1. C.Moran Methods of effluent treatment and disposal employed by the textile finishing industry Unpublished survey for Textile Finishers Association and Bolton Institute(Apr 1995).
2. Environmental Protection Series (EPS) Biological test method: Acute lethality tests using Daphnia sp. Report EPS 1/RM/ll Environment Canada(1990)57.
3. OECD Guidelines 302B for the testing of chemicals from 15. 5. 81 Modified Zahn‐Wellens test.