APPENDIX C Harrison, Arkansas, Everton Electronic Scoring Site ...

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Realistic Bomber Training Initiative 3.16 Polychlorinated Biphenyls (PCB) PCB content in transformers is considered negligible due to their recent installation. Ninety nine percent of energy transformers in the region contain less than 50 PPM of PCBs (Harrell 1998). No other PCB sources have been identified. 3.17 Radon The Everton Electronic Scoring Site falls within Zone 2 of the EPA Map of Radon Zones, indicating a potential for radon contamination. The facility is a modular trailer, situated about 3 feet above unsealed ground. No radon testing has been performed at any of the sites (Brumett 1998). 3.18 Lead-Based Paint Due to the recent construction of the Everton Electronic Scoring Site and lack of structures at the Mini-MUTE sites, no lead-based paints are known to have been used. All paints are stored in designated areas on site. 3.19 Surface Waters and Wetlands The Everton Electronic Scoring Site and the Mini-MUTE sites are primarily drained by sheet flow along defined slopes. A dry drainage swale is located in the northeast corner of Mini- MUTE site 4MM1. A defined drainage channel is found in the southeast corner of Mini-MUTE site 4MM5. This channel was dry and is probably only active during large precipitation events. No wetlands occurred at any of the Mini-MUTE sites or the Everton Electronic Scoring Site. Mini-MUTE site 4MM4 has a small agricultural pond located inside the first barbed wire security fence. Grazing continues on this site and the pond is used as a water source for cattle. 3.20 Soil Contamination No major incidents of soil contamination are known to occur at any of the sites (Brumett 1998, Angus 1998). No major spills are known to have occurred at the Everton Electronic Scoring Site or any of the Mini-MUTE sites (Brumett 1998, Angus 1998). According to an Internal ECAMP performed in 1996, two small spills have occurred. One was a 2-quart spill of transmitter oil that occurred on March 23, 1995. The other was a 3-gallon spill of roof tar on July 24, 1995 (USAF C-12 Final Environmental Baseline Survey March 2000
Realistic Bomber Training Initiative 1996). A 4-foot stain was observed near the jammer equipment on the east side of the facility. The stain may have resulted from spilled cooking oil used to deep fry turkeys (Angus 1998). Two creosote stains have occurred around power poles. One stain was around a utility pole in the northeast corner of the Everton Electronic Scoring Site that had been in place since 1997 (Angus 1998). The stain is approximately one foot in diameter. The other stain is around a utility pole at Mini-MUTE site 4MM4. Final Environmental Baseline Survey C-13 March 2000
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APPENDIX C Harrison, Arkansas, Everton Electronic Scoring Site ...

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