Molycorp Questa Site Document List1

MRS Reference Document Title Author/Firm Year Data Electronic No. Issued Associated Data Available (Y/N)

Non-HRS Spatial & Temporal Bureau of Land Management, 1984 Chemical and No document Variations in Water Quality H. S. Garn hydrological data of the Rio Grande-Red River Wild and Scenic River, Taos County, New Mexico Non-HRS Aquatic Biological Chadwick Ecological 1997 Biological data No document Assessment of the Red Consultants (CEC), Inc. River, New Mexico in the Vicinity of the Questa Molybdenum Mine Non-HRS Fall 1997 Data Addendum CEC 1998 Biological data No document Red River Aquatic Biological Assessment Non-HRS Red River Aquatic CEC 1999 Biological data No document Biological Monitoring, 1998

Non-HRS Overview of Red River CEC 2000 Biological data No document Ecology Non-HRS Red River Aquatic CEC 2000 Biological data No document Biological Monitoring, 1999

46 Red River Watershed, Dynamac 2000 Chemical data No Carson National Forest, USDA Forest Service, Removal Preliminary Assessment 34 Water Availability & Water Lee Wilson and Associates 1978 Surface water No Quality, Taos County, New (LWA), Inc. flow data only Mexico - Phase A Report: Basic Data on Geography, Climate, Geology, Surface Water, Ground Water, Water Rights, Water Use, Water Supply and Water Quality.

Non-HRS Tectonic, Hydrothermal Meyer, J., and Leonardson, 1990 No No document and Geomorphic Controls R.; NM Geological Society on Alteration Scar Guidebook, 41st Field Formation Near Questa, Conference ^Jew Mexico

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023246 Molycorp Questa Site Document List1

MRS Reference Document Title Author/Firm Year Data Electronic No. Issued Associated Data Available (Y/N)

18 Anoxic Alkaline Drain Michael W. Coleman 1996 No No Treatment of Seeps Entering the Red River Non-HRS Geological Report - Questa Molycorp, Inc., Martineau, 1977 No No document Project 1975-1977 M.P.; Heinemeyer, G.R.; Craig, S.D.; and McAndrews, K.P. Non-HRS Groundwater database Molycorp Inc., LeRoy 1987 Chemical data No document transmittal letter to Amy Apodaca, Manager of Childress, Water Resource Administrative Services Specialist, NM Health and Environment Dept., Groundwater Section

Non-HRS Discharge Plan 933 - Molycorp, Inc 1998 Chemical data No document Quarterly Monitoring Results, 3rd. Quarter Non-HRS Discharge Plan 933 - Molycorp, Inc. 1998 Chemical data No document Quarterly Monitoring Results, 4th. Quarter Non-HRS Discharge Plan 933 - Molycorp, Inc. 1999 Chemical data No document Quarterly Monitoring Results, 1st. Quarter 36 Intensive Survey of the New Mexico Environment 1984 Chemical data No Red River in the vicinity of Department (NMED), Surface the Red River and Questa Water Quality Bureau, Wastewater Treatment Environmental Improvement Facilities and the Molycorp Division, Gerald Jacobi and Complex January 25-27, Larry Smolka 1984 Non-HRS Water Quality Survey of NMED(EID/SWQ-86/11), G. 1986 Chemical data No document the Red River, Taos Z. Jacobi, and L. R. Smolka County, New Mexico, April 15-17, 1985 Non-HRS Intensive Survey at the NMED 1987 Chemical and No document Red River, Taos County, hydrological data New Mexico, Aug. 18-21, 1986 Non-HRS Intensive Water Quality NMED 1989 Chemical and No document Survey of the Middle Red hydrological data River, Taos County, New Mexico, Sept. 12- Oct. 25, 1988 Non-HRS Intensive Water Quality NMED 1992 Chemical and No document Stream Surveys and Lake hydrological data Water Quality Assessment Surveys

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023247 Molycorp Questa Site Document List'

HRS Reference Document Title Author/Firm Year Data Electronic No. Issued Associated Data Available (Y/N)

Non-HRS Intensive Water Quality ; NMED 1993 Chemical and No document Stream Surveys hydrological data

7 Expanded Site Inspection NMED, Groundwater 1995 Chemical and Yes Report on Molycorp Inc., Protection and Remediation surface water Questa Division, Taos Bureau - Superfund Program, flow data County, New Mexico Stuart Kent 3 Red River Groundwater New Mexico Environment 1996 Chemical data No Investigation Department (NMED), Surface Water Quality Bureau, Dennis Slifer Non-HRS Benthic Macro and NMED, G. Z. Jacobi, and L. 1998 Biological data No document Invertebrate Bio- R. Smolka Assessment of the Red River, New Mexico, U.S.A.

