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ĺһwzyxĈ(sh)ֵһԷ֞һֵ͈A(ch)LͶ߈ֵA(ch)HɂeЩx߀֧
yʽĺһwҪᘌһ̼ȼw飩A(y)oھwĈO(sh)ֵÿNywP(gun)Ҙ˜(j)
ĺһwxֵO(sh)Ҙ˜
1ȼwһO(sh)ֵ(yng)Сڻ25%LELȼwĶO(sh)ֵ(yng)Сڻ50%LEL
2жwһO(sh)ֵ(yng)Сڻ100%OEL5%IDLHжwĶO(sh)ֵ(yng)Сڻ200%OEL10%IDLH
3h(hun)^O(sh)ֵ˞23.5%VOLh(hun)ǷO(sh)ֵ˞19.5%VOL
LELʾǿȼw*ͱըޝֵOELI(y)кصĽ|ֵָڄI(y)Lڷ(f)|CwԻкS|ˮƽIDLHָкh(hun)п՚Ⱦ_ijNΣUˮƽÓpʹʧ
Ҏ(gu)µĺһwșzyxֵ
H2SһALֵ͈≤10mg/m3AH߈ֵ≤20mg/m3
COһALֵ͈≤20mg/m3AH߈ֵ≤40mg/m3
EX.һALֵ͈≤25%LELAH߈ֵ≤50%LEL
O2һALֵ͈≥19.5%VOLAH߈ֵ≤23.5%VOL
ĺһwzyxλQ㣨ȫppm@ʾ
H2Sֵ͈10mg/m3≈6ppm(yng)ĸ߈ֵͼs12ppm
COֵ͈20mg/m3=16ppm(yng)ĸ߈ֵ͵48ppm
EXCH4ֵ͈25%LEL=1.25%VOL=12500ppm, (yng)ĸ߈ֵ͵2.5%VOL25000ppm
O2ֵ͈19.5%VOL=195000ppm(yng)ĸ߈ֵ͵235000ppm
ԲMڸ߾ȚwERUN-PG71S4yʽĺһwzyx܉١ʴ_ȫЧęzy@ʾȼwһ̼wĝֵһwȳx+W++@ʾ֧PC-TWAPC-STELI(y)|ֵģʽzy̷͈O(sh)ֵքe£
O20-30%VOLAL=19.5%VOLAH=23%VOL늻W(xu)ԭ
EX.0-100%LELAL=20%LELAH=50%LELȼԭ
H2S0-100ppmAL=5ppmAH=10ppm늻W(xu)ԭ
CO0-500ppmAL=15ppmAH=30ppm늻W(xu)ԭ
˕ʲôжwһ̼ڙzyrxhI(y)|̷ֵ䌍@ҪǸ(j)F(xin)Hʹ^еĠrO(sh)ڵѾܵͨL(fng)r^gLڵķeۣHϵһֵ̼ܸ˱xLܵ^M̵ĸߝȚwӰ푏Ķl(f)Ưˣ(yng)x܉M^(sh)rh(hun)µĚwzyЩrһ̼zyܕx0-1000ppm
ϾP(gun)
ĺһwzyxP(gun)BY(ji)һ
yʽĺһwO(sh)ˑ(yng)ՇP(gun)˜ʁ(zh)֮߀(yng)(j)ҪzyČHF(xin)rr팦ĺһwx̷Mд_@ӲܸӜʴ_ɿČF(xin)еĚwMЙzyκɆgӭԃAFˆT