Routine water sampling under the Canada-B.C. Water Quality Monitoring Agreement includes the requirement for field filtration for trace metals and low-level dissolved ortho-phosphorus at a number of jointly operated B.C. sites. Field filtration has the potential for introducing data errors due to contamination introduced by the filtration unit and/or during the field filtering process. The Resource Quality Section of the Water Management Branch in Victoria initiated a series of laboratory experiments to examine and catalogue the potential for total dissolved phosphorus and low-level dissolved ortho-phosphorus contamination from a number of filtration units and their component parts.
Webber, T.N., Pommen, L.W.. 1989. Field Filtration Testing for Phosphorus. BC Ministry of Environment
Keywords: field, filtration, testing, phosphorus, water quality monitoring
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