Data qualification was not required. I 12. Graphite Furnace Atomic Absorption QC - Acceptable 13. ICP Serial Dilution (ICP analysis only) - Acceptable 1 14. Detection Limits - Acceptable 15. Type of Review - Summary . 16. Overall Assessment of Data The usefulness of the data is based on EPA guidance documents listed above. Upon consideration of the information presented above, the data are acceptable except where flagged with data qualifiers that modify the usefulness of the individual values. I g:/holden/l998/datavallvalY962.doc DAMES & MOORE
December 8, 1998 Background Soil Data, Fall 1998, Holden Mine Pagc 4 Data Qualifiers U The analyte was analyzed for, but was not detected above the reported sample quantitation limit. J The analyte was positively identified; the associated numerical value is the approximate concentration of the analyte in the sample. UJ The analyte was not detected above the reported sample quantitation limit. However, the reported quantitation limit is approximate and may or may not represent the actual limit of quantitation necessary to accurately and precisely measure the analyte in the sample. R The sample results are rejected due to serious deficiencies in the ability to analyze the sample and meet.quality control criteria.. The presence or absence of the analyte cannot be verified. DAMES & MOORE
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I DAMES & MOORE A DAMES & MOORE GRO
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DAMES & MOORE .. A DAMES 8 MOORE GR
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INTRODUCTION The olden Mine was ope
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The Forest Service implemented site
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Remainder of Year - After the sprin
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' Water Portal Drainage quality mea
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Groundwater discharge from the tail
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Trout An intermediate potential ris
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Windblown Tailings Material The ero
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Lucerne Bar Sampling Additional sed
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3.0 REMEDIAL INVESTIGATION METHODOL
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... 5.3 SURFACE WATER .............
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8.3.3 Surface Water ...............
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Table 4.6-3A - Table. 4.6-4 - Table
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Table 7.1-1 - Table 7.1-5 - Table 7
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Table 7.2.4-2D - Table 7.2.4-3 - Ta
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Figure 4.2-2 - Figure 4.2-3 - Figur
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Figure 5.3-9 - Figure 5.3-10 - Figu
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Figure 6.5-9 - Figure 6.5-10 - Figu
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ACRONYM AND ABBREVIATION GLOSSARY @
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1.0 INTRODUCTION The .Holden Mine i
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sediment reference location" includ
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Volumes 11,111. and IV Section 4.0
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. . . . .................. ........
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2.1 SITE DESCRIPTION The Holden Min
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~:\wpdaca\005\rc~o~iol&n-2~i~-0.dae
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2.5 SUMMARY OF ISSUES OF POTENTIAL
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G:\tupdata\005\repomUloldm-t\riU-O.
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1986 1988 1988 1989 Science Applica
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piemmeter water samples as Service.
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G:\~at~\00SLeporuUIoIden-2~V4.d0~ 1
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SOURCE: Wtem et al., 1992 USGS Chda
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3.0 REMEDIAL INVESTIGATION METHODOL
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wilderness boundary with the intent
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The test pits were excavated utiliz
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were transferred to AutoCAD maps of
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3.2.1 Streamflow Suweys Streamflow
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Site. Samples collected for dissolv
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' chromium, copper, iron, lead, mag
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elevated metals based on field scre
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Wolman pebble counts), occurrence a
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Assessment by Mining Consultant The
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discussions of the 1992 data have n
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VelocityDepth - influences benthic
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To the extent practical, electrosho
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Proportion of individuals as top ca
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provide adequate data to cany forwa
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3.1 1 TASK 11 - DATA EVALUATION 3.1
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3.11.4.2 Two-Dimensional Groundwate
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TABLE 3.0-1 KEY OF SITE FEATURES 8
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TABLE 3.0-1 KEY OF SITE FEATURES 8
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TABLE 3.0-1 KEY OF SITE FEATURES 8
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TABLE 3.2-1 ANALYTICAL PROGRAM FOR
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TABLE 3.2.2 ANALYnCAL PROORAM FOR G
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TABLE 1.24 ANALYTICAL PROGRAM FOR G
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TABLE 3.24 ANALmCAL PROORAM FOR GRO
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SOURCE: USGS Topographic Map, State
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- Figure 3.0-3 DAMES & MOORE HOLDEN
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Figure 3.1-2 DAMES & MOORE ! RI SOI
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Fill (2) Vent (1) SOURCE: Base map
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SOURCE: Base map information from U
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SOURCE: WIteffi et a/., 1992 USGS C
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DAMES & MOORE Figure 3.4-2 FLOCCULE
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i I i .4 i ,i i i\ i '.\ i \ \ i I
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4.1.2 Site Surface Features Referri
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Hydroelectric Plant Electrical powe
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Water seepage emanates, in the spri
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'7 ~t the Site, approximately mid-w
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system delineated by ditches and re
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Section I-I' and shows the six tunn
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The uppermost stopes within the min
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make up the earth's surface. The st
