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3mg/m3 2mg/m3 4mg/m3 5mg/m3
14mg/m3 20mg/m3 25mg/m3 31.5mg/m3
(20mg/m3) (15mg/m3) (5mg/m3) (50mg/m3)
15mg/m3(10ppm) 30mg/m3(20ppm) 75mg/m3(50ppm) 150mg/m3(100ppm)
15mg/m3(10ppm) 30mg/m3(20ppm) 150mg/m3(100ppm)
22.5mg/m3 30mg/m3 150mg/m3 300mg/m3
3.7mg/m3 3.75mg/m3 7.5mg/m3 8mg/m3 15mg/m3
当H2S浓度达到0.035mg/m3,可明显嗅出 当H2S浓度达到0.4mg/m3,可明显嗅出 当H2S浓度超过10mg/m3,浓度继续升高而嗅味反而减弱 当H2S浓度在4~7mg/m3,有中等强度难闻嗅味
10mg/m3 20mg/m3 30mg/m3 50mg/m3
15mg/m3(10ppm) 30mg/m3(20ppm) 150mg/m3(100ppm)