2 1 10 part 41 - general test methods, nonmetal; statistical methods; space simulation; particle size measurement; laboratory apparatus; durability of nonmetallic materials; resource recovery; solar energy conversion; compatibility and sensitivity of materials in oxygen enriched atmospheres; metric practice American Society for Testing and Materials Primary Author mixed material Philadelphia American Society for Testing and Materials 1981 P-41.jpg section 14 general methods and instrumentation - volume 14.04 laboratory apparatus; degradation of materials; SI; oxygen fire safety ASTM International Primary Author mixed material 080313228X Pennsylvania ASTM International 2002 14.04.jpg