Specification

Section 8 - Exposure Controls/Personal Protection
US. OSHA Table Z-1 Limits for Air Contaminants (29 CFR 1910.1000)
Components
Type
Value
Form
ETHYLBENZENE (CAS 100-41-4)
PEL
435 mg/m3
100 ppm
METHYL ETHYL KETONE (CAS 78-93-3)
PEL
590 mg/m3
200 ppm
CARBON BLACK (CAS 1333-86-4)
PEL
3.5 mg/m3
XYLENE (CAS 1330-20-7)
PEL
435 mg/m3
100 ppm
US. ACGIH Threshold Limit Values
Components
Type
Value
ETHYLBENZENE (CAS 100-41-4)
TWAs
20 ppm
METHYL ETHYL KETONE (CAS 78-93-3)
STELs
300 ppm
TWAs
200 ppm
CARBON BLACK (CAS 1333-86-4)
TWAs
3 mg/m3 (Inhalable fraction)
XYLENE (CAS 1330-20-7)
STELs
150 ppm
TWAs
100 ppm
US. NIOSH: Pocket Guide to Chemical Hazards
Components
Type
Value
CARBON BLACK (CAS 1333-86-4)
TWAs
0.1 mg/m3
ETHYLBENZENE (CAS 100-41-4)
STELs
545 mg/m3
125 ppm
TWAs
435 mg/m3
100 ppm
METHYL ETHYL KETONE (CAS 78-93-3)
STELs
885 mg/m3
300 ppm
TWAs
590 mg/m3
200 ppm
ACGIH Biological Exposure Indices
Components
Value
Determinant
Specimen
ETHYLBENZENE (CAS 100-41-4)
0.15 g/g
Sum of mandelic acid and
phenylglyoxylic acid
Creatinine in urine
METHYL ETHYL KETONE (CAS 78-93-3)
2 mg/l
MEK
Urine
XYLENE (CAS 1330-20-7)
1.5 g/g
Methylhippuric acids
Creatinine in urine
* For sampling details please see the source document
Exposure controls
Appropriate engineering
controls
Explosion-proof general and local exhaust ventilation. Good
general ventilation (typically 10 air changes per hour) should be
used. Ventilation rates should be matched to conditions. If
applicable, use process enclosures, local exhaust ventilation, or