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 |
|---|---|---|---|---|---|---|
| Captan (Inhalable Fraction) | 133-06-2 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5 mg/m3(t) | SEN | |
| Carbon Black | 1333-86-4 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 3.5 mg/m3 (o)(t) | 1,750 mg/m3 | t-A4 ACGIH NIC to 3mg/m3 measured as inhalable fraction & NIC t-A3 |
| 2,4,5-T | 93-76-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 10 mg/m3 (o)(t) | 250 mg/m3 | t-A4 |
| Talc; (Containing no Asbestos Fibers) | 14807-96-6 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Respirable dust* 2 mg/m3 (t); 20mppcf (o) [containing <1% quartz] | 1,000 mg/m3 | *Particulate containing no Asbestos and <1% Crystalline Silica, t-A4 |
| Tantalum, Metal & Oxide Dusts (as Ta) | 7440-25-7 (metal) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5 mg/m3 (o)(t) | 2,500 mg/m3 (as Ta) | |
| Cellulose | 9004-34-6 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total Dust 15 mg/m3 (o), 10 mg/m3 (t); Respirable fraction 5 mg/m3 (o) | ||
| 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 |
| Cesium Hydroxide | 21351-79-1 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 2 mg/m3 (t) | ||
| Terphenyls | 26140-60-3 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5 mg/m3 (c)(t) 9 mg/m3 (c)(o) | 500 mg/m3 | OV w/ particulate filter may be suggested if heat is involved |
| Tetryl | 479-45-8 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 1.5 mg/m3 (o)(t); -skin- | 750 mg/m3 |
