superfund sites in montana

If the proposed backfill source is in the database or is adjacent to a site listed in the database, additional analysis may be necessary for parameter(s) known to be present at the listed site. In 2002, EPA selected the cleanup plan for residential properties in the Rimini and Landmark subdivisions. Working with EPA, several potentially responsible parties (PRPs) treated contaminated soil and groundwater and put groundwater and land use controls in place. This ensures cumulative potential health effects are considered when multiple contaminants with the same health effects are present at a facility. Contaminants of concern (COCs) are those contaminants whose concentrations exceed these risk-based screening levels, and therefore require additional evaluation. The site also provides wildlife habitat. Fe. The adjusted APH generic screening levels are: Also see the APH VI Calculator available in the Resources page. Facility operations ceased in 1986. EPA added the site to the Superfund program’s National Priorities List (NPL) in 1984. Sieving of dioxin samples may also be appropriate. For quantification purposes, PC Trace is typically equivalent to 0.25%. The Anaconda Superfund Site is located at the southern end of the Deer Lodge Valley, at and near the location of the former Anaconda Minerals Company (AMC) ore processing facilities. For more information: Silver Bow Creek/Butte AreaThe Silver Bow Creek Superfund site starts in Butte, Montana and runs west about 26 miles near Anaconda. Mill Creek Generating Station, a natural gas fired electricity generation facility, was completed in 2010. A large mining clean up project east of Lincoln is almost finished and will soon be open for recreation, state and federal officials said according to Yellowstone Public Radio.. Cleanup of these facilities must occur concurrently with the CALA process and CALA provides the funding for the orphan share of the cleanup. The site includes an area of groundwater contamination about 2 miles long and half a mile wide. The upper Clark Fork River Basin is truly a Superfund megasite, taking in three major Superfund sites (each a megasite in its own right) and numerous "operable units." (2) Because the environmental and human health damages in . This business employed 65 people and generated an estimated $12,679,000 in annual sales revenue. The primary target audience for this guide is the qualified environmental professional who is preparing the VCP. The Montana Legislature added the Controlled Allocation of Liability Act (CALA; §§ 75-10-742 through 751, Montana Code Annotated (MCA)) to the Comprehensive Environmental Cleanup and Responsibility Act (CECRA; §§ 75-10-701 through 757, MCA), the state Superfund law, in 1997. (The other option is to remediate subsurface soil to depths greater than 10 feet.) ARCO has sampled more than 1,700 residential yards and cleaned up over 350 contaminated yards in Anaconda and the surrounding communities. Under CECRA, sites are ranked based on potential risks to human health and the environment. For additional information click here. File guides do not exist for every CECRA site. Additionally, DEQ compares petroleum compounds in soil to the Risk-Based Screening Levels (RBSLs) provided in the Montana Tier 1 Risk-Based Corrective Action Guidance for Petroleum Releases. Found inside – Page 7Hearing Before the Subcommittee on Superfund, Waste Control, ... Let me just say this : The Clark Fork site in Montana is the largest Superfund site in the ... Cumulative cancer risk for carcinogenic compounds may not exceed 1E-05. The legislature has allocated funds from the resource indemnity and groundwater assessment taxes and from the oil and natural gas production taxes. - EPA/540/R/99/005, July 2004), Human Health Toxicity Values in Superfund Risk Assessments (Environmental Protection Agency, Washington, DC. Twelve sites in other states were also identified for inclusion on the National Priorities List in the agency's Sept. 9 . For additional information please see the Risk Assessment FAQs. Please click on the Feasibility Study Example Scope of Work for an example of a combined initial alternatives screening document and feasibility study scope of work for facilities addressed under the Comprehensive Environmental Cleanup and Responsibility Act (CECRA). The Berkeley Pit in Butte, MT is the latter. A description of the CECRA process can be found at the following link: Information about VCRA is available at the following link: https://deq.mt.gov/cleanupandrec/Resources. Fish and Wildlife Service. These efforts continued until 2011. Mutagenic age-adjusted soil ingestion rate: 477 mg*yr/kg*day (this applies to compounds with carcinogenicity based upon a mutagenic mode of action such as, vinyl chloride or benzo(a)pyrene). Mitigation is action that is taken to minimize exposures to indoor air contamination while cleanup is occurring. Please see the FAQ below on dry-weight conversion. Site stakeholders will continue to monitor the drinking water supply, the fishery and the Clark Fork River floodplain. Wilderness to Wasteland presents four series of previously unpublished and unexhibited photographs from Hanson's early work"--Book jacket. The proposed plan