is an environmental laboratory and consulting firm in Winnipeg, Manitoba, Canada. Robert Flett (Ph D), the company specializes in the analysis of mercury and environmental radioisotopes.We have supplied services to clients from North and South America, Europe and Asia.
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The age of sediments at different depths can be used to document historical contamination.
Flett Research is accredited by the Canadian Association for Laboratory Accreditation (CALA).
Accreditation recognizes technical competence for a defined scope, operation of a laboratory quality management system and compliance with International Standard ISO 17205.
To see our scope of accredited tests follow this link to the CALA website.
The method is suitable for dating approximately 100 years back.
Service DHI offers dating of sediment cores by means of the 210Pb method and may assist with sampling in both marine and freshwater systems.
The sediment samples must remain totally undisturbed during sampling to obtain the best possible dating.
Subsequently, they are cut into slices of approximately 1 cm and dried, whereupon the content of dry matter and possibly the loss on ignition are determined.
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