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 |
---|---|---|---|---|---|---|
Asbestos, all forms | 1332-21-4, 12172-73-5, 12001-2 | NRP100 | 8940/8990 7940/7990 | 0.1 f/cc (o) (t)*; 1.0 f/cc (s)-(o) 30 minutes | *Fiber longer than 5 um; aspect ratio > 3:1 set by 400-450 X mag. (4 mm objective) pcm. See 29CFR1910.1001 & 1926.58; A-1; O-Ca | |
Borates, compounds, Inorganic | 12179-04-3, 1303-96-4, 1330-43 | N | EZ22/EZ22N95 2200/2300N95 2600/2700N95 | 2.0mg/m3 (t) inhalable 6.0mg/m3 (s)-(t) inhalable | ||
Boron Oxide | 1303-86-2 | N | EZ22/EZ22N95 2200/2300N95 2600/2700N95 | Total Dust 10mg/m3 (t),15mg/m3 (o) | 2,000mg/m3 | |
Iron Salts, Soluble (as Fe) | N | EZ22/EZ23N95 2200/2300N95 2400/2800N95 | 1 mg/m3 (t) | |||
4, 41-Thiobis (6 Tert-Butyl-m-Cresol) | 96-69-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 10 mg/m3 (t), 15 mg/m3 (o); Respirable fraction 5mg/m3 | t-A4 | |
Pentaerythritol | 115-77-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 10 mg/m3 (t), 15mg/m3 (o); Respirable fraction 5 mg/m3 (o) | ||
Perlite | 93763-70-3 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total Dust 15 mg/m3 (o); Respirable fraction 5 mg/m3 (o) | t-A4 | |
Acetylsalicylic Acid | 50-78-2 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5mg/m3 (t) | ||
a-Alumina | 1344-28-1 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 10mg/m3 (t), 15 mg/m3 (o); Respirable fraction 5mg/m3 (o) | Dust containing no asbestos and <1% Crystalline Silica t-A4 | |
Aluminum, Metal Dust | 7429-90-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dusts 15mg/m3 (o); Respirable dusts 5mg/m3 (o) 1mg/m3 (t) respirable fraction | T-A4 |