was developed by EPA in consultation with the Montana Department of Environmental Quality (DEQ . Cleanup construction finished in 1996. DEQ derives site-specific cleanup levels such that they do not result in a cumulative excess lifetime cancer risk greater than 1 in 100,000. Cleanup included soil and groundwater treatment and replacement of wetlands. EPA sponsored meetings on economic revitalization in 2005 that targeted the real estate community and local contractors. Major sections include: § 75-10-732 - eligibility requirements; § 75-10-733 and § 75-10-734 - environmental property assessment and remediation proposal requirements; § 75-10-735 - public participation; § 75-10-736 - timeframes and procedures for Department approval/disapproval; and § 75-10-737 - closure process. Assisted by an EPA Superfund Redevelopment Initiative pilot grant and EPA support, the communities developed a reuse plan in 2005. Relocation of more waste and reclamation of excavated areas will also take place. After comparing contaminant concentrations in soil to the various screening levels, the most conservative value should be chosen as the applicable screening level. EPA identified surface water as the best future drinking water supply source. Exposure to lead in soils is evaluated in a unique way by calculating potential blood lead levels resulting from exposure to lead in soil in addition to other unavoidable lead exposure pathways like water and food. Cleanup included sediment removal to restore drinking water, removal of the historic Milltown Dam in 2010, and revegetation of a restored floodplain. For more information on how to evaluate vapor intrusion to indoor air, please see the FAQ for site-specific vapor intrusion risk assessment/analysis. VCRA is meant to encourage and facilitate prompt cleanup activities, eliminate impediments to the sale or redevelopment of facilities where releases or threatened releases of hazardous or deleterious substances exist, and minimize administrative processes and costs. The site’s cleanup and reuse highlights successful cooperation between the private sector, the local government, and state and federal agencies. That water is contaminated with heavy metals, copper, cadmium, cobalt, iron, manganese, zinc, arsenic, and has a pH of 2.5 (acidic). In November 2018, EPA presented an Excellence in Site Reuse Award to the city of Libby and other stakeholders for the cleanup and redevelopment of Operable Unit 1 (OU1), now Riverfront Park. On Monday morning (November 18 . These sites typically require long-term soil, surface water, and/or groundwater remediation and monitoring. Last updated August 2021. The CECRA Priority List is available in three formats: DEQ evaluates sites where hazardous or deleterious substances may have been released and determines the priority for further action. There are other potential sources of contaminants in indoor air. This TEQ concentration is calculated by adjusting the concentrations of several of the dioxin/furan compounds to account for their toxicity and then adding all of the adjusted concentrations. The Montana Department of Environmental Quality (DEQ) in a statement released Tuesday said the cleanup of the mine site, Blackfoot River and its tributaries is almost complete. In 1986, sampling found benzene and chlorinated solvents in water supply wells. Spent potliner is a waste product resulting from aluminum reduction. In 2002, EPA’s Superfund Redevelopment Program (SRP) supported the City and Lewis & Clark County’s community-based planning process to develop future land use recommendations for the site. This calculator is not meant to be used with solvent sites or mixed waste sites containing a combination of petroleum and other sources. Some sites may go through the federal superfund site process for initial investigation to determine if contamination is present at levels that require additional evaluation and if the site has the potential to be a federal superfund site. Humans can be exposed to contaminated soil vapor when vapors from beneath a building are drawn through cracks and openings in the foundation and mix with the indoor air. Cleanup began in 1986. Please click on the link Feasibility Study Example Scope of Work for an example feasibility study scope of work for facilities addressed under the Comprehensive Environmental Cleanup and Responsibility Act (CECRA). Last updated August 2021, The 580-acre Lockwood Solvent Ground Water Plume Superfund site is in Billings, Montana. The 40-acre Montana Pole and Treating Superfund site is in Butte, Montana. The Montana Agricultural Chemical Ground Water Protection Act regulates investigation and cleanup of sites contaminated with agricultural chemicals. Cleanup activities included connecting residents to the municipal water supply, well closure and payments to owners, and treating soil and groundwater. Mine adit discharge, polluted water leaking from mine entrances, is a high-priority concern. The site mostly comprises undeveloped land used for recreation. As of December 2020, EPA had data on one on-site business. In 2010, the state acquired parts of the site for the new Milltown State Park. It specifies application requirements, voluntary cleanup plan requirements, agency