Pollutech EnviroQuatics Limited

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Pollutech EnviroQuatics Limited has operated an aquatic toxicity testing research laboratory, in Sarnia and now in
Point Edward, Ontario, Canada, continuously since the early
1970's. This research laboratory has been performing routine compliance bioassays as well as developing new and innovative bioassay and biomonitoring techniques for over 30 years. This research expertise, together with other corporate capabilities provides a unique addition to any environmental project team.
For example, Pollutech'process engineering group routinely uses toxicity tests to determine the toxic component(s) of wastewater streams and to test methods for treatment of the component(s).

Legislative changes and a change in the attitude of the general public towards the environment has made aquatic biological testing of chemicals and effluent discharges a necessity for assessing potential aquatic impacts. Though the trend has historically been to conduct in depth chemical analysis to determine environmental conditions, biological testing has become an increasingly major component of environmental monitoring. While chemical analysis provides an indication of the contaminant levels, biological testing provides a measure of the potential effects these contaminants have on aquatic biota.

Typical toxicity testing species include a variety of freshwater pelagic(rainbow trout, Daphnia magna, Fathead
Minnow, Ceriodaphnia dubia, African Clawed Frog and the algal sepcies Selenastrum capricornutum)freshwater sediment (Hyalella azteca, Chironomus tentans, Chironomus riparius, Hexagenia limbata, Tubifex tubifex) and various marine (sea urchins, marine amphipods and fish - Silverside minnows) species.

As an aquatic toxicity testing laboratory Pollutech
EnviroQuatics Limited is accredited by Canadian Association of Enviornmental Analytical Laboratories (CAEAL) for specific toxicity tests. Toxicity tests for which Pollutech EnviroQuatics is accreditated can be found at the web address "www.scc.ca".

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