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silver, and included 34,000 tons of
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strength was determined by Hart Cro
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gravels are variable in thickness a
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wetlands and adjacent to Railroad C
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Several faults have been mapped in
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the coefficient of Friction. Geomor
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The groundwater levels used for the
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Tailings pile 3 is situated near th
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vertical extent of the underground
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from the roof, then evaluating the
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4.2.8 Potential Borrow Source Areas
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for good quality riprap would neces
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May and June, which coincide with t
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Rating Calculations Referring to Ta
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with little or no braiding. Upstrea
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Discharge in Railroad Creek was mon
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model predicted a 100-year flood at
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The data logger, or transducer, was
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submerged at high water levels. Flo
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this, it is possible that the snow
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4.3.5 Basin Average Climatic Water
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surface erosional features provide
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* The D50 equation is obtained from
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effect of a 0.05-foot stage increas
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discussed in' Section 6.8.2 of this
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Observations During Aquatic snorkel
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covers limited portions of the Site
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Bedrock Bedrock underlies the entir
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high as 0.1 to 0.2 feet per foot (F
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Generalized Site-Wide Groundwater R
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4.4.3.5 Groundwater Uses Groundwate
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Reach 1 Since there are no observed
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evaluated on the basis of judgment
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and only started flowing afier seve
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interceptor ditches likely carry pr
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The inflow of groundwater in the fo
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Accuracy The accuracy of the bedroc
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aquifer from the portal drainage, o
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Reference Reaches RC-10. Railroad C
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accessed, including the RM-3 "Dan's
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The banks are relatively nonvegetat
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Ratio of Shredder Functional Feedin
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without scrapers and organisms requ
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present at RC-6, RC-I, RC-3, SFAC-I
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and stumps with bark piles surround
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Tailings Piles A flock of violet-gr
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4.6.3 Threatened or Endangered Spec
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Background Information Grizzly bear
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anadromous populations occurring in
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Creek drainage, they are more commo
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R16E S7). These species include an
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TABLE 4.1-1 KEY OF SITE FEATURES 8
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TABLE 4.1-1 KEY OF SITE FEATURES 8
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TABLE 4.1 -1 KEY OF SITE FEATURES 8
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Pitchblende Sericite Biotite Source
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TABLE 4.2-2a EROSION POTENTIAL RANK
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TABLE 4.2-4 RIP-RAP CONDITION RANKI
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TABLE 4.24 BORROW SOURCE EVALUATION
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TABLE 4.3-1 AVERAGE MONTHLY FLOW PE
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TABLE 4.33 AVERAGE MONTHLY POTENTIA
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TABLE 4.3& SURFACE WATER FIELD PARA
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TABLE 4.3da SURFACE WATER flELD PAR
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TABLE 4.3-5 MONTHLY STREAMFLOW AVER
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NA = not measured NF = no flow S =
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TABLE 4.34b AVERAGE MONTHLY WATER B
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Station RC- I RC-4 RC-9 Copper Cree
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Hydrostratigraphic Unit SoilIFill C
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TABLE 4.4-2 GROUNDWATER FIELD PARAM
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TABLE 4.4-2 GROUNDWATER FIELD PARAM
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TABLE 4.4-2 GROUNDWATER FIELD PARAM
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Stream Reach RC-4 to RC-7 RC-7 to R
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TABLE 4.4-6 RESULTS OF OCTOBER 1998
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Seep SP-8 was observed flowing in l
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TABLE 4.448 SEEPAGE FIELD PARAMETER
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TABLE 4.4- SEEPAGE FIELD PARAMETERS
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TABLE 4.4-9 REACH 1 SITE-SPECIFIC W
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Habitat Variable Stream Velocity an
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a TABLE 4.6-2A BENTHIC MACROINVERTE
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TABLE 4.6-2C DISTRIBUTION FIT FOR M
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TABLE 4.6-3 TROUT POPULATION ESTIMA
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Date September 9 September 10 Septe
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TABLE 4.6-6 . HERPETOFAUNA LIKELY T
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North-aspect Slope Sharp-shinned ha
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! I TABLE 4.6-10 MAMMAL SPECIES OBS
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CLIENT PRI VILECED AND CONFIDENTlA
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TABLE 4.6-13 U.S. FOREST SERVICE SU
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TABLE 4.6-15 SURVEY AND MANAGE SPEC
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. . ; SOURCE: Wen et al., 1992 ,, .
