LINEAR ALKYLBENZENE SULFONATE (LAS) - UNEP Chemicals

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OECD SIDS LINEAR ALKYLBENZENE SULFONATE (LAS) Reference: van de Plassche, E.J., de Bruijn, J.H.M., Stephenson, R.R., Marshall, S.J., Feijtel, T.C.J. and Belanger, S.E. 1999. Predicted no-effect concentrations and risk characterization of four surfactants: LAS, AE, AES, and soap, Environ. Toxicol. Chem. 18:2653-2663. Reliability: 4 This study was given a reliability score of 4 because the original reports reviewed by the authors were not directly reviewed in the compilation of this robust summary. (b) Species: Crustacean species Results: LC50 = 17.0 mg/L (14 records; SD = 0.68) Test Substance: LAS; all in the alkyl chain length C10-14 Remarks: LC50 is geometric mean of 14 records compiled from literature reviews. Geometric mean LC50 for all taxa (36 records) was 4.36 mg/L. Reference: Temara, A., Carr, G., Webb, S., Versteeg, D., and Feijtel, T.C.J. 2001. Marine risk assessment: Linear alkylbenzensulphonates (LAS) in the North Sea. Mar. Poll. Bulletin 42:635-642. Reliability: 4 This study was given a reliability score of 4 because the original reports reviewed by the authors were not directly reviewed in the compilation of this robust summary. (c) Type of test: static [X]; semi-static [ ]; flow-through [ ]; other [ ]; open-system [X]; closed-system [ ] Species: Chironomus riparius (chironomid) Exposure period: 96 hour Results: LC50 = 6.5 mg/L Analytical monitoring: Yes [ ] No [X] ? [ ] Method: EPA GLP: Yes [ ] No [ ] ? [X] Test substance: C10-13 LAS, average chain length 12.3 (CAS #68411-30-3) Remarks: Information as cited in IUCLID Data Sheet for CAS #68411-30-3. Huels AG judged study quality to be good. Nominal concentrations (expected deviation
OECD SIDS LINEAR ALKYLBENZENE SULFONATE (LAS) Reference: European Commission. 2000v. Benzenesulfonic acid, C10-13-alkyl derivs., sodium salts. Year 2000 CD-ROM edition, citing Procter & Gamble, 1991, 34845. Reliability: 4 Not assignable. The original study was not available for review. (e) Type of test: static [X]; semi-static [ ]; flow-through [ ]; other [ ]; open-system [ ]; closed-system [ ] Species: Planaria sp. (aquatic worm) Exposure period: 48 hour Results: LC50 = 1.8 mg/L Analytical monitoring: Yes [ ] No [X] ? [ ] Method: EPA 660/3-75-009 GLP: Yes [ ] No [ ] ? [ X] Test substance: C10-13 LAS, average chain length 12 (CAS #68411-30-3) Remarks: Information as cited in IUCLID Data Sheet for CAS #68411-30-3. Huels AG judged study quality to be good. Nominal concentrations (expected deviation
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LINEAR ALKYLBENZENE SULFONATE (LAS) - UNEP Chemicals

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