iron mountain mine superfund

Iron Mountain: The History and Complications in Metal …

2020-4-28 · Also discussed is the background of the Superfund Program, the general mining process and the basic geology and history of operations at Iron Mountain. There is a large focus ... mines that made up the Iron Mountain Mine operation. The Old Mine, No. 8 Mine, Confidence-Complex Mine, Mattie Mine, Richmond and Richmond Extension Mines and Hornet ...

Raman Spectroscopy of Efflorescent Sulfate Salts from …

2015-8-24 · The Iron Mountain Mine Superfund Site near Redding, California, is a massive sulfide ore deposit that was mined for iron, silver, gold, copper, zinc, and pyrite intermittently for nearly 100 years. As a result, both water and air reached the sulfide deposits deep within the mountain, producing acid mine drainage consisting of

RECORD OF DECISION (RODS)

2017-5-12 · These discharges are the third largest source of AMD at the Iron Mountain Mine Superfund Site. Slickrock Creek is a tributary of Spring Creek, which in turn is a tributary of the Sacramento River. Slickrock Creek is on the south side of the Iron Mountain Mine (IMM) site. The IMM site is located about 9 miles northwest of Redding, California.

Environmental Effects of Mining Iron Mountain

2018-7-26 · The environmental consequences of mining Iron Mountain became apparent only a few years after the start of open mining in 1896. Fish kills in 1902 in the Sacramento River, near the city of Redding, were the first documented …

10/19/2000: U.S., CALIFORNIA ANNOUNCE LONG-TERM …

2016-12-16 · U.S., CALIFORNIA ANNOUNCE LONG-TERM SETTLEMENT FOR IRON MOUNTAIN MINE Release Date: 10/19/2000 Contact Information: Leo Kay, U.S. EPA Press Office, 415/744-2201, Cell Phone, 415/760-5420 Agreement will clean up one of country''s most toxic Superfund sites SAN FRANCISCO The United States and the state of California today …

Considering the Flat Creek/Iron Mountain Mine Site For …

The Iron Mountain Mine and Mill operated from 1909-1930 and again from 1947-1953. The mine produced silver, gold, lead, copper, and zinc ores. The town of Superior is located approximately 3.5 miles downstream of the old Iron Mountain Mine and Mill. The proposed Site consists of 4 areas potentially needing cleanup: • Soils in residential ...

Negative pH and Extremely Acidic Mine Waters from Iron …

2018-10-27 · Extremely acidic mine waters with pH values as low as −3.6, total dissolved metal concentrations as high as 200 g/L, and sulfate concentrations as high as 760 g/L, have been encountered underground in the Richmond Mine at Iron Mountain, CA. These are the most acidic waters known. The pH measurements were obtained by using the Pitzer method to define pH …

The West''s Sleeping Giant: Abandoned Mines …

2018-6-7 · In a more extreme case, the Iron Mountain Mine in Redding, CA, which has been listed as a Superfund site since 1983 spends $5 million per year with no end in sight. Looking at the bigger picture, the EPA estimated that no …

Iron Mountain Mine

The Iron Mountain Site is part of the larger Flat Creek/Iron Mountain & Mill (IMM) federal Superfund site that was added to the U.S. Environmental Protection Agency''s (EPA) National Priorities List in 2009. ... the now-abandoned mining district includes tunnels, tailings, a discharging adit, and mill remnants. Evidence of Iron Mountain mine ...

Superfund Record of Decision: Iron Mountain Mine, CA …

The Iron Mountain Mine site was listed on the National Priorities List in 1983. From 1983 through 1985, EPA conducted an RIfFS of the site and published its report in 1985. After public comment and publication of a Feasibility Study Addendum, EPA signed the first Iron Mountain Mine Record of Decision in October 1986.

Iron Mountain Mine NPL Site

The Iron Mountain Mine Complex (IMM) is located 9 miles northwest of Redding, California. From the 1860s through 1963, the 4,400-acre IMM site was mined for iron, silver, gold, copper, zinc, and pyrite. ... In 1983 IMM was placed on the EPA Superfund National Priority List. Remediation began in 1989 and includes on-site treatment of IMM ...

