Chemical Respiratory Guide
Chemical Agent
CAS Number

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Chemical Name | CAS Number | Filter Type | Suggested Product | TLV(t) PEL(o) | IDLH | Comments |
---|---|---|---|---|---|---|
Hexane (Isomers other than n-Hexane) | OV | 7100 8100 | 500 ppm (t); 1,000 ppm (s)-(t) | |||
Iron Salts, Soluble (as Fe) | N | EZ22/EZ23N95 2200/2300N95 2400/2800N95 | 1 mg/m3 (t) | |||
Mercury, Aryl Compounds (as Hg) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.1 mg/m3 (t); 0.1 mg/m3 (c)-(o); -skin- | For dust with no vapor pressure; Substance for which ACGIH BEI exists | ||
Nickel, Soluble Compounds (as Ni) | N {water soluble} | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.1 mg/m3 (t)* 1 mg/m3 (o) | 10 mg/m3 (as Ni) | *Inhalable fraction, t-A4 | |
Nickel, Insoluble Compounds (as Ni) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 1.0 mg/m3 (o), .2 mg/m3 (t)* | 10 mg/m3 (as Ni) | *Inhalable fraction, t-A1 | |
Octane | OV | 7100 8100 | 500 ppm (o)* 300 ppm ((t); | 1,000 ppm; [10% Lower explosion limit] | *n-Octane only | |
Oil Mist (Mineral); | RP | 2740R95/8970 7940/7990 8940/8990 | 5 mg/m3 (o)(t)*; 10 mg/m3 (s)(t) | 2,500 mg/m3 | *Measured as inhalable fraction and vapor | |
Particulates Not Otherwise Classified (PNOC) | NRP | See note** | Total dust 15 mg/m3 (o) or 50mppcf(o); Respirable fraction; 5 mg/m3 (o or 15mppcf(o); | **Caution is advised category includes many materials, R or P filter is suggested if oils are present | ||
Rhodium, Soluble Compounds (as Rh) | NRP100 | 2730N100 2360P100 7940/7990 8940/8990 | 0.001 mg/m3(o); 0.01 mg/m3 (t) | 2 mg/m3 (as Rh) | t-A4 | |
Silver, Soluble Compounds (as Ag) | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 0.01 mg/m3 (o)(t) {water based} | 10 mg/m3 (as Ag) |