Chemical Respiratory Guide
Chemical Agent
CAS Number

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Chemical Name | CAS Number | Filter Type | Suggested Product | TLV(t) PEL(o) | IDLH | Comments |
---|---|---|---|---|---|---|
Hexachloronapthalene | 1335-87-1 | OV/N | 7400+8910 8100+8910 | 0.2 mg/m3 (o)(t); -skin- | 2 mg/m3 | |
Cotton Dust, (Raw) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.2 mg/m3 (t) - Lint free dust is measured by vertical elutriator; 1 mg/m3 (o) - Respirable dust is measured by vertical elutriator; Cotton Waste processing operations (of waste recycling and garnetting) | 100 mg/m3 | 5x PEL maximum for disposables. See 29CFR1910.1043 for other grade of cotton If oil is present use 2740R95 | |
2-Methylcyclopentadienyl Manganese Tricarbonyl | 12108-13-3 | OV/N | 7100+8910 8100+8910 | 0.2 mg/m3 (t); -skin- | If heat involved, use | |
Methyl Parathion | 290-00-0 | OV/P100 | 7100+7940 8100+8940 | 0.2 mg/m3 (t); -skin- | Substance for which an ACGIH BEI exists; t-A4 | |
Manganese, Metal Fume (as Mn) | 7439-96-5 | N | 2310/2315N95 2400/2800N95 | 0.2 mg/m3(t); 5 mg/m3 (c)-(o) | 500 mg/m3 (as Mn) | |
Biphenyl | 92-52-4 | OV/N | 8100+8910 7100+8910 | 0.2 ppm (o)(t) | 100mg/m3 | |
Silica-Crystalline; Quartz* | *14808-60-7 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.25 mg/m3 (t)* quartz 10 mg/m3 (o)* ----------------- %SiO2+2 or 250 mppcf (o)* --------------------- %SiO2+5 or 30 mg (o)/m3** ---------------------- %SiO2+2 | 50 mg/m3 (Crystalline quartz) | t-A2 *Respirable dust **Total dust |
Azinphos-methyl | 86-50-0 | OVRP | 8100+8970/8940 7100+8970/7940 | 0.2mg/m3 (o)(t); -*skin- -SEN- | 10mg/m3 | Substance for which an ACGIH BEI exists, t-A4; *measured as inhalable fraction and vapor |
ANTU | 86-88-4 | OV/NRP100 | 7100+7940 8100+8940 | 0.3mg/m3 (o)(t) | 100mg/m3 | t-A4 |
Diethanolamine | 111-42-2 | OV | 7100 8100 | 0.46 (t); -skin- | Add 8970/8940 if particulate is present |