review criteria and time frames, and conditions for and contents of no further action letters. Cleanup included soil, sediment and groundwater treatment. EPA Moves To Transfer Oversight Of Libby, Troy Superfund Sites To Montana. Mineral extraction and processing left behind mine waste and mining-influenced water. This multi-use facility includes river access for boating, pavilions, a memorial, parking and picnic tables and fishing. Cleanup levels based on drinking water are typically protective of construction workers encountering groundwater, and therefore it is not usually necessary to evaluate construction worker exposure to groundwater quantitatively. Thousands of acres of former waste disposal sites have been capped. Obviously, it is not practical to remove these potential indoor sources of VOCs from homes. Investigation and cleanup activities are ongoing. The ProUCL software provides statistical analysis of non-detects or censored data; therefore, there is no need to use half the detection limit for undetected compounds (with the exception of calculations of toxicity equivalence quotients for dioxins/furans or other dioxin-like compounds - please refer to the FAQ regarding sampling for dioxins/furans for more information). In 2011, the town of Columbus built a new public works building on part of the site. Since CECRA cleanups typically involve historical contamination, liable persons often include entities that are bankrupt or defunct and not affiliated with any viable person by stock ownership. Pezzullo examines these tours as a tactic of resistance and for their potential in reducing the cultural and physical distance between hosts and visitors."--BOOK JACKET. The site includes about 120 miles of the Clark Fork River upstream of the Milltown Dam and Reservoir. Last updated August 2021. The Powell County Planning Department maintains the Clark Fork River Superfund data repository: 409 Missouri Ave., Suite 114. EPA added the site to the National Priorities List (NPL) in 1986. AWARE, Inc., a private, non-profit corporation that provides community-based services to persons with mental, emotional and physical needs also built a campus on site. Simply click on the icon and then you can individually turn on the various program layers.You can also download the dataset through the “Discover DEQ’s Data” tile on the main GIS Portal page linked above. The Silver Bow Creek/Butte Area Superfund site (the Site) is a Superfund site in the upper Clark Fork River Basin, Silver Bow and Deer Lodge Counties, Montana. Please refer to the Groundwater Sampling Guidance document. Last updated August 2021. The vertical control datum used to determine the elevation of the well must be the North American Vertical Datum of 1988 (NAVD 88), which should be referenced to a nearby United States Geological Survey (USGS), or equivalent, benchmark.At CECRA facilities, latitude and longitude coordinates reference the State Plane NAD83 HARN Coordinate System, which should also be referenced to a nearby USGS, or equivalent, horizontal control mark.ARM 36.21.810 provides that “[w]ells which have not been monitored for more than 3 years shall be deemed abandoned unless written permission is obtained from the board [of water well contractors] to maintain the well.” Standards for abandoning monitoring wells is also provided in this regulation.Additional regulation regarding Monitoring Well Construction Standards can be found in the ARM 36.21.8. For more information: The 87-acre Idaho Pole Co. (IPC) Superfund site is in Bozeman, Montana. Montana Department of Environmental Quality oversees cleanup and is addressing the facility as a state Superfund site. Minor revisions to CECRA have been made by the 1999, 2001, 2003, 2005, 2007, 2009, 2011, 2013, 2015, and 2019 Legislatures. Public services on site include a Bonneville Power Administration rectifier yard and switchyard and a Burlington Northern rail line. Please note that construction workers or those excavating soil are expected to be exposed to both surface (0-2 feet bgs) and subsurface (2-10 feet bgs) soil. Superfund, or Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), was established in 1980 to allow the Environmental Protection Agency to clean up contaminated, toxic sites around the United States. Therefore, at facilities where metals are likely to be contaminants of concern, analysis of the finer fraction is necessary. Part personal history and part reportorial narrative, Opportunity, Montana is a story of progress and its price: of copper and water, of father and son, and of our attempts to redeem the mistakes of the past. Mining in Libby ended in 1990. Facility-specific risk-based cleanup levels: DEQ will accept cleanup levels based on a facility-specific risk analysis conducted using standard EPA human health risk assessment guidance (EPA 1999, 1998a, 1997b, 1992, 1991a-c, and 1989) and/or, as applicable, standard EPA ecological risk assessment guidance (EPA 2000a, 1998b, and 1997a). With EPA’s mission to protect human health and the environment in mind, EPA established the Superfund Task Force in May 2017 to provide recommendations for improving and expediting site cleanups and promoting redevelopment. VCRA formalizes the voluntary