California debate over wildfire retardant is heating up
As the first heat wave of summer plunges California into yet another wildfire season, some environmental groups are taking aim at a commercial fire retardant that most residents have grown all too familiar with during recent, devastating fire years.Phos-Chek, that neon-pink goo that airplanes dump over wildfires, is a sticky slurry of ammonium phosphate designed to coat vegetation and other fuels to deprive advancing flames of oxygen. Fire authorities swear by the product, calling it indispensable. But critics argue that…