EPA-OW: NRSA Microcystins 2013 (Boat): Microcystin (alga toxin) sample collection in large non-wadeable rivers
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Official Method Name
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Section 9: Non-Wadeable Rivers-Microcystins (of National Rivers and Streams Assessment: Field Operations Manual (2013)) |
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Current Revision
| 2013 |
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Media
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WATER (Waterbody type - Non-wadeable stream) |
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Instrumentation
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Field Equipment |
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Method Subcategory
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Microbiological |
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Method Source
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Citation
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Protocol
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EPA-841-B-12-009 - National Rivers and Streams Assessment: Field Operations Manual (2013) |
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Brief Method Summary
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The microcystin (algal toxin) sample is a grab sample taken from the index site. All field crews must collect a grab sample using the 3 L beaker to fill a 500ml bottle. Collect this sample after the in situ measurements and water chemistry samples are collected. Store all samples on ice in a closed cooler. |
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Scope and Application
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Methods described in this document are to be used specifically in work relating to the National Rivers and Streams Assessment. This document contains proceedures for how to collect a microcystin sample. |
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Applicable Concentration Range
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Interferences
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Quality Control Requirements
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Follow outlined rinse proceedures. |
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Sample Handling
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Samples must be kept cool and dark. |
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Maximum Holding Time
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Relative Cost
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Unknown |
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Sample Preparation Methods
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Freeze the entire sample and keep frozen until shipping. |
