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 |
|---|---|---|---|---|---|---|
| Bromoform | 75-25-2 | FF-OV | 9001/2/3+ 7100 | 0.5 ppm (o)(t) -skin- | 850 ppm | t-A3 |
| Butyl Acrylate | 141-32-2 | OV | 7100 8100 | 2 ppm (t) -SEN-\ | t-A4 | |
| Butyl Mercaptan | 109-79-5 | OV | 7100 8100 | 0.5 ppm (t) 10 ppm (o) | 500 ppm | |
| Butylated Hydroxytoluene | 128-37-0 | FF-OVN95 | 9001/2/3+ 7100+8910 | 2mg/m3 (t) * | N.D. | *Measured as inhalable fraction and vapor |
| Butylglycol | 111-76-2 | FF-OV | 9001/2/3+ 7100 | 50 ppm (o) 20 ppm (t) -skin- | 700 ppm | Substance for which ACGIH BEI exists Add particulate prefilter if particulate is present |
| 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. |
| Calcium Carbonate | 471-34-1, 1317-65-3 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total particulates 15 mg/m3 (o) Respirable fraction 5 mg/m3 (o) | ||
| Calcium Cyanamide | 156-62-7 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.5 mg/m3 (t) | t-A4 | |
| Calcium Hydroxide | 1305-62-0 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 5 mg/m3 (t), 15 mg/m3 (o); Respirable fraction 5 mg/m3 (o) |
