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 (II) Compounds - (as Cr) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.5mg/m3 (o) | 250mg/m3 | For specific information, refer to: NIOSH Pocket Guide to Chemical Hazards | |
| Chromium (III) Compounds - (as Cr) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.5mg/m3 (o)(t) | 25mg/m3 | For specific information, refer to NIOSH Pocket Guide to Chemical Hazards; t-A4 | |
| 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 | |
| Coke Oven Emissions | RP | 2740R95/8970 7940/7990 8940/8990 | 0.15 mg/m3 (o) (Benzene soluble fraction) | See 29CFR1910.1029; O-Ca | ||
| Chromium (VI) Compounds - Dusts; Water Soluble (as Cr) Includes Chromic Acid and (see also Lead and Zinc Chromate) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.05mg/m3 (t); 0.005mg/m3 (o); as Cr(VI) 0.1mg CrO3/m3 (c)-(o) | 15mg/m3 | t-A1; Also see specific compounds. Substance for which an ACGIH BEI exists. For specific information, refer to OSHA 29CFR1910.1026 | |
| 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 | |
| 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 | ||
| Fibrous Glass Dust, Glass Fibers, Glass Wool, Rock Wool, Slag Wool, Continuous Filament Glass Fibers** | N95 | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 1 f/cc (t)*; Total 15 mg/m3 (o); respirable fraction 5 mg/m3 (o); **5mg/m3 (measured as inhalable fraction) | *(t)-A3 Respirable fiber longer than 5 u; diameter; aspect ratio >3:1 as det. by mem. Filt. meth 400-450 X mag (4mm obj.) phas. cont.illum. **(t)-A4 | ||
| Grain Dust (Oat, Wheat, Barley) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 4 mg/m3(t)*; 10 mg/m3 (o) -SEN | *Inhalable dust |
