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 |
|---|---|---|---|---|---|---|
| Silica-Crystalline; Tripoli | 1317-95-9 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | (o) use the value calculated from the formulas for quartz | 50 mg/m3 | |
| Silica-Crystalline (Cristobalite* & Tridymite?) | *14464-46-1, ?15468-32-3 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | (Cristobalite only) 0.025 mg/m3 (t) (Respirable); (o)respirable fraction use 1?2 the value calculated from the formulas (applies to quartz for cristabolite & tridymite.) | 25 mg/m3 | t-A2 |
| Silicon | 7440-21-3 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 15 mg/m3 (o); total dust Respirable fraction 5 mg/m3 (o) | ||
| Silicon Carbide | 409-21-2 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 15 mg/m3 (o); Respirable fraction 5 mg/m3 (o) | t-A4 | |
| Silver, Metal; Dust | 7440-22-4 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.01 mg/m3(o); 0.1 mg/m3 (t) | 10 mg/m3 (as Ag) | |
| Silver, Soluble Compounds (as Ag) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.01 mg/m3 (o)(t) {water based} | 10 mg/m3 (as Ag) | ||
| Soapstone | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 20 mppcf (o); Respirable fraction 3 mg/m3 (t) 6 mg/m3 (t) inhalable | 3,000 mg/m3 | Total dust containingno Asbestos and <1% Crystalline Silica | |
| Sodium Aluminum Flouride | 15096-52-3 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 2.5 mg/m3 (o)(t) | 250 mg/m3 (as F) | t-A4 |
| Tert-Butyl Chromate (as CrO3) | 1189-85-1 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.005 mg/m3 (c)-(o)(t); -skin- | 15mg/m3 as Cr(VI) | |
| Sodium Fluoroacetate | 62-74-8 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.05 mg/m3 (o)(t); -skin- | 2.5 mg/m3 |
