Chemical Respiratory Guide
Chemical Agent
CAS Number
Chemical Respiratory Chart
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Chemical Name | CAS Number | Filter Type | Suggested Product | TLV(t) PEL(o) | IDLH | Comments |
---|---|---|---|---|---|---|
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) | |
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 |
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 | |
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 (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 | |
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 | |
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 |