Concentration of 1,4-Dioxane in Wells Sampled During 2002-2009 in the Vicinity of the Tucson International Airport Area Superfund Site, Arizona; 2010; SIM; 3113; Tillman, Fred D. Results of the Analyses for 1,4-Dioxane of Groundwater Samples Collected in the Tucson Airport Remediation Project Area, South-Central Arizona, 2006-2009; 2009; OFR; 2009-1196; Tillman, Fred D. Trichloroethylene and 1,1-dichloroethylene concentrations in ground water after temporary shutdown of the reclamation well field at Air Force Plant 44, Tucson, Arizona, 1999; 2001; WRI; 2001-4177; Graham, D. D.; Allen, T. J.; Barackman, M. L.; DiGuiseppi, W. H.; Wallace, M. F. Contamination of ground water at the Tucson International Airport Area, Superfund Site, Tucson, Arizona; overview of hydrogeologic considerations, conditions as of 1995, and cleanup efforts; 1997; WRI; 97-4200; Graham, D. D.; Monical, J. E. Distribution and movement of trichloroethylene in ground water in the Tucson area, Arizona; 1987; WRI; 86-4313; Leake, S. A.; Hanson, R. T. Geographic Names Information System (GNIS), Mapping, Remote Sensing, and Geospatial Data. EPA issued this order using provisions from the Safe Drinking Water Act. City/Town Tucson State Arizona Country United States Continent North America Owned / managed by United States Air Force (Active Component) Nearby installations. Learn about great opportunities for enlisted airmen, officers and health care professionals. 2011: In September, the AF signed a FFA with EPA and ADEQ to clean up AF-owned property at AFP-44. Find out what makes this Lockheed Martin facility special. Details. These activities included: documenting potential sources of 1,4-dioxane; compiling and reviewing existing information related to 1,4-dioxane in groundwater; and identifying data gaps for defining the extent of the 1,4-dioxane contamination in the Regional Aquifer. LACKLAND AIR FORCE BASE, Texas -- The Air Force is always on the lookout for new ways to reduce, reuse and recycle. 1981: The EPA and the Arizona Department of Health Services identified VOCs in the upper zone of the regional aquifer beneath the TIA. In the 34 wells sampled, 1,4-dioxane concentrations ranged from non-detect in 10 wells to a high of 11 ppb in 2 wells (Figure 1). Below are publications associated with this project. In 1981, investigations of groundwater quality around Tucson International Airport revealed a number of wells that pumped water contaminated with trichloroethylene. Once the nature and extent of offsite 1,4-dioxane contamination is defined, technologies will be evaluated to address the groundwater contamination. 2006: The U.S. Geological Survey Arizona Water Science Center and the USAF Aeronautical Systems Command sampled several wells in July to investigate 1,4-dioxane contamination in groundwater west of AFP-44 and to further define the extent of the 1,4-dioxane groundwater plume. This agreement would establish a procedural framework and schedule for developing, implementing and monitoring appropriate response actions at the site. The AF also proposed revisions to Appendix F (Site Management Plan) of the FFA. Air Force Plant 4 (AFP4): November 13, 1997 Informational Teleconference . 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 original public comment period was 09/17/2014 to 10/16/2014. Minimal changes occurred at the perimeter of the plume, suggesting that operation of the reclamation well field has been successful at containing the spread of the plume. United States Air Force Plant 42: | | | United States Air Force Plant 42 | | | ... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and … Softshell jackets, parka's, sweaters, hoodies, winterjassen & veel meer. Over time, many of the facilities have gone on to be purchased by private operators, although a few still remain in operation as government facilities. Air Force Plant #44 Follow @currentopscom. 2014: The Air Force issued a Proposed Plan for No Further Action (NFA) at the 1980s Pistol Range. 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. Air Force Plant #44 Follow @currentopscom. Industrial activity at Air Force Plant 44 (AFP 44), a manufacturing facility located on property owned by the U.S. Air Force and operated by a major defense contractor, resulted in extensive contamination of groundwater with the industrial solvent trichloroethylene (TCE) and other organic compounds. 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. Although large quantities of contaminants have been removed from the subsurface at AFP 44, cleanup activities initiated in 1987 have not yet been successful for complete and permanent aquifer restoration. At Site 2, post-SVE monitoring was completed. EPA drafted a FFA and requested comments from the USAF and the ADEQ. 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. Complete results of this investigation are reported in Graham and others (2001). New contaminant-source areas were not identified. Get the Fire Dept latest news, contact info, logo, patch, photo, map, fire equipement, statistics, type of firefighters. 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. 