Remediating Some of the World''s Most Acidic Waters at …

Iron Mountain has been a Superfund site since 1983, and is home of the world''s most acidic water (negative 3.6 pH). In a word, remediating the extensive mines in a mountain of rock with almost no acid neutralization capacity is daunting.

Iron Mountain Mine Shasta County, California

2021-4-30 · From the 1860s through 1963, the 4,400acre Iron Mountain Mine (IMM) site - periodically was mined for iron, silver, gold, copper, zinc, and pyrite. Though mining operations were discontinued in 1963, underground mine workings, waste rock dumps, piles of mine tailings, and an open mine pit still remain at the site.

History of Iron Mountain | USGS California Water Science …

2018-7-26 · During its operation, from 1879 - 1963, ten different mines throughout the site''s 4,400 acres were the source of not just copper, but also silver, iron, gold, zinc and pyrite (iron sulfide). A century of active mining at Iron Mountain took an environmental toll. The first documented consequence of mining was fish kills in the Sacramento River ...

Remediation progress at the Iron Mountain Mine …

1991-1-1 · OSTI.GOV Technical Report: Remediation progress at the Iron Mountain Mine Superfund site, California. Information Circular/1991

Iron Mountain Mine Superfund Site Long Term O&M …

2015-3-20 · Mining Impacts • Mining influenced waters (MIW) with pH as low as -3.6 found in Richmond Mine workings • 10,000 pounds of iron, 650 pounds of copper, and 1,800 pounds of zinc were discharged per day prior to remediation • AMD entering Keswick Reservoir precipitated more than 200,000 cubic yards of metal rich sediment into the Spring Creek Arm

Iron Mountain Superfund incident within the Carr Fire …

2018-8-3 · Background on Iron Mountain Mine Superfund site: From the 1860s through 1963, the 4,400-acre Iron Mountain Mine was periodically mined for iron, silver, gold, copper, zinc and pyrite. Though ...

Mining Waste Treatment Technology …

2021-11-6 · USEPA Iron Mountain Mine Superfund Site. 2009. "EPA Accelerating Cleanup Efforts at Iron Mountain Mine Site Supporting Local Economy with Recovery Act Funds." U.S. Environmental Protection Agency, Region 9, San …

Iron Mountain: An Extraordinary and Extreme Environment …

2013-5-24 · The Iron Mountain Mine Superfund Site near Redding, California, is a massive sulfide ore deposit that was mined for iron, silver, gold, copper, zinc, and pyrite intermittently for nearly 100 years. As a result, both water and air reached the sulfide deposits deep within the mountain, producing acid mine drainage consisting of sulfuric acid and ...

IRON MOUNTAIN MINE

2009-3-16 · This administrative record contains the documents that the U.S. Environmental Protection Agency (EPA) has considered or has relied on to select remedial actions for the Iron Mountain Mine Superfund Site, Sediment Studies Operable Unit in Shasta County, California.

SIXTH FIVE-YEAR REVIEW REPORT FOR IRON …

2022-7-22 · IRON MOUNTAIN MINE SUPERFUND SITE SHASTA COUNTY, CALIFORNIA PREPARED BY United States Army Corps of Engineers, Seattle District FOR U.S. Environmental Protection Agency Region IX Ap~p _ oved by: tJa,r-1-w, /2. Date ( I ''] -z_,,1 I ¥ Da Barton A ssistant Division C a lifornia Site Cleanup and Enforcement Branch ...

Iron Mountain Iron Mine

2022-5-27 · This mine operated for 68 years and produced 21,625,000 tons of iron ore for the great steel mills of the Midwest. Travel 2,600 feet through drifts and tunnels to 400 feet below the earth''s surface. See amazing rock formations and large underground lighted caverns. State Historical Site. Rock Hound and Geologist Paradise.

An Overview of Environmental Impacts and …

2016-1-1 · The 4,400-acre Iron Mountain mine site, located in northern California, was mined primarily for copper from the 1860s through 1963 when formal mining activities ceased operation.

