LINEAR ALKYLBENZENE SULFONATE (LAS) - UNEP Chemicals

OECD SIDS LINEAR ALKYLBENZENE SULFONATE (LAS)
(4) Exposure Results
The following table shows the estimated exposure for the scenarios assessed, and the NOEC or NOAEL
values.
Exposure Scenario
Estimated Exposure
(µg/L) or (mg/kg/day)
NOEC (µg/L)* or
NOAEL
(mg/kg/day)**
Surface Water Monitoring
Mississippi River 2.21 270*
50 U.S. Rivers 43 to 46 270*
Manufacturing Effluent Modeling
Aquatic
Mean stream conc.
7Q10 Stream conc.
Drinking Water Consumption
50 th percentile facility
Fish Consumption
50 th percentile facility
Consumer Use Modeling
Aquatic
Median flow
7Q10 flow
50th percentile facility
4.8
13
9.3E-7
3.5E-5
9.9E-2
1.3
270*
270*
85**
85**
270*
270*
Drinking Water Consumption
7Q10 flow
Fish Consumption
1.9E-6
85**
7Q10 flow
Consumer Use – Dermal Modeling
7.2E-7
85**
Diluted and undiluted laundry and dishwashing products and hard surface cleaning products
Laundry pre-treatment (diluted) 3.0E-3 to 6.0E-3 85**
Neat Laundry pre-treatment (undiluted) 5.0E-3 to 1.0E-2 85**
Hand-wash of laundry (diluted) 4.7E-5 to 1.2E-3 85**
Hand-wash of dishes (diluted) 5.0E-4 to 2.3E-3 85**
Hand-wash (dishwashing liquids) of
hands (diluted)
1.0E-4 to 7.4E-4 85**
Hard surface cleaners (diluted) 1.0E-3 to 5.0E-4 85**
Hard surface cleaners (undiluted)
Laundry product residual on clothing
5.0E-3 to 1.0E-3 85**
Liquid detergents 2.0E-3 to 5.0E-2 85**
Dry detergents 1.0E-2 to 5.0E-2 85**
Tablet laundry detergent 1.1E-2 to 5.6E-2 85**
Fabric conditioning (dryer sheets) 5.0E-5 to 3.0E-4 85**
Face and Hand Soap product residual after washing
Bar soap - hand 3.6E-3 to 1.8E-2 85**
Bar soap - face 5.0E-4 to 2.3E-3 85**
UNEP PUBLICATIONS 70