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Description of ASTM-D4131 2019ASTM D4131-19Historical Standard: Standard Practice for Sampling Fish with RotenoneASTM D4131Scope 1.1 This practice covers determination of the quantitative and qualitative species composition of fish in a specified area. The successful use of this technique is dependent on: (1) preventing fish from escaping the sample area and (2) retrieving all affected fish, which may take up to three days. 1.2 Advantages: 1.2.1 Easily detoxified. 1.2.2 All native freshwater fish are susceptible, but it has low toxicity to mammals and birds. 1.2.3 At low concentrations fish toxicity depends on species, age, and size. 1.2.4 The suffocating action is reversible. 1.3 Limitations: 1.3.1 It is less effective in cold (below 20°C) and highly alkaline water. 1.3.2 Smaller fish and those without air bladders usually do not float. 1.3.3 Completely random selection of sample areas is not possible. 1.3.4 Overkill beyond sample area can sometimes occur. 1.3.5 Food web organisms may be eliminated. 1.4 Applications—This practice is useful in both short- and long-term studies for management and impact assessment purposes. It is adaptable to both lotic and lentic situations in littoral and limnetic areas. 1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazards, see Section 7. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. Keywords block-off nets; detoxify; dip nets; lentic; limnetic; littoral; lotic; rotenone; ICS Code ICS Number Code 67.120.30 (Fish and fishery products) DOI: 10.1520/D4131-19 The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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