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 |
|---|---|---|---|---|---|---|
| Chromium (VI) Compounds; Certain Water Insolubles (as Cr) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.01mg/m3 (t); 0.005mg/m3 (o) as Cr(VI) | 15mg/m3 | t-A1; For specific information, refer to OSHA 29CFR1910.1026 | |
| Chromium, Metal (as Cr) | 7440-47-3 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.5mg/m3 (t); 1mg/m3 (o) | 250mg/m3 | For specific information, refer to: NIOSH Pocket Guide to Chemical Hazards; t-A4 |
| Coal Dust | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Respirable fraction .4mg/m3 (t) Anthracite; .9mg/m3 (t) Bituminous; or 2.4 mg/m3(o)* ---------------- %SiO2+2 or 10 mg/m3(o)** ---------------- %SiO2+2 | 15mg/m3 | For specific information, refer to NIOSH Pocket Guide to Chemical Hazards; *<5% SiO2 Resp.quartz fraction; **>5% SiO2 Resp. quartz fraction; t-A4 | |
| Coal Tar Pitch Volatiles (as Benzene Solubles) | 65996-93-20 | RP | 2740R95 7940/7990 8940/8990 | 0.2 mg/m3 (o)(t) | 80mg/m3 | Confirmed Human Carcinogen; t-A1 |
| Cobalt, Metal Dusts and Fumes (as Co) | 7440-48-4 | NRP100 | 2730N100 2360P100 7940/7990 8940/8990 | 0.1 mg/m3(o); 0.02 mg/m3 (t) | 20 mg/m3 | t-A3; substances for which an ACGIH BEI exists |
| Coke Oven Emissions | RP | 2740R95/8970 7940/7990 8940/8990 | 0.15 mg/m3 (o) (Benzene soluble fraction) | See 29CFR1910.1029; O-Ca | ||
| Copper, Dusts and Mists (as Cu) | 7440-50-8 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 1.0 mg/m3 (o)(t) {water based mists} | 100 mg/m3 | |
| Copper, Fume (as Cu) | 7440-50-8 | N | 2310/2315N99 2400/2800N95 | 0.1 mg/m3(o); 0.2 mg/m3 (t) | 100 mg/m3 | |
| Cotton Dust, (Raw) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.2 mg/m3 (t) - Lint free dust is measured by vertical elutriator; 1 mg/m3 (o) - Respirable dust is measured by vertical elutriator; Cotton Waste processing operations (of waste recycling and garnetting) | 100 mg/m3 | 5x PEL maximum for disposables. See 29CFR1910.1043 for other grade of cotton If oil is present use 2740R95 | |
| Crag Herbicide | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 15mg/m3 (o) total dust; 5mg/m3 (o) respirable dust | t-A4 |