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SOURCE: Base mrlp information from
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____------ ---_ SOURCES: Base map i
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SOURCE: Base map information from U
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' Railroad Creek SOURCES: Northwest
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- Approximate f' Plan View Outline
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' DAMES LEGEND - Approximate extent
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- LEGEND Approximate extent of unde
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LEGEND ==s Approximate extent of un
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- E 2f W . E Volcanic Arc Cascadia
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,.' \ /- i \\ \ i i \ \..--A j \ /.
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DMES & MOORE Figure 4.2-6a HOLDEN M
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0.7 D.8 D. 9 E.0 E.l E.2 E.3 E.4 E.
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LEGEND Bedrock F WEST SOURCE: North
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G NORTH .- C u C al Alluvial rn Rew
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File: g:/l7693005mA-4st.slp Glacial
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3.24 3.23 X 3.22 w n 3.21 c .W 3.20
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DAMES & MOORE A aAMES & MOORE GROUP
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SOURCE: Base map inADrmatim from US
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Figure 4.2-21 d HOLDEN MINE SUBSIDE
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* r- Job DAMES & MOORE A DAMES 8 MO
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SOURCE: Golder and Associates, 1990
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SOURCE: Base nmp inlbnaficxl from U
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SOURCE: Wters et al., 1992 0 2.5 5
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D. 7 0.8 SOURCES: Base map informaf
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SOURCE: Base map inlbrmatim lrom US
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0.00 I I I I I I April May June Jul
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DAMES & MOORE A DAMES 6. MOORE GROU
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1.80 - 1 .. --.- -- 0.9 1.60 - ! Po
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Note: No data available for June 19
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: g ; . - . .... . -._. ........ .
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LEGEND ..-.-.-.-.- Freewater surfac
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SOURCE: Base map inlbrmation from U
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' D. 7 . 0.8 D. 9 E.0 E. 1 E.2 E.3
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C 0 % iil f 3192 - 3190 - 3188 3186
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, -.I p./ ,/' i i .\ i i i -.-. i '
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~ob NO. 1769300~019 Infiltration to
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Overland . Flow Areawest of Site Ov
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' SOURCE: Base map information from
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D. 9 E.0 E.2 E.3 E.4 0.7 SOURCE: Ba
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...... -.: - - ........... 3790 ,.-
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DRAFT FINAL Remedial Investigation
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(RAOs) section of the Feasibility S
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Page 427 and 428:
Also included in WAC 173-201A are p
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MTCA defines the methods and descri
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The historical data for samples col
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groundwater was encountered at appr
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were below MTCA levels with the fol
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sampling rounds, the field filter b
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Department of Ecology samples colle
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data sets where the total value was
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5.3.1.3 Summary Based on the statis
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adjacent to the Site were not neces
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RC-4 is located downstream of the p
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RC-2 is'located immediately downstr
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In May 1997, copper (21.5 pg5) in t
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Data collected from upstream statio
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of water exiting from the portal. S
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5.3.4.3 Historical Portal Drainage
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parameters did not indicate seasona
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The portal drainage was sampled at
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Page 463 and 464:
and sodium were not evaluated as th
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Page 465 and 466:
preliminary report 1997). Sample lo
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time frame. The concentration of ea
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5.4.2.4 Waste Rock Piies Seep sampl
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Seep data were compared to MTCA gro
