Regulatory Reference Table

Chemicals OSHA NIOSH ACGIH
Acetic Acid 10 ppm – TWA
— 		10 ppm – TWA
15 ppm – STEL 		10 ppm – TWA
15 ppm – STEL
Acetone 1000 ppm – TWA
—		 250 ppm – TWA
—		 500 ppm – TWA
750 ppm – STEL
Benzene 1.0 ppm – TWA
5.0 ppm – ceiling		 1.0 ppm – TWA
1.0 – STEL		 0.5 ppm – TWA
2.5 ppm – STEL
Ethyl Alcohol 1000 ppm – TWA 1000 ppm – TWA 1000 ppm – TWA
Ethylene Oxide 0.5 ppm – Action Level 1.0 ppm – TWA
5.0 ppm – Excursion (15 min.) 		1.0 ppm – TWA 5.0 ppm – Ceiling
—		 1.0 ppm – TWA
—
Formaldehyde 0.5 ppm – Action Level
0.75 ppm – TWA
2.0 ppm – STEL 		0.016 ppm – TWA
1.0 ppm – Ceiling
—		 0.3 ppm – Ceiling
—
—
Glutaraldehyde Consult State OSHA 0.2 ppm – Ceiling 0.05 ppm – Ceiling
Halogenated Agents Consult State OSHA
— 		0.5 ppm – w/ N2O
2.0 ppm – w/o N2O 		Refer to chemical data sheet
Hydrogen Peroxide 1.0 ppm – TWA 1.0 ppm – TWA 1.0 ppm – TWA
Isopropyl Alcohol 400 ppm – TWA
—		 400 ppm – TWA
500 ppm – STEL 		400 ppm – TWA
500 ppm – STEL
Methyl Alcohol 200 ppm – TWA
— 		200 ppm – TWA
250 ppm – STEL		 200 ppm – TWA
250 ppm – STEL
Methyl Ethyl Ketone 200 ppm – TWA
— 		200 ppm – TWA
300 ppm – STEL		 200 ppm – TWA
300 ppm – STEL
Methyl Methacrylate 100 ppm – TWA 100 ppm – TWA 100 ppm – TWA
Methylene Chloride 25 ppm – TWA
125 ppm – STEL 		Refer to chemical data sheet 50 ppm – TWA
—
Nitrous Oxide Consult State OSHA 25 ppm – TWA 50 ppm – TWA
Perchloroethylene 100 ppm – TWA
200 ppm – Ceiling		 Refer to chemical data sheet 25 ppm – TWA
100 ppm – STEL
Styrene 100 ppm – TWA
200 ppm – Ceiling 		50 ppm – TWA
100 ppm – STEL		 20 ppm – TWA
40 ppm – STEL
Toluene 200 ppm – TWA
300 ppm – Ceiling		 100 ppm – TWA
150 ppm – STEL		 50 ppm – TWA
—
Trichloroethylene 100 ppm – TWA
200 ppm – Ceiling 		25 ppm – TWA
— 		50 ppm – TWA
100 ppm – STEL
Xylene 100 ppm – TWA
— 		100 ppm – TWA
150 ppm – STEL		 100 ppm – TWA
150 ppmSTEL

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