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Polidoro BA, Morra MJ, Ruepert C, Castillo LE: Pesticide sequestration in passive samplers (SPMDs): considerations for deployment time, biofouling, and stream flow in a tropical watershed. J Environ Monit. 2009 Oct;11(10):1866-74. Epub 2009 Jul 21.
Differences in SPMD chlorpyrifos sequestration among sites are likely due to differences in stream chlorpyrifos concentration rather than differences in SPMD sampling rates.
The longer exposure period of SPMDs allowed for the detection of lower concentrations of chlorpyrifos, terbufos, and difenoconazole compared to water grab samples. |
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