来源:环评互联网2017-07-18
美国材料与实验协会(americansocietyfortestingandmaterials,astm)standardpracticefordeterminingvolatileorganiccompound...theairqualityguidelinesforspecificsubstances,whiletheydonotrefertospecificenvironmentalsettings,maybedifficulttoapplytotheindoorenvironment.forexample