ASTM E1924-97(2012)

    Withdrawn Standard: ASTM E1924-97(2012) Standard Guide for Conducting Toxicity Tests with Bioluminescent Dinoflagellates (Withdrawn 2013)

    Developed by Subcommittee: E47.01

    WITHDRAWN, NO REPLACEMENT

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    Withdrawn Rationale:

    This guide covers two distinct procedures, based on similar principles, for obtaining data concerning the adverse effects of a test material (added to dilution water) on oceanic bioluminescent dinoflagellates.

    Formerly under the jurisdiction of Committee E47 on Biological Effects and Environmental Fate, this guide was withdrawn in March 2013. This standard is being withdrawn without replacement due to its limited use by industry.

    1. Scope

    1.1 This guide covers two distinct procedures, based on similar principles, for obtaining data concerning the adverse effects of a test material (added to dilution water) on oceanic bioluminescent dinoflagellates.

    1.1.1 The endpoint for both procedures is based on a measurable reduction or inhibition in light output from the dinoflagellates. Both procedures are similar in that when bioluminescent dinoflagellates are exposed to toxicants, a measurable reduction in bioluminescence is observed from their cells following mechanical stimulation when compared to control cells. In the first procedure, cells of the bioluminescent dinoflagellate Gonyaulax polyedra can be tested over a range of up to seven days of exposure (or longer) to a toxicant. The second procedure uses another species, Pyrocystis lunula, for a 4 h test.

    1.2 Both procedures can measure the toxic effects of many chemicals, various marine and freshwater effluents, antifouling coatings, leachates, and sediments to bioluminescent dinoflagellates (1-5).3 Compounds with low water solubility such as large organic molecules may be solubilized with methanol, ethanol, and acetone solvents for testing (4) (see Guide E729).

    1.3 An IC50 in light output (bioluminescence) is the recommended endpoint (1). However, percent inhibition of bioluminescence is an appropriate endpoint in some cases (5).

    1.4 Other modifications of these procedures might be justified by special needs or circumstances. Although using appropriate procedures is more important than following prescribed procedures, results of tests conducted using unusual procedures are not likely to be comparable to results of other tests. Comparison of results obtained using modified and unmodified versions of these procedures might provide useful information concerning new concepts and procedures for conducting acute and chronic tests.

    1.5 The values stated in SI units are to be regarded as the 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 and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1141 Practice for the Preparation of Substitute Ocean Water

    D5196 Guide for Bio-Applications Grade Water

    E178 Practice for Dealing With Outlying Observations

    E729 Guide for Conducting Acute Toxicity Tests on Test Materials with Fishes, Macroinvertebrates, and Amphibians

    E1192 Guide for Conducting Acute Toxicity Tests on Aqueous Ambient Samples and Effluents with Fishes, Macroinvertebrates, and Amphibians

    E1218 Guide for Conducting Static Toxicity Tests with Microalgae

    E1241 Guide for Conducting Early Life-Stage Toxicity Tests with Fishes

    E1733 Guide for Use of Lighting in Laboratory Testing


    DOI: 10.1520/E1924-97R12

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