Hydrazine

None

TLV—0.1 ppm

A2

0.04 mg/m³—120-min ceil.

1 ppm

—

Ammonia

None

TLV—25 ppm

STEL—35 ppm

50 ppm—5-min ceil.

50 ppm

West Germany—50 ppm

Sweden—25 ppm

Methylamine

None

TLV—10 ppm

None

10 ppm

—

Dimethylamine

None

TLV—10 ppm

None

10 ppm

—

Nitrogen oxide

None

TLV—25 ppm

25 ppm

25 ppm—10-h TWA

—

Nitrogen dioxide

0.053 ppm—annual arithmetic mean

TLV—3 ppm

STEL—5 ppm

1 ppm—15 min ceil.

5 ppm ceil.

West Germany—5 ppm

Sweden—2 ppm

N-Nitrosodimethylamine

None

A2

None

Listed as a cancer-suspect agent

—

Formic acid

None

TLV—5 ppm

None

5 ppm

—

Acetic acid

None

TLV—10 ppm

STEL—15 ppm

None

10 ppm

—

Participate matter

75 µg/m³—annual geometric mean

260 µg/m³/24-h max

Not to be exceeded more than once per year

TLV—10 mg/m³

None

15 mg/m³

—

Nicotine

None

TLV—0.5 mg/m³

None

0.5 mg/m³

—

Phenol

None

TLV—19 mg/m³

20 mg/m³—10-h TWA

60 mg/m³—15-min ceil.

19 mg/m³

West Germany—19 mg/m³

Catechol

None

TLV—5 ppm

None

None

—

Hydroquinone

None

TLV—2 mg/m³

2 mg/m³—15-min ceil.

2 mg/m³

—

Aniline

None

TLV—2 ppm

None

5 ppm

—

2-Toluidine

None

TLV—2 ppm

A2

None

5 ppm

West Germany—5 ppm