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 |
|---|---|---|---|---|---|---|
| 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 | |
| Ronnel | 299-84-3 | OV/NRP100 | 7100+7940 8100+8940 | 5 mg/m3 (t)* 15 mg/m3 (o) | 300 mg/m3 | Substance for which ACGIH BEI exists, t-A4. *Measured as inhalable fraction and vapor |
| Rotenone | 83-79-4 | OV/NRP100 | 7100+7940 8100+8940 | 5 mg/m3 (o)(t) | 2,500 mg/m3 | t-A4 |
| Rouge | 1309-37-1 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 15 mg/m3 (o); Respirable fraction 5 mg/m3 (o) | ||
| sec-Amyl Acetate | 626-38-0 | OV | 7100 8100 | 50 ppm (t) 125 ppm (o) 100 ppm (s)-(t) | 1,000 ppm | Add 8940 if Particulate is present |
| sec-Butyl Acetate | 105-46-4 | FF-OV | 9001/2/3+ 7100 | 200 ppm (o)(t) | 1700 ppm [10%LEL] | Add particulate prefilter if particulate is present |
| sec-Butyl Alcohol | 78-92-2 | FF-OV | 9001/2/3+ 7100 | 150 ppm (o) 100 ppm (t) | 2000 ppm | |
| sec-Hexyl acetate | 108-84-9 | FF-OV | 9001/2/3+ 7100 | 50 ppm (o) (t) | 500 ppm | Add particulate prefilter if particulate is present |
| Selenium* & Compounds; Dusts & Mists (except Hexafluoride) (as Se) | *7782-49-2 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.2 mg/m3 (o)(t) | 1 mg/m3 (as Se) | |
| Silica-Amorphous, Diatomaceous Earth (Uncalcined) | 61790-53-2 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 20 mppcf (o) or 80 mg/m3 (o) ---------------- %SiO2 | 3000 mg/m3 |
