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-Amorphous, Precipitated Silica and Silica Gel | *112926-00-8 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 20 mppcf (o) or 80 mg/m3 (o) --------------- %SiO2 | 3000 mg/m3 | |
| Tellurium* & Compounds, Dusts & Mists (Except Hexafluoride) (as Te) | *13494-80-9 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.1 mg/m3 (o)(t)* {water based mists} | 25 mg/m3 | *Except Hydrogen Telluride |
| 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 |
| Silica-Crystalline; Quartz* | *14808-60-7 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.25 mg/m3 (t)* quartz 10 mg/m3 (o)* ----------------- %SiO2+2 or 250 mppcf (o)* --------------------- %SiO2+5 or 30 mg (o)/m3** ---------------------- %SiO2+2 | 50 mg/m3 (Crystalline quartz) | t-A2 *Respirable dust **Total dust |
| Manganese*, Dust & Inorganic Compounds (as Mn) | *7439-96-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5 mg/m3 (c)-(o); 0.2 mg/m3 (t) | 500 mg/m3 (as Mn) | ACGIH NIC to .03mg/m3 respirable fraction |
| Rhodium, Metal* and Insoluble Compounds, Dusts and Mists (as Rh) | *7440-16-6 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.1 mg/m3(o); 1 mg/m3 (t) {water-based} | 100 mg/m3 (as Rh) | t-A4 |
| Thallium*, Elemental and Soluble Compounds (as Ti) | *7440-28-0 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.1 mg/m3 (o); 0.02 mg/m3 (t)* -skin- | 15 mg/m3 (as Ti) | Measured as inhalable fraction and vapors |
| Tungsten*, & Insoluble Compounds (as W) | *7440-33-7 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5 mg/m3 (t); 10 mg/m3 (s)-(t) | ||
| Antimony* & Compounds (as Sb), Dusts & Mists | *7440-36-0 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.5mg/m3 (o)(t) {water based mists} | 50mg/m3 (as Sb) | |
| Arsenic, Elemental & Inorganic Compounds (except Arsine) (as As) | *7440-38-2 | NRP100 | 2730N100 2360P100 8940/8990 7940/7990 | 0.01mg/m3 (o)(t) | 5mg/m3 | *See 29CFR1910.1018; O-Ca; t-A1; substance for which an ACGIH BEI exists |
