Dead fuels
	v Four size classes with characteristic reaction times (time lags) to changes in atmospheric moisture v 1-h       0 to 0.25" (0-6mm) v 10-h     0.25 to 1.0" (6 to 25mm) v 100-h     1.0 to 3.0" (25 to 76mm) v 1000-h     3.0 to 8.0" (76 to 203mm)