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The data for seeps associated with
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in wells TP1- 1A. TPl-2A, TPI-3A, T
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5.4.2.8 Lucerne Well The well at th
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Ninemile Creek) with a correspondin
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During the mine reclamation activit
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TABLE 5.0-1 KM OF SITE FEATURES 8 M
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TABLE 5.0-1 KEY OF SITE FEATURES 8
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TABLE 5.0-1 KEY OF SITE FEATURES 8
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TABLE 5.2-1 SUMMARY OF RI SOlL ANAL
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TABLE 5.2-1 SUMMARY OF Rl SOIL ANAL
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TABLE 5.23 SUMMARY OF HISTORICAL SO
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Page 496 and 497:
TABLE 5.24 SUMMARY OF HISTORICAL TA
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TABLE 5.2-5 SUMMARY OF RI TAILINGS
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TABLE 5.2-6 POTENTIAL COMPOUNDS OF
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TABLE 5.51 SURFACE WATER AREA BACKG
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. . .. . . . .....-a .---.-I--u,. C
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TABLE 5.3-2 Aluminum Data Points, B
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TABLE 5.34 Beryllium Data Points. B
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TABLE 5.3-6 Chromium Data Points. B
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Page 512 and 513:
TABLE 5.34 lron Data Points. Backgr
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TABLE 5.3-10 Magnesium Data Points,
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TABLE 5.3-12 Selenium Data Points,
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TABLE 5.3-14 Zinc Data Points, Back
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TABLE 5.3-16 Statistical Summary -F
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TABLE 5.3-18 SUMMARY OF RI SURFACE
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h:\holden\drafi final nrpt\SS\TaMes
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TmLE 5.240 STATION RG2 AND P ROXW S
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TABLE 5.3-20 h:\holden\draft final
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TPBLE 5.3-21 STATION RCJ AHD PROXBS
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TABLE 5.3-21 SUMMARY OF RI WATER QU
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TABLE 5.3-24 SUMMARY OF SURFACE WAT
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h V~olden\draR final nrpt\S-5\Table
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TABLE 5.3-26 SUMMARY OF SURFACE WAT
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TABLE 5.3-27 SUMMARY OF SURFACE WAT
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TABLE 5.3-28 SUMMARY OF RI WATER QU
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TABLE 5.529 SUMMARY OF RI WATER QUA
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TABLE 5.3-30 SUMMARY OF RI PORTAL D
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TABLE 5.W1 SUMMPRY OF HISTORICAL WA
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TABLE 5.592 SUMMARY OF RI WATER QUA
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TABLE 5.3-35 TABLE 5.355 SUMMARY OF
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TABLE 5.358 SUMMARY OF WATER QUALIT
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n.\holden\draR Rnal r1rpt\S-5\tabIe
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Page 562 and 563:
TABLE 5.4-1 SUMMARY OF RI GROUNDWAT
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Page 564 and 565:
TABLE 5.4-1 SUMMARY OF Rl GROUNDWAT
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Page 566 and 567:
TABLE 5.4-2 SUMMARY OF RI SEEPAGE W
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Page 568 and 569:
TABLE 5.4-2 SUMMARY OF R1 SEEPAGE W
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TABLE 5.4-2 SUMHAW OF RI SEEPAGE WA
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Page 572 and 573:
TABLE 5.43 HlSTORlCAL SUMMARY OF GR
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TABLE 5.4-4 HISTORICAL SUMMARY OF S
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TABLE 5.44 HISTORICAL SUMMARY OF SE
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TABLE 5.44 HISTORICAL SUMMARY OF MI
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TABLE 5.5-1 SUMWRY Of HISlORlcbl DA
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TABLE 5.5-2 SUMMARY OF FALL 1998 SE
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TABLE 5.61 SUWAARY OF 1997 FERRICRE
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D.7 D.8 SOURCE: Base map informatio
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Scale in Feet Irene Lode Figure 5.2
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i i Wilderness i I i I i I P.J i i
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Page 595 and 596:
Date -+-- Discharge (cfs) 4'- ~lumi
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DAMES & MOORE A oAW 6 MooRE GROUP C
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Page 599 and 600:
-+- pischarge (cfs) I t hardness 1
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Page 601 and 602:
-I Job NO. 17693-005-01 9 .----. Ma
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Page 603 and 604:
160 -.- May-Zinc --- September-Zinc
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Page 606:
SOURCE: Base map infomtim horn USFS
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Page 609:
D.8 D. 9 E.0 ..... E.2 E.3 E.4 a D.
