ASTM E1563 - 98(2012)

    Standard Guide for Conducting Static Acute Toxicity Tests with Echinoid Embryos

    Active Standard ASTM E1563 | Developed by Subcommittee: E50.47

    Book of Standards Volume: 11.06


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    Significance and Use

    5.1 An acute toxicity test is conducted to obtain information concerning the acute effects of a short-term exposure of organisms to a test material under specific experimental conditions. An acute toxicity test does not provide information concerning whether delayed effects will occur.

    5.2 Because embryos and larvae are usually assumed to be the most sensitive life stages of these echinoid species, and because some of these species are commercially and recreationally important, the results of these acute tests are often considered to be a good indication of the acceptability of pollutant concentrations to saltwater species in general. The results of these acute toxicity tests are often assumed to be an important consideration when assessing the hazard of materials to other saltwater organisms (see Guides E724 and E1023) or when deriving water quality criteria for saltwater organisms (6).

    5.3 The results of acute toxicity tests might be used to predict acute effects likely to occur to aquatic organisms in field situations as a result of exposure under comparable conditions, except that toxicity to benthic species might depend on sorption or settling of the test material onto the substrate.

    5.4 The results of acute tests might be used to compare the acute sensitivities of different species and the acute toxicities of different test materials, and to determine the effects of various environmental factors on the results of such tests.

    5.5 The results of acute toxicity tests might be useful for studying the biological availability of, and structure-activity relationships between, test materials.

    5.6 The results of acute toxicity tests will depend on temperature, composition of the dilution water, condition of the test organisms, and other factors.

    1. Scope

    1.1 This guide covers procedures for obtaining laboratory data concerning the acute effects of a test material on embryos and the resulting larvae of echinoid embryos (sea urchins and sand dollars) during static 48- to 96-h exposures. These procedures have generally been used with U.S. East Coast (Arbacia punctulata and Strongylocentrotus droebachiensis ) (1)3 and West Coast species (Strongylocentrotus purpuratus, S. droebachiensis, and Dendraster excentricus) (2). The basic procedures described in this guide first originated in Japan and Scandanavia (3), and parallel procedures have been used with foreign species, especially in Japan and the Mediterranean (4). These procedures will probably be useful for conducting static acute toxicity tests with embryos of other echinoid species, although modifications might be necessary.

    1.2 Other modifications of these procedures might be justified by special needs or circumstances. Although using procedures appropriate to a particular species or special needs and circumstances is more important than following prescribed procedures, the results of tests conducted by using unusual procedures are not likely to be comparable with those of many other tests. The comparison of results obtained by using modified and unmodified versions of these procedures might provide useful information concerning new concepts and procedures for conducting acute tests starting with embryos of echinoids.

    1.3 These procedures are applicable to most chemicals, either individually or in formulations, commercial products, or known mixtures. With appropriate modifications, these procedures can be used to conduct acute tests on temperature, dissolved oxygen, and pH and on such materials as aqueous effluents (see also Guide E1192), leachates, oils, particulate matter, surface waters and sediments (Annex A1). Renewal tests might be preferable to static tests for materials that have a high oxygen demand, are highly volatile, are rapidly transformed biologically or chemically in aqueous solution, or are removed from test solutions in substantial quantities by the test chambers or organisms during the test.

    1.4 Results of acute toxicity tests with echinoid embryos should usually be reported as the 50 % effect concentration (EC50) based on the total abnormally developed embryos and larvae. In some situations, it might only be necessary to determine whether a specific concentration is acutely toxic to embryos or whether the EC50 is above or below a specific concentration.

    1.5 This guide is arranged as follows:


     

    Section

    Scope

    1 

    Referenced Documents

    2 

    Terminology

    3 

    Summary of Guide

    4 

    Significance and Use

    5 

    Apparatus

    6 

     Facilities

    6.1 

     Construction Materials

    6.2 

     Test Chambers

    6.3 

     Cleaning

    6.4 

     Acceptability

    6.5 

    Safety Precautions

    7 

    Dilution Water

    8 

     Requirements

    8.1 

     Source

    8.2 

     Treatment

    8.3 

     Characterization

    8.4 

    Test Material

    9 

     General

    9.1 

     Stock Solution

    9.2 

     Test Concentration(s)

    9.3 

    Test Organisms

    10 

     Species

    10.1 

     Age

    10.2 

     Source of Embryos

    10.3 

     Handling

    10.4 

     Test Animal Source and Condition

    10.5 

     Spawning and Fertilization

    10.6 

     Quality

    10.7 

    Procedure

    11 

     Experimental Design

    11.1 

     Dissolved Oxygen

    11.2 

     Temperature

    11.3 

     Beginning the Test

    11.4 

     Feeding

    11.5 

     Duration of Test

    11.6 

     Biological Data

    11.7 

     Control Performance

    11.8 

     Other Measurements

    11.9 

    Analytical Methods

    12 

    Acceptability of Test

    13 

    Calculation of Results

    14 

    Report

    15 

    Keywords

    16 

    Annex

     

     Sediment Tests

    Annex A1




    1.6 The values stated in SI units are to be regarded as the standard.

    1.7  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. Specific precautionary statements are given in Section 7.


    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

    E724 Guide for Conducting Static Acute Toxicity Tests Starting with Embryos of Four Species of Saltwater Bivalve Molluscs

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

    E943 Terminology Relating to Biological Effects and Environmental Fate

    E1023 Guide for Assessing the Hazard of a Material to Aquatic Organisms and Their Uses

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

    E1367 Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Estuarine and Marine Invertebrates

    E1391 Guide for Collection, Storage, Characterization, and Manipulation of Sediments for Toxicological Testing and for Selection of Samplers Used to Collect Benthic Invertebrates

    E1525 Guide for Designing Biological Tests with Sediments

    E1706 Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Freshwater Invertebrates


    ICS Code

    ICS Number Code 07.080 (Biology. Botany. Zoology); 07.100.20 (Microbiology of water); 13.020.40 (Pollution, pollution control and conservation)

    UNSPSC Code

    UNSPSC Code 77101501(Risk or hazard assessment)


    DOI: 10.1520/E1563-98R12

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