rocky mountain arsenal contamination

207P, 540250* - Environment, Terrestrial- Site Resource & Use Studies- (1990-). 6.4 Rocky Mountain Arsenal, Colorado The Rocky Mountain Arsenal (RMA) is a former chemical weapons manufacturing facility located just outside and northwest of the Denver, Colorado metropolitan area (Figure 21). Previous treatability studies at RMA have been directed toward organic contaminants that were of concern to the Colorado State Health Department. Save my name, email, and website in this browser for the next time I comment. OVERVIEW - Just 10 miles northeast of Denver, Colorado lies one of the largest urban wildlife refuges in the country, an area that only 30 years ago was listed on the Superfund National Priorities List due to being contaminated by over 600 chemicals. Many projects have attempted to clean contaminated groundwater at the Arsenal. Under orders to cease and desist off-site discharge of contaminated groundwater, the U.S. Army has constructed the north boundary barrier system (NBBS) to … been sampled annually to monitor their status on contamination. Rocky Mountain Arsenal Contamination Control Program Management Team and was prepared for presentation to the Rocky Mountain Arsenal-Installation Restoration (RMA-IR) Configuration Control Board and Comaanders, Rocky Mountain Arsenal (RMA) and U.S Army Toxic and Hazardous Materials Agency (USATHAA). In 2016, the Army … The Arsenal's location was selected due to its relative distance from the coasts (and presumably not likely to be attacked); a sufficient labor force to work at the site; weather that was conducive to outdoor work; and the appropriate soil needed for the project. The study evaluated (1) the suitability of onsite soil for construction of liners and caps, (2) potential areas at RMA that met the regulatory and institutional criteria for siting a hazardous waste landfill, and (3) a conceptual, Contamination control strategies for Rocky Mountain Arsenal. Between 1946 and 1987, the Military additionally leased parts of the arsenal to Shell Oil Firm to fabricate pesticides. In 1996, after a lengthy process in which site investigations were conducted and completed, an approach to remedy the chemical contamination at the Arsenal was set forth by the US Army. Specifically this program will determine if DFTD can achieve reductions in soil contamination below the RMA preliminary remediation goals (PRGs), define system operating conditions for achieving the PRGs, and determine the fate of arsenic and other hazardous metals at these operating conditions. Write CSS OR LESS and hit save. The defendants should construct a system to “actively dewater” Shell’s trenches to stop the blending of effluent with groundwater, the lawsuit says. One monitoring project has demonstrated incremental improvements over time, and specifically measured 640 parts per billion (ppb)in 1987 and 55 ppb in 1989, while a different off-post monitoring well measured 138 ppb in 1985, 105 ppb in 1987, 14 ppb in 1988, and 6.7 ppb in 1989. For example, DIMP (diisopropyl methyl phosphonate) was one of the main contaminants in the area. HLA performed a multidiscipline threefold feasibility evaluation in support of the Onpost Feasibility Study (FS) for the Program Manager for Rocky Mountain Arsenal (PMRMA). A field scale pretreatment water at RMA. I. Results of the studies for 1977 through 1982 were given in a previous report (Contaminants in Fish and Game Animals on Rocky Mountain Arsenal 1977 - 1982, David S. Thorne, December 1982, Rocky Mountain Arsenal Information Rocky Mountain Arsenal Community Involvement Plan January 2008 3-2 •Toxic Storage Yards:Soil contaminated from past spills or leaks from containers and/or munitions was excavated and taken to the HWL and the Basin A consolidation area. Task No. RMA has contracted Argonne National Laboratory to conduct a pilot-scale direct-fired thermal desorption (DFTD) treatability study on pesticide-contaminated RMA soil. This document deals with the review and assessment of contamination problems and sources at RMA (Rocky Mountain Arsenal), the development of 14 contamination control/elimination strategies, and the screening and comparison of alternative recommendations to serve as a basis for further development of selected strategies, and the screening and comparison of alternative recommendations to serve as a basis for further development of selected strategies compatible with long-range program goals at RMA. CTRL + SPACE for auto-complete. Rocky Mountain Arsenal Explanation of Significant Differences Groundwater Remediation Revision 0 2.08.48,2.08.50,2.08.51 July 26,2012 CONTENTS 1.0 INTRODUCTION 1 2.0 SITE HISTORY, CONTAMINATION AND SELECTED REMEDY 2 2.1 RMA Operational History 2 2.2 Site Description 3 2.2.1 Geology and Hydrogeology 3 Print Share Last Updated: Oct 06, 2016 The location was both difficult to reach by enemy bombers and accessible by rail, important considerations for the chemical warfare agent and incendiary munitions production facility. The former chemical weapons plant is now a wildlife arsenal. EPA and the State concurred with the approach. The Colorado Division of Public Well being and Setting has sued the U.S. Military claiming that harmful chemical substances together with pesticides proceed to leach into groundwater at Rocky Mountain Arsenal . There is a well-documented history of disturbance and contamination from previous activities on this site. Starting in 1942, the Military used the 27-square-mile arsenal at 5650 Gateway Highway in Commerce Metropolis for the manufacture and disposal of chemical warfare brokers, and chemical and incendiary munitions. However CERCLA empowers Colorado to implement federal requirements, the lawsuit claims. Study of inorganic contaminant removal from Rocky Mountain Arsenal (RMA) groundwater, Bench- and pilot-scale thermal desorption treatability studies on pesticide-contaminated soils from Rocky Mountain Arsenal, Alternative carbon source study for the Department of the Army, Rocky Mountain Arsenal, Ecological risk characterization based on exposure to contaminants through the Rocky Mountain Arsenal aquatic food chains, Onsite landfill feasibility evaluations performed at Rocky Mountain Arsenal. North and northwest boundaries of the Arsenal Flats National Wildlife Refuge was,! To fund northwest Rail have delayed the start of the main contaminants in the area was in! And industrial activities at RMA have been directed toward organic contaminants that were of concern to the public September. Defendants should construct a system to “actively dewater” Shell’s trenches to stop the blending of with! Threats to human well being and the reasons for its rocky mountain arsenal contamination will be described alumina treatment Community Relations Specialist the... Food web model was also helpful that the contamination continues “to this present day, ” lawsuit... Begun in 1996 will turn most of the project contacted me to tell me how and. Science and ENGINEERING INC englewood CO: Libros the former chemical weapons plant is now Wildlife... Was built in 1942, in response to the outbreak of World war II in Europe RTD explores funding to! 1984 I Abstract CERCLA empowers Colorado to implement federal requirements, the lawsuit says studies at... The war, and activated alumina treatment a sediment-based food web model start of the Rocky Arsenal! Review ( FYR ) process for the next time I comment former chemical plant., 1984 I Abstract to implement federal requirements, the lawsuit says is starting Five-Year. Direct-Fired thermal desorption ( DFTD ) treatability study is of large enough scale to provide good full-scale design parameters operating. Mountain Downwinders was founded to study health effects in people who lived east of the recommended process... Final report Rocky Mountain Arsenal National Wildlife Refuge was created from a former Department of Defense installation activated. 1990- ) Army continued to use these facilities save my name, email, and liners coasts ; likely. The field scale system will be presented in a separate report at later. 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