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 Concentrations in 19 wells were greater than the California health advisory level of ≥3 µg/L, with 14 wells above the EPA Region 9 Preliminary Remediation Goal of 6.1 µg/L. Revised on: August 28, 2020 - 2:37pm . Also during this time period, an evaluation was performed of aerobic biodegradation of TCE and 1,4-dioxane in groundwater. The facility became United States Air Force Plant 42 in the early 1950s and has been serving the Air Force and its contractors ever since. In response to community concerns, the comment period was extended to 12/4/2014. From 1994 to 1996, Dual-Phase Extraction (DPE) systems were installed to treat VOC-contaminated soils and groundwater. Analyses of the two field blanks carried during supply/monitoring well sampling were non-detect for dioxane, indicating no cross-contamination in the transportation of these samples. 2013: The AF continued to investigate offsite 1,4-dioxane groundwater contamination north of AFP-44 (North of Los Reales Road). Military aircraft have been manufactured here since 1942. The USAF also further investigated an area of higher TCE contamination near monitor will EPA-03. Air Force Plant 42 Fire Department is found in Palmdale, LOS ANGELES county, CA. 1950s: This site is a federally-owned weapons manufacturing facility operated under contract by the Raytheon Company (formerly Hughes Missile Systems). Military aircraft have been manufactured here since 1942. 1985: The USAF issued a Record of Decision (ROD) for the regional groundwater at AFP-44. In 1996 and 1997, the USAF produced a new ROD that specified SVE treatment of VOC contaminated soils at AFP-44. The USAF submitted to the agencies a work plan for a Phase II focused RI of the 1,4-dioxane. The USAF completed the Phase I focused  RI of 1,4-dioxane. Beginning in 1981, the City of Tucson  closed all municipal wells that exceeded the state action level for trichloroethene (TCE), the primary groundwater contaminant, and notified private well users of the potential risks. Resulting groundwater contamination has spread northward beyond the project area boundaries because of the regional groundwater flow gradient. The sole-source regional aquifer underlying AFP 44 provides potable water for municipal, commercial, private, and industrial supplies for the City of Tucson, the municipality of South Tucson, adjacent areas of Pima County, and the Tohono O’odham Nation. The facility occupies over two million square feet of buildings. Recent projects by the USGS in the area include an investigation of the extent and trends in 1,4-dioxane contamination in groundwater and an investigation of hexavalent and total chromium in groundwater. Date Taken: Thursday, March 9, 2017 At its birth the plant was owned and operated by the U.S. Army, it was used by the Army and the U.S. Army Air Force during World War II. Waste disposal practices led to widespread soil and groundwater contamination at the site. AFCEC is the DoD leader in worldwide engineering and environmental services – enabling sustainable Air Force and Joint installations to project global air, space, and cyber power. This agreement will ensure that EPA and ADEQ will continue to have an active role in the investigation and cleanup performed by the AF. Tucson Air National Guard Base (2.7 mi.) It is home of the F-16 and F-35 fighter aircraft. Location of Air Force Plant 44 and Tucson International Airport Area Superfund Site, Tucson Basin, southeastern Arizona. Arizona, United States Valencia Armory (7.8 mi.) This plant would replace the existing treatment plant. 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. The AF completed work plans to perform expedited field investigations and treatability studies for alternative remedial actions at AFP-44, which were evaluated and approved by ADEQ and EPA. 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. In 1996, large-scale SVE systems were built to remove VOCs from soils. 2009: In September 2009, the advanced oxidation treatment system became fully operational. Since 1996, the DPE System had pumped and treated shallow groundwater and lowered the water table to expose more of the vadose zone to soil vapor extraction (SVE) treatment. Kids Nike Air Force 1 Sneakers - Maat 28 - Unisex - zwart Air Force Plant 4 is a government-owned, contractor-operated aerospace facility in Fort Worth, Texas, currently owned by the U.S. Air Force and operated by Lockheed Martin Aeronautics. The contracting team was tasked with performing expedited field investigations and treatability studies to provide the AF with alternative remedial. Plant 42 has been around for a long time. Late in the year, the USAF submitted a revised draft FFA to EPA. Extensive groundwater contamination resulting from industrial activities led to the listing of the Tucson International Airport Area as a Superfund Site in 1983. The work plan included installation of new monitor wells to further characterize the shallow groundwater zone. Vertical-profile samples were obtained in five wells. In response to community concerns, the comment period was extended to 12/4/2014. Together, the DPE and SVE systems removed approximately 107,514 pounds of VOCs from subsurface soils. The original public comment period was 09/17/2014 to 10/16/2014. The USAF, EPA, and ADEQ reviewed information pertaining to the status of solid waste management units (SWMUs) at AFP-44 as these would also be covered under the proposed FFA. Air Force Plant 44 is southwest of Tucson and is operated by Raytheon Missile Systems Company [Hughes Aircraft]. Concentrations of TCE increased in 36 wells, remained the same in 32 wells, and decerased in 33 wells. Quick facts. 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. In 2007, the most recent year on file, Us Air Force Plant 44 released 0 pounds of pollutants. 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