This Test Guideline describes a method which is an adaptation of the Soap and Detergent Association semi-continuous activated sludge (SCAS) procedure for assessing the primary biodegradation of alkyl benzene sulphonate. The test does not simulate those conditions experienced in a sewage...

In many countries a new concept is emerging as an alternative to command-and-control regulation: the concept of shared responsibility between governments and businesses. Governments and businesses are seeing a need for co-operation and partnership, rather than confrontation and adversarial...