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 |
|---|---|---|---|---|---|---|
| Coke Oven Emissions | RP | 2740R95/8970 7940/7990 8940/8990 | 0.15 mg/m3 (o) (Benzene soluble fraction) | See 29CFR1910.1029; O-Ca | ||
| Vegetable Oil, Mists (Except Caster, Cashew Nut or Similar Irritant Oils) | RP | 2740R95/8970 7940/7990 8940/8990 | Total particulates 15 mg/m3 (o); Respirable fraction 5 mg/m3 (o) | |||
| Diethyl Phthalate | 84-66-2 | RP | 2740R95/8970 7940/7990 8940/8990 | 5 mg/m3 (t) | t-A4 | |
| 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 | |
| Formaldehyde | 50-00-0 | FORM | 7500/7600 8500/8600 | 0.75 ppm (o); 0.3 ppm (c)-(t); 2 ppm (s)-(o) | 20 ppm | See 29CFR1910.1048; O-Ca; t-A2; Dispose of cartridges at the end of each work shift; wear gas-proof goggles with half-mask. Do not use same cartridge for any other gases or vapors; SEN |
| Benzene | 71-43-2 | OV | 8100 7100 | 1 ppm (o); 5 ppm (s)-(o); 0.5 ppm (t); 2.5 (s)-(t) -skin- | 500 ppm | t-A1. Change cartridge every shift. See table Z-2 and 29CFR1910.1028; O-Ca; 1/2 mask allowed with constant monitoring. Substance for which an ACGIH BEI exists. |
| Benzoyl Peroxide | 94-36-0 | OV/N | 8100+8910 7100+8910 | 5mg/m3 (o)(t) | 1,500mg/m3 | t-A4 |
| Biphenyl | 92-52-4 | OV/N | 8100+8910 7100+8910 | 0.2 ppm (o)(t) | 100mg/m3 | |
| Asphalt (petroleum; Bitumen) Fume | 8052-42-4 | OVRP | 8100+8970/8940 7100+8970/7940 | 0.5mg/m3 (t)* Soluble aerosol as benzene (or equivalent method) inhalable particulate | 2740R95/2840R95 may be suitable for some app’s. t-A4 | |
| Azinphos-methyl | 86-50-0 | OVRP | 8100+8970/8940 7100+8970/7940 | 0.2mg/m3 (o)(t); -*skin- -SEN- | 10mg/m3 | Substance for which an ACGIH BEI exists, t-A4; *measured as inhalable fraction and vapor |
