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 |
|---|---|---|---|---|---|---|
| Acetic Anhydride | 108-24-7 | FF-OV | 9001/2/3+ 7100 | 5 ppm (o) 1 ppm (t) | 200 ppm | t-A4 |
| Acetone | 67-64-1 | OV | 7100 8100 | 500 ppm (t) 1,000 (o) 750 (s)-(t) | 2,500 ppm [10% Lower explosion limit] | Substance for which ACGIH BEI exists; ACGIH NIC to 200 ppm (t) & 500 (c)-(t); t-A4 |
| Acetylsalicylic Acid | 50-78-2 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5mg/m3 (t) | ||
| Acrylamide | 79-06-1 | OV/P100 | 7100+7940 8100+8940 | .03mg/m3 (t)*; .3mg/m3 (o) -skin- | 60mg/m3 | t-A3; -*Measured as inhalable fraction and vapor |
| Acrylic Acid | 79-10-7 | FFOV | 9001/2/3+7100 | ppm,(t) -skin- | N.D. | t-A4 |
| Acrylonitrile | 107-13-1 | OV; Change every shift | 7100 8100 | 2 ppm (o)(t)*; 10 ppm (c)-(o) -skin- | 85 ppm | Dispose of Cartridge after shift; See 29 CFR 1910.1045; O-Ca; t-A3 |
| Allyl alcohol | 107-18-6 | FFOV | 9001/2/3+ 7100 | 2 ppm (o) 0.5 ppm (t) -skin- | 20 ppm | t-A4 |
| Allyl chloride | 107-5-1 | OV | 7100 8100 | 1 ppm (o)(t) | 250 ppm | t-A3 |
| Aluminum, Metal Dust | 7429-90-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dusts 15mg/m3 (o); Respirable dusts 5mg/m3 (o) 1mg/m3 (t) respirable fraction | T-A4 | |
| Ammonia | 7664-41-7 | AM | 7400/8400 7600/8600 | 35 ppm (s)-(t); 25 ppm (t) 50 ppm (o) | 300 ppm | Must wear chemical goggles when using half mask respirator |