cleanup process in the state. These businesses employed 188 people and generated an estimated $33,103,857 in annual sales revenue. Sign in. Discharge of wastewater to a municipal wastewater treatment plant requires authorization from the municipal wastewater treatment operator. Mining in Libby ended in 1990. DEQ-7 standards were developed to comply with requirements under the Montana Water Quality Act, the Federal Clean Water Act, and the Montana Agricultural Chemical Ground Water Protection Act and must be used. Cleanup in the town of Basin finished in the fall of 2004. Please see the following for an example report Final Feasibility Study Report - June 2008. Any entity (such as facility owners, operators, or prospective purchasers) may submit an application for approval of a voluntary cleanup plan (VCP) to the Department. For sample sets of 10-100 samples, at least 10 samples are required to have laboratory analysis and 10% of the samples in sample sets greater than 100 samples are required to have labortory analysis (this does not preclude the evaluation of 20% of the samples collected for the lead finer fraction analysis explained above). W.R.Grace Company most recently owned and operated the mine operations. Burlington Northern Railroad (now the BNSF Railway Company (BNSF)) began cleanup activities in 1988. This is a list of Superfund sites in Montana designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. Typically, DEQ and the responsible person negotiate a consent decree or order to implement the cleanup. Why do I have to sample for dioxins when pentachlorophenol contamination is the problem? Office Hours: Monday through Friday, 8 a.m. to 5 p.m. 406-846-9795. email: [email protected]. DEQ plans to make some of this information available via the GIS Portal; however, in the interim, please submit a request via Gov QA - Support Home Page (govqa.us). Historically, the site was a pulp and paper mill with operations lasting 43 years, beginning in 1957 and ceasing in 2010. EPA did not have further economic details related to this business. In 1994, AR began turning 250 acres of the site into a 21-hole golf course. What are the cleanup levels that should be used? This Handbook has been developed by the EPA as a resource for project managers working on addressing the environmental concerns posed by inactive mines and mineral processing sites. Under this act, the Department cannot take enforcement action against the party conducting an approved voluntary cleanup for work addressed in that plan. It is part of a larger Superfund site, known as the Milltown Reservoir Sediments/Clark Fork River site. All exposure assumptions must be acceptable to DEQ and are best determined in consultation with DEQ. However, the placement of an institutional control does not address those facilities with leaching to groundwater or vapor intrusion considerations. DEQ considers the comments and may revise the final cleanup based upon public comment. Cleanup also included a natural resource damages settlement. The orphan share fund is a state special revenue fund created from a variety of sources. For inhalation exposure, include both particulate and vapor inhalation for volatile compounds. The UCL of the ratios may then be used as a factor that can be applied to historic, current, and future bulk samples collected for characterization or confirmation sampling without the need for further sieved sampling. The complete VCRA guide is located at: http://www.deq.mt.gov/cleanupandrec/Resources. Volatile chemicals may also be found in certain household products such as paints, paint strippers and thinners, mineral spirits, glues, solvents, cigarette smoke, aerosol sprays, mothballs, air fresheners, new carpeting or furniture, hobby supplies, lubricants, stored fuels, refrigerants and recently dry-cleaned clothing.Indoor air may also become affected when outdoor air containing volatile chemicals enters your home. More information can be found in the 'Evaluating Lead in Soil' lead screening memo (available on the Resources page). Found inside – Page 17The remaining 3 are wood treating sites : Montana Pole , Idaho Pole , and the ... Remediation efforts are underway at 7 of the 8 federal superfund sites . CALA was designed to be a streamlined, voluntary allocation process. EPA revised the cleanup plan for these subdivisions in 2008 to require individual septic systems and prevent future drinking water systems from using contaminated groundwater; as of 2021, the majority of residences in Rimini and several in the Landmark Subdivision are provided drinking water via the EPA Bottled Water Program. This dumping severely polluted Silver Bow Creek and surrounding areas. The random tool recorded 17"Brownfields" in Montana to help people identify and recognize them.In the . The results from this calculator should be considered one of the multiple lines of evidence in your vapor intrusion investigation. Working together, EPA, Montana Department of Environmental Quality, the site’s potentially responsible parties (PRPs) and the community returned the site property to productive use. However, there are some sites where contamination extends deeper than 10 feet and there may be situations where future building at the site could result in footings or foundations greater than 10 feet. Alternatively, each piece of debris may be sampled using best management practices. BNSF is using green remediation practices as part of cleanup. Below you will find the APH VI Screening Level Calculator as well as the VI APH Calculator Discussion that explains how to use the calculator and the general assumptions used for site-specific vapor intrusion risk assessment/analysis (also found on DEQ SRS’s FAQs website). 