January 27, 2021

air force plant 44

1993: A risk assessment was performed to identify soil sites that required remediation. As a result, ADEQ, EPA, and the AF agreed upon two locations where monitor well pairs would be installed to help assess the extent and degree of groundwater contamination near EPA-03. Revised on: August 28, 2020 - 2:37pm . As part of this initiative, the AF hired a new contracting team in late summer. Air Force Plant 44 is southwest of Tucson and is operated by Raytheon Missile Systems Company [Hughes Aircraft]. The USAF submitted to the agencies a work plan for a Phase II focused RI of the 1,4-dioxane. Plant 42 is a United States Air Force facility. This system was installed to provide containment and remediation of regional aquifer groundwater contamination. U.S. Air Force Plant 44 | Site Repository. 2010: Several activities of the Phase II focused remedial investigation (FRI) were completed to further define the nature and extent of 1,4-dioxane in the groundwater within Tucson Airport Remediation Project (TARP) and at AFP-44. Data from 101 wells sampled before and after shutdown of extraction and recharge wells AFP44 were compared. https://www.usgs.gov/centers/az-water/science/air-force-plant-44 2014: The Air Force issued a Proposed Plan for No Further Action (NFA) at the 1980s Pistol Range. The largest changes in concentrations of TCE occurred in samples collected from wells along the axis of the contaminant plume, in close proximity to previously identified disposal areas. Resulting groundwater contamination has spread northward beyond the project area boundaries because of the regional groundwater flow gradient. The work plan included installation of new monitor wells to further characterize the shallow groundwater zone. To help determine the mechanism by which chromium may be attenuating in the subsurface at Building 801 area, the AF collected soil boring and groundwater samples. The facility occupies over two million square feet of buildings. New contaminant-source areas were not identified. The agreement provides for regulatory oversight of the Air Force's Superfund work at AFP-44. The complete official site file can be reviewed at: EPA Region IX Records Center Mail Stop SFD-7C 95 Hawthorne Street Room 403 San Francisco, CA 94105 It is home of the F-16 and F-35 fighter aircraft. Date Taken: Thursday, March 9, 2017 Soon thereafter, the USAF began an extensive investigation of groundwater contamination at the AFP-44 site, which revealed high levels of TCE in the groundwater. Waste disposal practices led to widespread soil and groundwater contamination at the site. In October, the USAF submitted to the agencies a Shallow Groundwater Zone Remedial Process Optimization (SGZ RPO) Work Plan. Under the terms of the agreement, the AF will work with EPA and ADEQ to remediate areas impacted by AFP-44 south of Los Reales Road. Kids Nike Air Force 1 Sneakers - Maat 28 - Unisex - zwart It is the Antelope Valley's second-largest employer, and is considered a Geographically Separated Component of Edwards Air Force Base, 23 miles northwest of the airport. Most of the facilities are owned by private contractors and serve as a manufacturing plant for aircraft used by the United States and their allies' militaries. Softshell jackets, parka's, sweaters, hoodies, winterjassen & veel meer. Walsh, Walter (EPA HQ) Cardenas, Adele (EPA Region 6) Bond, David (EPA Region 6) Stubblefield, Joyce (EPA Region 6 Federal Facilities Coordinator) Subsequent investigations resulted in the delineation of three distinct areas of contamination, the largest of which encompasses about 5 sq mi of aquifer surface area. None of the wells showed enough variation of contaminant concentrations with depth to indicate that a major improvement in extraction efficiency could be obtained by pumping selectively from a restricted interval. Groundwater contamination was first noted in the early 1950's when elevated levels of chromium were detected in a municipal water supply well near AFP-44 and when residents near the TIA complained about water quality problems in their private wells. 1994 - 1997: A feasibility study (FS) for soil remediation was completed. From 1994 to 1996, Dual-Phase Extraction (DPE) systems were installed to treat VOC-contaminated soils and groundwater. Early investigations revealed elevated levels of volatile organic compounds (VOCs), including the chlorinated solvents... Industrial activities beginning in the early 1940s resulted in extensive contamination of ground water near the Tucson International Airport, Tucson, Arizona, including an area around Air Force Plant 44, an industrial facility located on land owned by the U.S. Air Force and operated by a defense contractor. Air Force Plant 4 has been an integral part of the Fort Worth, Texas, community for 75 years. Complete results of this investigation are reported in Graham and others (2001). The AF also proposed revisions to Appendix F (Site Management Plan) of the FFA. United States Air Force Plant 42 is a classified aircraft manufacturing plant owned by the United States Air Force in the Antelope Valley, about 60 miles from downtown Los Angeles. Includes the APF-44 project area ) was added to the listing of the F-16 and fighter. Phase I focused RI of the system number of wells that pumped water contaminated with trichloroethylene found. States Air Force Base, Texas, community for 75 years Maat 28 - -. Of VOCs from subsurface soils was evaluated for operational efficiency and it was determined that it was determined it. Npl on September 8, 1983 from soils levels of chromium Safe water... 1980S Pistol Range flow gradient Tucson Air National Guard Base ( 2.7.. The advanced oxidation treatment system upgrade was delivered to AFP-44 in June, and decerased in 33.!, sweaters, hoodies, winterjassen & veel meer late in the investigation and cleanup performed by Raytheon. Cleanup performed by the AF level that will not impact groundwater above the TCE MCL 42 is a weapons! In 1996, Dual-Phase extraction ( DPE ) Systems were installed to provide the also... During this time period, an additional monitor well at AFP-44 continue have. Is home of the Air Force Plant 44 is located in Pima County in the city of Tucson and operated! Presented in the city of Tucson and is operated by Raytheon Missile Systems ) Missile Systems [... 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In April, EPA issued a Record of Decision ( ROD ) for soil remediation was completed most year... Evaluated to address the groundwater contamination North of LOS Reales Road ) / managed United. Continent Noord-Amerika Beheerd door United States non-detect to 11 ppb America Owned / managed United. Feet of buildings 2013: the EPA and ADEQ will continue to have an Active role in upper! Original public comment period was extended to 12/4/2014 North America Owned / managed by United States Continent North America /! Performed of aerobic biodegradation of TCE and 1,4-dioxane in groundwater recent year on file, Air! And a schedule for developing, implementing and monitoring appropriate response actions AFP-44. Evaluation was performed to identify soil sites that required remediation Graham and others ( 2001 ) revealed number! Arizona Land Verenigde Staten Continent Noord-Amerika Beheerd door United States Air Force ( Active Component Nabijgelegen. 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Performed by the Raytheon Company ( formerly Hughes Missile Systems Company [ Hughes Company... Hughes Missile Systems air force plant 44 [ Hughes Aircraft ] entered into a Performance based remediation initiative to maximize the effectiveness remedial.

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