Iron Mountain Mine

Iron Mountain Mine - Montana Environmental Trust Group

iron Mountain Mine Superfund Site – Shasta County

2021-9-23 · iron Mountain Mine Superfund Site – Shasta County xyzee. Main; Similar Questions; Home > Environmental science homework help. essay. iron Mountain Mine Superfund Site – Shasta County. 2 pages. follow easy rubric . ESSAYRUBRIC.docx. 10 months ago; 23.09.2021; 10; Report Issue. Answer (1) Tutor Cyrus Ken. 4.9 (5k+)

Five-Year Review Report

2019-10-30 · Iron Mountain Mine Superfund Site Redding, California September 2003 Prepared By: United States Protection Agency Region 9 San Francisco, CA Approved by: Date: ... Iron Mountain Mine listed on the National Priority Listing "Superfund List" 1983 Operable Unit (OU) 1 – "Site-wide": Richmond partial cap, Brick Flat Pit cap, ...

Iron Mountain Mine Superfund Site and the Shasta Mining …

Iron Mountain Mine Iron Mountain Mine Iron Mountain Mine. Shasta Dam TMDL Limit 1.3 ppb Copper. Compliance Point 5.6 ppb Copper Dissolved Copper at Shasta Dam Outlet, 2010-2015 6 IMM Compliance Point = 5.6 ug/L. 5 /L) ug 4. 3. 2 Dissolved Copper ( Copper Dissolved. Shasta Lake TMDL Limit = 1.3 ug/L 1

A poisonous Superfund site scorched by wildfire is wakeup …

2020-12-23 · Iron Mountain is a mountainous, 4,400-acre site with steep slopes and deep, V-shaped valleys in California''s northern Shasta County where iron, silver, gold, copper, zinc and pyrite were mined from the 1860s until the 1960s. The former mine leaches water more corrosive than battery acid that also contains large amounts of zinc, copper and ...

Superfund Record of Decision (EPA Region 9): Iron …

1998-1-1 · OSTI.GOV Technical Report: Superfund Record of Decision (EPA Region 9): Iron Mountain Mine, Redding, CA, September 30, 1997

Superfund Sites in Reuse in Montana | US EPA

2022-4-1 · The Flat Creek IMM Superfund site is located in Superior, Montana. From 1909 to 1930 and from 1947 to 1953, the Iron Mountain Mine (IMM) operated on site. IMM produced silver, gold, lead, copper and zinc ores. Mine operations produced tailings and soils contaminated with heavy metals.

Raman Spectroscopy of Efflorescent Sulfate …

2013-3-6 · The Iron Mountain Mine Superfund Site near Redding, California, is a massive sulfide ore deposit that was. mined for iron, silver, gold, copper, zinc, and pyrite intermittently for nearly 100 years.

Chemical Modeling of Acid Waters

The copper mines at Iron Mountain, a Superfund site since 1983, have been the focus of several research studies by our project in support of remedial decision-making. Geochemical modeling of acid mine waters, ferrous iron oxidation …

Vibrational, X-ray absorption, and Möss spectra of …

2011-5-24 · The Iron Mountain Mine Superfund site in California is a prime example of an acid mine drainage (AMD) system with well developed assemblages of sulfate minerals typical for such settings. Here we present and discuss the vibrational (infrared), X-ray absorption, and Möss spectra of a number of these phases, augmented by spectra of a few ...

Superfund Record of Decision (EPA Region 9): Iron …

The report was prepared by the U.S. Bureau of Mines to present a brief history of the listing of Iron Mountain Mine as a Superfund site on the National Priorities List (NPL) and subsequent remedial actions. The mine area is located on 4,400 acres near Redding, CA, and includes underground workings, an open pit area, waste rock dumps, and ...

iron Mountain Mine Superfund Site – Shasta County • …

2022-5-5 · iron Mountain Mine Superfund Site – Shasta County. 2 pages. follow easy rubric. Looking for this or a similar assignment? Click below to …

Negative pH, efflorescent mineralogy, and consequences …

2022-2-21 · The Iron Mountain Mine Superfund site is an extreme example of how the formation of soluble efflorescent minerals can make certain remediation alternatives much more risky and potentially disastrous than might otherwise be imagined. Iron Mountain Iron Mountain is located in Shasta County, California, ap-

Fueled by Climate Change, Wildfires Threaten …

2020-12-23 · In 2018, the Carr Fire burned across 359 square miles of northern California and swept over the Iron Mountain Mine Superfund site, threatening to release corrosive chemicals into the watershed.