Cammack, C.F. . 1996. Air Tanker Washdown Facilities: FY-96 Project Status Report. 9651 1208. San Dimas, CA: U.S. Department of Agriculture, Forest Service, San Dimas Technology and Development Center. 64 p.
Recent environmental concerns have identified the need to address airtanker ramp and helicopter pad washdown residues. Even though the material is, for the most part, a liquid fertilizer, there are environmental impact concerns which affect each facility. Whether the residue is going into a collection system, into an evaporation lagoon, into the ground, or sprinkled onto the land, the Forest Service needs to consider the environmental impact, harmful or not. It is essential that approved disposal systems be developed and implemented before the Forest Service is faced with outside direction to correct the problem. Providing and implementing effective treatment and/or disposal systems, in the short term, may prove to be less costly than a directed clean up of retardant soaked land.
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