32 Geochemistry of the Red New Mexico Office of the 1999 Chemical data Yes River Stream System Natural Resources Trustee, Before and After Open-Pit New Mexico Bureau of Mines Mining, Questa Area, Taos and Mineral Resources, B. D. County, New Mexico Allen, et al.

Non-HRS Study of Groundwater Robertson GeoConsultants 1997 Chemical data No document Flow and Tailings Seepage (RGC), Inc. near Questa, New Mexico, RCG report No. 052002/1

6 Questa Tailings Facility, RGC 1998 Chemical data No Revised Closure Plan, Vol. 1 : Report Non-HRS Interim Background RGC 2000 Chemical and No document Characterization Study, hydrological data Questa Mine, New Mexico

Non-HRS Progress Report: Questa RGC 2000 Chemical and No document Mine Rock Pile Monitoring hydrological data and Characterization Study (Report No. 052007/3)

Non-HRS Evaluation of Tailings Area Souder, Miller and Associates 1998 Chemical and No document Seepage Interception (SMA) hydrological data System Non-HRS Mill Well No. 1 Pumping SMA 2000 Hydrological No document Test Report, Questa Mine, data Taos County, New Mexico

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023248 Molycorp Questa Site Document List1

MRS Reference Document Title Author/Firm Year Data Electronic No. Issued Associated Data Available (Y/N)

Non-HRS 1999 Hydrogeologic SMA 2000 Chemical and No document Investigation, Questa hydrological data Mine, Taos County, New Mexico 15 Hydrogeologic Evaluation South Pass Resources, Inc. 1993 Hydrologic data No of Tailings Ponds, (SPRI) Molycorp Questa Division, Questa, New Mexico Non-HRS Preliminary Investigation of SPRI 1993 Hydrological No document the Potential Impact of the data Rewatering of Molycorp's Deeper Underground Mine on the Red River near Questa, NM

Non-HRS Remediation Plan for the SPRI 1995 Unknown No document Tailings Area, Molycorp Facility, Taos County, New Mexico Non-HRS Discussion of Geology, SPRI 1995 Hydrological No document Hydrogeology, and Water data Quality of the Tailings Area, Molycorp Facility, Taos County New Mexico Non-HRS Progress Report on the SPRI 1995 Yes - chemical No document Geology, Hydrology and and hydrological Water Quality of the Mine data area, Molycorp Facility, Taos County, New Mexico

Non-HRS Questa Molybdenum Mine Steffen Robertson and 1995 Chemical data No document Geochemical Assessment Kirsten (SRK)

Non-HRS Questa Tailings Disposal SRK 1996 Unknown No document Facility Assessment of Acid Generating Potential Non-HRS Questa Tailings Facility SRK 1997 Unknown No document Geochemical Testing, Final Report 33 Geology of the Questa State Bureau of Mines and 1956 No No Molybdenum (Moly) Mine Mineral Resources, New Area, Taos County, New Mexico Institute of Mining & Mexico Technology, John Schilling Non-HRS Silver Valley Laboratory Silver Valley Laboratory 1994 Chemical data No document (SVL) Analytical Inc. CLP (SVL) inorganic data package, SDGSF-5801, Contract NO.SILVER0135 Non-HRS SVL Inorganic data SVL 1994 Chemical data No document package, SDG SF-5802, Contract SILVER0135

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023249 Molycorp Questa Site Document List}

MRS Reference Document Title Author/Firm Year Data Electronic No. Issued Associated Data Available (Y/N)