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Page 613 and 614:
SOURCE. Base map information frwn U
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SOURCE: Base map inlomtim frwn USFS
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Page 631:
SOURCE: Base map inlbrmatim from US
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Page 636 and 637:
Approximate Scale in Feet DAMES & M
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LEGEND -- -A O Ferr~crete, floccule
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Subsection 6.4 presents general Sit
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.LXOdW RI WNId W@Md 11:V:6661 'LZ A
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snowmelt on the adjacent valley slo
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1XCH3d Ill I V N U ~ I l:O!6661 b ~
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63.1.1 Sulfide Mineral Oxidation Th
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Page 650 and 651:
a IXOdIM Ill WW UVXCI%M 11:P!6661 '
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Co-precipitation. Sorption. 633.1 D
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Eh Control on Preeipitation/Dissoln
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Page 657 and 658:
6.4.1 Evidence of Iron Sulfide Mine
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Page 659 and 660:
to the underground mine workings, r
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Page 661 and 662:
The pH to copper relationship (Figu
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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 695 and 696:
TABLE 6.0-1 KEY OF SITE FEATURES 8
-
Page 697 and 698:
TABLE 6.0-1 KEY OF SITE FEATURES 8
-
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 810 and 811:
TABLE 6.0-1 KEY OF SITE FEATURES 8
-
Page 812 and 813:
TABLE 6.0-1 KEY OF SITE FEATURES 8
-
Page 814 and 815:
TABLE 6.0-1 KEY OF SITE FEATURES 8
-
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 953 and 954:
TABLE 7.0-1 KEY OF SITE FEATURES 8
-
Page 955 and 956:
TABLE 7.0-1 KEY OF SITE FEATURES 8
-
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 985 and 986:
TABLE 7.14 STATISTICAL ANALYSIS AND
-
Page 987 and 988:
TABLE 7.144 STATISTICAL ANALYSIS AN
-
Page 989 and 990:
TABLE 7.14 STATISTICAL ANALYSIS AND
-
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 1011 and 1012:
TABLE 7.1-13 HUMAN HEALTH SCREENING
-
Page 1013 and 1014:
TABLE 7.1-15 HUMN HEALTH SCREENING
-
Page 1015 and 1016:
TABLE 7.1-17 HUMAN HEALTH SCREENING
-
Page 1017 and 1018:
TABLE 7.1-19 HUMAN HEALTH SCREENING
-
Page 1019 and 1020:
TABLE 7.1 -21 HUMAN HEALTH SCREENIN
-
Page 1021 and 1022:
TABLE 7.1-23 HUMAN HEALTH SCREENING
-
Page 1023 and 1024:
TABLE 7.1-25 HUMAN HEALTH SCREENING
-
Page 1025 and 1026:
TABLE 7.1-27 HUMAN HEALTH SCREENING
-
Page 1027 and 1028:
TABLE 7.1-29 HUMANHEALTHSCREENINGOF
-
Page 1029:
TABLE 7.1-31 HUMAN HEALTH SCREENING
-
Page 1032 and 1033:
TABLE 7.1-34 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 1064 and 1065:
TABLE 7.2.2-1F STATISTICAL ANALYSIS
-
Page 1066 and 1067:
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 1112 and 1113:
TABLE 7.2.4-6a HAZARD QUOTIENTS FOR
-
Page 1114 and 1115:
TABLE 7.2.4-8a 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 1170 and 1171:
SOURCE: Base map information from U
-
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 1189 and 1190:
SOURCE: Base map information from U
-
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 1218 and 1219:
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 1224 and 1225:
June 15, 1998 Surface Water, May 19
-
Page 1226 and 1227:
June 15, 1998 Surface Water, May 19
-
Page 1228 and 1229:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1230 and 1231:
I INORGANICS ANALYSIS DATA SHEET TO
-
Page 1232 and 1233:
INORGANICS ANALYSIS DATA SHEET Synp
-
Page 1234 and 1235:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1236 and 1237:
INORGANICS ANALYSIS DATA SHEET TOTA
-
Page 1238 and 1239:
- INORGANICS ANALYSIS DATA SHEET Sa
-
Page 1240 and 1241:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1242 and 1243:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1244 and 1245:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1246 and 1247:
INORGANICS ANALYSIS DATA SHEET Samp
-
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 1256 and 1257:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1258 and 1259:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1260 and 1261:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1262 and 1263:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1264 and 1265:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1266 and 1267:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1268 and 1269:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1270 and 1271:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1272 and 1273:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1274 and 1275:
IKOXGANICS ANALYSIS DATA SHEET Lab
-
Page 1276 and 1277:
Final Report Laboratory Analysis of
-
Page 1278 and 1279:
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 1292 and 1293:
Final Report Laboratory Analysis of
-
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 1306 and 1307:
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 1314 and 1315:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1316 and 1317:
INORGANICS ANALYSIS DATA SHEET Samp
-
Page 1318 and 1319:
INORGANICS ANALYSIS DATA SHEET Samp
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