Learn about great opportunities for enlisted airmen, officers and health care professionals. 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. U.S. Air Force Plant 44 | Site Repository. The original public comment period was 09/17/2014 to 10/16/2014. 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. Additional responsibilities are to provide public information relevant to groundwater contamination at AFP 44 and other areas of the Tucson International Airport Area (TIAA) Superfund Site, remediation activities, and associated geohydrologic and technical issues. Waste disposal practices led to widespread soil and groundwater contamination at the site. Also during this time period, an evaluation was performed of aerobic biodegradation of TCE and 1,4-dioxane in groundwater. It is home of the F-16 and F-35 fighter aircraft. 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. LACKLAND AIR FORCE BASE, Texas -- The Air Force is always on the lookout for new ways to reduce, reuse and recycle. Us Air Force Plant 44 is located in Pima County in the city of Tucson, AZ. The USAF also further investigated an area of higher TCE contamination near monitor will EPA-03. 2000: In September, one source area (Site 1) was closed after vadose zone contamination was reduced to a level where groundwater would not be impacted above the maximum contaminant level (MCL). Nike delivers innovative products, experiences and services to inspire athletes. 1985: The USAF issued a Record of Decision (ROD) for the regional groundwater at AFP-44. They also submitted a final Shallow Groundwater Zone Remedial Process Optimization work plan that included rotosonic drilling of five boreholes and two or three wells for further characterization of the shallow groundwater zone. During the existence of the United States Air Force, there have been many plants that have been owned by the service and were operated by private contractors. 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. This system was installed to provide containment and remediation of regional aquifer groundwater contamination. 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. 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). 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. EPA drafted a FFA and requested comments from the USAF and the ADEQ. This agreement will ensure that EPA and ADEQ will continue to have an active role in the investigation and cleanup performed by the AF. Polluter data was obtained from the Toxic Release Inventory Program. From 1994 to 1996, Dual-Phase Extraction (DPE) systems were installed to treat VOC-contaminated soils and groundwater. 2013: The AF continued to investigate offsite 1,4-dioxane groundwater contamination north of AFP-44 (North of Los Reales Road). 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. 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. Military aircraft have been manufactured here since 1942. 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. Arizona, United States Valencia Armory (7.8 mi.) Data from 101 wells sampled before and after shutdown of extraction and recharge wells AFP44 were compared. In early 2008, the DPE system was evaluated for operational efficiency and it was determined that it was no longer effective. The USAF submitted to the agencies a work plan for a Phase II focused RI of the 1,4-dioxane. Air Force Plant 4 has been an integral part of the Fort Worth, Texas, community for 75 years. Vadose zone contamination was reduced to a level that will not impact groundwater above the TCE MCL. The U.S. Environmental Protection Agency identified contaminants in the upper several hundred feet of the regional aquifer underlying areas around the Tucson Airport and identified a number of sources of contamination, including some at AFP 44. Increases of concentration of TCE of as much as 1,476 micrograms per liter and decreases of as much as 2,292 micrograms per liter were reported after shutdown. Air Force Plant 42 is a music company based out of 800 Independence Ave Sw, Washington, DC, United States. Vertical-profile samples were obtained in five wells. 88-29 Author: US EPA, OLEM, Office of Resource Conservation and Recovery Subject: Fact Sheet and Order Denying Review for Hughes Aircraft Company Air Force Plant 44, Resource Conservation and … City/Town Tucson State Arizona Country United States Continent North America Owned / managed by United States Air Force (Active Component) Nearby installations. This agreement would establish a procedural framework and schedule for developing, implementing and monitoring appropriate response actions at the site. In 1996, large-scale SVE systems were built to remove VOCs from soils. Nike Air Force 1 '07 LV8 2 BQ4421-100, Mannen, Wit, Sneakers maat: 44.5 EU - van Nike in de categorie Sneakers. 2007: On July 13th, the EPA issued an order to the USAF and Raytheon to design, build, and operate an advanced oxidation treatment plant at AFP-44 to treat TCE and 1,4-dioxane. 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. Air Force Plant #4 Project Xl Teleconference November 13, 1997 . The original public comment period was 09/17/2014 to 10/16/2014. 1983: The TIAA Superfund site (which includes the APF-44 project area) was added to the NPL on September 8, 1983. 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. 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