Non-HRS SVL Inorganic data .< SVL 1994 Chemical data No document package, SDG MFQ-248,' Contract 68-d20042 Non-HRS SVL Inorganic data SVL 1994 Chemical data No document package SDG MFQ-182, Contract 68-D20042 Non-HRS SVL Inorganic data SVL 1994 Chemical data No document package, SDG MFQ-183, Contract 68-D20042 Non-HRS Water and Sulfate Balance TRC 2000 Chemical data No document for Current and Pre-Mining Conditions Non-HRS Hydrologic Analysis of the U.S. Geological Survey, 1988 Hydrologic data No document Rio Grande Basin North of Hearne and Dewey Embudo, New Mexico, Colorado and New Mexico;Water Resources Report 86-41 13 Non-HRS A Water Quality Survey, U.S. Environmental 1971 Chemical and No document Red River and Rio Grande, Protection Agency (USEPA), biological data New Mexico Region VI Surveillance and Analysis Division, Robert Kerr Water Research Center, Ada, OK Non-HRS Site Specific Water Quality USEPA; Melancon, S.M.S; 1982 Chemical data No document Assessment: Red River, BlakelyLS.; Janik, J.J. New Mexico EPA-600/X- 82-025 24 Contract Laboratory USEPA 1994 Chemical data No Program (CLP) Analytical Report for SDG MFQ-182, Case 22894 23 CLP Analytical Report for USEPA 1994 Chemical data No SDG MFQ-183, Case 22894 25 CLP Analytical Report for USEPA 1994 Chemical data No SDG MFQ-248, Case 22894 17 CLP Analytical Report for USEPA 1994 Chemical data No SDG MFT-923, Case 21950 43 CLP Analytical Report for USEPA 1994 Chemical data No SDG MFT-933, Case 21950 26 CLP Analytical Report for USEPA 1994 Chemical data No SDG MFT-956, Case 21950 27 CLP Analytical Report for USEPA 1994 Chemical data No SDG MFT-965, Case 21950

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023250 Molycorp Questa Site Document List1

MRS Reference Document Title Author/Firm Year Data Electronic No. Issued Associated Data Available (Y/N)

31 CLP Traffic Report/Chain USEPA 1994 Chemical data No of Custody Forms for samples collected during the 1994 NMED ESI 11 CLP Analytical Report for USEPA 1994 Chemical data No sample designation group (SDG) SF-5801, Case 8450F-01 13 CLP Analytical Report for USEPA 1994 Chemical data No sample designation group (SDG) SF-5802, Case 8450F-02 44 CLP Analytical Report for USEPA 1995 Chemical data No SDG MFQ-082, Case 23566 4 Report on Hydrological USEPA Region VI 1998 Chemical data No Connection Associated Groundwater Center for with Molycorp Mining Excellence, David Abshire, Activity, Questa, New Geologist Mexico 16 Analysis of Tailings Pond Vail Engineering, Inc. 1993 Spring chemistry No Seepage Flow to Red and gaging data River Non-HRS Analysis of Tailings Pond Vail Engineering, Inc. 1988 Hydrologic data No document Seepage Flow to Red River Non-HRS A Geochemical Vail Engineering, Inc. 1989 Chemical data No document Investigation of the Origin of Aluminum Hydroxide Precipitate in the Red River Non-HRS Interim Study of the Acidic Vail Engineering, Inc. 1993 Chemical data No document Drainage to the Middle Red River, Taos County, NM Non-HRS Interim Report - Analysis of Vail Engineering, Inc. 2000 Chemical data No document Acid Rock Drainage in the Middle Reach of the Red River, Taos County, New Mexico Non-HRS Drainage Study for Vail, R.E. 1975 No No document Molybdenum Corporation of America Non-HRS Preliminary Surface Water Woodward-Clyde 1996 Chemical and No document Analytical Results for the hydrological data Red River Non-HRS Red River, New Mexico Woodward-Clyde 1996 Biological data No document Benthic Macroinvertebrate Survey - December 1995

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023251 Molycorp Questa Site Document List1

MRS Reference Document Title Author/Firm Year Data Electronic No. Issued Associated Data Available (Y/N)

Non-HRS Red River Surface Water; Woodward-Clyde 1996 Chemical and No document Investigation Report, Nov. hydrological data 1995, Molycorp Questa Mine, Questa, New Mexico

1 Document list is organized by Author/Agency and year issued.

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