. Effects of ammonium sulfate and ammonium phosphate on flammability . 300 f A 6000 - 5000 - 4000 - 3000 - 2000 ? 1000 Grams of chemical per square foot ? (NH4);SO, - 6000 5000 4000 3000 £ 2000 ° 1000 12 Grams of chemical per square foot Figure of (NH^)2S0^ on the rate of weight loss or equivalent energy release rate in pine needle fuel. 13

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