This Notice identifies biomonitoring as one of the activities under “Factors to Consider” that specific textile facilities undertake to see if the P2 and other steps they are taking reduce the toxicity of the wastewater to achieve their objective. These textile mill effluent (TME) wastes include wastes such as the endocrine disrupters NPE. Below is an excerpt from this Notice:
4. Factors to consider in preparing the plan
The Minister requires all persons identified in section 2 to consider the following factors when preparing their pollution prevention plan:
(1) The risk management objectives outlined below:
(a) For NP and NPEs used in textile wet processing:
Reduce the annual use of NP and NPEs by at least 97 percent on a mass basis relative to the annual use for the 1998 base year. Should there be no NP or NPEs use data for the 1998 calendar year, the first year after 1998, but no later than 2005, for which there is data should be considered as the base year. The target year for achieving the reduction objective, based on annual use, is the 2009 calendar year or sooner.
(b) For TMEs:
Achieve and maintain through means other than dilution, a maximum acute toxicity of 13 percent IC50 (50 percent inhibiting concentration), measured according to the method description provided in the document Biological Test Method: Toxicity Test Using Luminescent Bacteria (EPS 1/RM/24, November 1992) for a test duration of 15 minutes for the effluent discharged to an off-site wastewater treatment facility. The target year for achieving the toxicity objective is the 2009 calendar year or sooner.
Hope this helps!
Linda Varangu, M.Eng.
Canadian Centre for Pollution Prevention
519 623 8037
Hi folks. Does anybody know about programs that are tying biomonitoring
data to prevention efforts? In particular, I'm interested in endocrine
disrupters, neurodevelopmental toxins and PBTs.
Thanks for any leads.
Dept. of Toxic Substances Control
fax (916) 255-3595
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