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 |
|---|---|---|---|---|---|---|
| Yttrium*, Metal & cpds; Dusts & Metals (as Y) | *7440-65-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 1 mg/m3 (o)(t) | 500 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 Chromate as cr | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.01 mg/m3 0.1 mg/m3 (c)-(t) as CrO3 | t-A1 | ||
| Zinc Oxide, Dust | 1314-13-2 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total particulates 15 mg/m3 (o); Respirable fraction 5 mg/m3 (o) 10 mg/m3 (s)-(t) 2 mg/m3 (t) | 500 mg/m3 | |
| Zinc oxide, fume | 1314-13-2 | N | 2310/2315N99 2400/2800N95 | 5 mg/m3(o) | 500 mg/m3 | |
| Zinc stearate | 557-05-1 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 10 mg/m3 (t), 15 mg/m3 (o); Respirable fraction 5 mg/m3 (o) | ||
| Zirconium* compounds dusts and mists (as Zr) | *7440-67-7 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5 mg/m3 (o)(t); 10 mg/m3 (s)-(t) {water based mists} | 50 mg/m3 | t-A4 |