130 Lower River Road Township: 20 N, Range: 3 E, Section: 36. Much like environmental remediation, community members practice acts of reclaiming history, landscape, and community. These are acts of cultural reclamation. It is part of the larger 120-mile long five contiguous Superfund site complex stretching from Butte to Missoula, Montana. EPA completed cleanup at the Rimini Road (Basin Creek Mine Road) area of the site in 2010. EPA added the site to the National Priorities List (NPL) in 1983. These businesses employed 2,710 people and generated an estimated $406,090,167 in annual sales revenue. The CECRA Priority List is updated semi-annually as required in ARM 17.55.105. Found insideThe Superfund program of the US Environmental Protection Agency (EPA) was created in the 1980s to address human-health and environmental risks posed by abandoned or uncontrolled hazardous-waste sites. The site’s remedy is compatible with public service, commercial and recreational uses. If you have previous samples that were analyzed using an analytical method that has a higher detection limit, you may need to collect some additional confirmation samples and have them analyzed using the method with the lowest possible detection limit to show that the contamination has been adequately addressed. For example, it may be appropriate to collect samples along radial lines extending from a known source of airborne contamination. This ensures that, when multiple contaminants are found at a facility that may have the same health effects, cumulative potential health effects are considered. The Powell County Planning Department maintains the Clark Fork River Superfund data repository: 409 Missouri Ave., Suite 114. Reimbursement is limited to those eligible costs incurred by the lead PLP for the preparation of these reports. As of December 2020, EPA did not have economic data related to on-site businesses, or economic data were not applicable due to site use. A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Cleanup of that site is ongoing. Depending on a specific data set, it may not be appropriate to perform a UCL calculation. This guide covers both the Environmental Assessment and Remediation Proposal components required under VCRA. These locations . EPA’s Superfund Redevelopment Program (SRP) supported a reuse assessment project at the site in 2005. In 2019, EPA and the Montana Department of Environmental Quality deleted OU2 from the NPL. Relocation of more waste and reclamation of excavated areas will also take place. Soil vapor can enter a building whether the building is old or new, and whether the building has a basement, a crawl space, or is on a slab (as illustrated in the figure below).Soil Vapor Intrusion Image. A water drainage system recycles rainwater to water the golf course and surrounding property. Mining began in the 1920s and ended in 1990. They are known as priority mines. Facility-specific adjusted screening levels: The generic screening levels described above may be adjusted based on the number of compounds present at an individual facility to represent the acceptable cumulative cancer risk of less than or equal to 1X10-5 for carcinogens or by the number of compounds and their critical effect/target organs for a total hazard index equal to 1 for non-carcinogens. For additional information click here. Asbestos co-mingled with the vermiculite contaminated the Libby area with multiple pathways for exposure. A risk assessment evaluates the threats posed to human health and the environment and allows for the development of site-specific cleanup levels. In 2013, after years of planning, cleanup and restoration, the City of Libby opened Riverfront Park. For more information: The 4.5-acre Mouat Industries Superfund site is in Columbus, Montana. For contaminants without a DEQ-7 standard, see "What are some of the general assumptions for a site-specific groundwater risk assessment/analysis at a CECRA facility?". If asbestos is determined to be present in the soil using the CARB 435 PLM method with the lowest possible detection limit (0.25%), then remedial options should be evaluated and CARB 435 TEM may be required for confirmation samples. This typically includes deed and record searches, seeking information from people that worked at or owned/operated a site, and reviewing historical documents to determine when and how contamination occurred. Volatile chemicals include volatile organic compounds (VOCs), which includes, but is not limited to, benzene (typically found in gasoline) and tetrachloroethylene (typically found in dry cleaners or degreasing operations). Fishing pond the boundaries of the study are summarized in the town of Columbus built missile... 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