VANCOUVER, Wash. — Recent testing of fire-retardant treated wood (FRTW) by the Western Wood Preservers Institute (WWPI) finds that some manufacturers are offering unproven lower-cost alternatives that ...
BOISE, Idaho — U.S. officials are testing a new wildfire retardant after two decades of buying millions of gallons annually from one supplier, but watchdogs say the expensive strategy is overly ...
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