Chemical Respiratory Guide
Chemical Agent
CAS Number
Chemical Respiratory ChartDownload a printable version
| Chemical Name | CAS Number | Filter Type | Suggested Product | TLV(t) PEL(o) | IDLH | Comments |
|---|---|---|---|---|---|---|
| Copper, Fume (as Cu) | 7440-50-8 | N | 2310/2315N99 2400/2800N95 | 0.1 mg/m3(o); 0.2 mg/m3 (t) | 100 mg/m3 | |
| Zinc Chloride, Fume | 7646-85-7 | N | 2310/2315N99 2400/2800N95 | 1 mg/m3 (o)(t); 2 mg/m3 (s)-(t) | 50 mg/m3 | |
| Zinc oxide, fume | 1314-13-2 | N | 2310/2315N99 2400/2800N95 | 5 mg/m3(o) | 500 mg/m3 | |
| Iron Oxide, Dust & Fume (as Fe) | 1309-37-1 | N | 2310/2315N99 2400/2800N95 | 5 mg/m3(t)*, 10 mg/m3 (o) | 2,500 mg/m3 (as Fe) | t-A4, *Particulate containing no Asbestos and and < 1% Crystalline Silica. |
| 4,4-Methylenedianilene | 101-77-9 | NRP100 | 2730N100 2360P100 7940/7990 8940/7990 | 0.01 ppm (o); 0.1 ppm (t); 0.1 ppm (s)-(o); -skin- | Need OV/NRP100 if heat is involved. See 29 CFR 1910.1050; O-Ca; t-A3 | |
| Rhodium, Soluble Compounds (as Rh) | NRP100 | 2730N100 2360P100 7940/7990 8940/8990 | 0.001 mg/m3(o); 0.01 mg/m3 (t) | 2 mg/m3 (as Rh) | t-A4 | |
| Cadmium, Dust as Cd | 7440-43-9; varies | NRP100 | 2730N100 2360P100 7940/7990 8940/8990 | Total (inhalable) dust/particulates 0.005 mg/m3 (o) 0.01 mg/m3 (t); Respirable 0.002 mg/m3 (t) | 9 mg/m3 | See 29CFR1910.1027 and Table Z-2; O-Ca; t-A2. Substance for which an ACGIH BEI exists. |
| Cadmium, Fume | 7440-43-9 | NRP100 | 2730N100 2360P100 7940/7990 8940/8990 | Total (inhalable) dust/particulate 0.005 mg/m3 (o) 0.01 mg/m3 (t); Respirable 0.002 mg/m3 (t) | 9 mg/m3 | See 29CFR1910.1027 and Table Z-2; O-Ca; t-A2. Substance for which an ACGIH BEI exists. |
| Cobalt, Metal Dusts and Fumes (as Co) | 7440-48-4 | NRP100 | 2730N100 2360P100 7940/7990 8940/8990 | 0.1 mg/m3(o); 0.02 mg/m3 (t) | 20 mg/m3 | t-A3; substances for which an ACGIH BEI exists |
| Lead, Metal* & Inorganic Compounds (Dust and Fume) | 7439-92-1 | NRP100 | 2730N100 2360P100 7940/7990 8940/8990 | 0.05 mg/m3 (o)(t) | 100mg/m3 (as Pb) | See 29CFR1910.1025 t-A3, Substance for which an ACGIH BEI exists; 29CFR1910.62 Construction standard |
