ASTM E1768 - 95(2013) - Standard Guide for Ventilatory Behavioral Toxicology Testing of Freshwater Fish

ASTM E1768 - 95(2013)

Standard Guide for Ventilatory Behavioral Toxicology Testing of Freshwater Fish

Status : Current   Published : January 2013



1.1 This guide covers information on methods to measure and interpret ventilatory behavioral responses of freshwater fish to contaminants.

1.2 Ventilatory responses are often some of the first prelethal symptoms exhibited by animals to environmental stressors (1, 2, 3, 4, 5, 6, 7, 8, 9, 10).2 Continued, abnormal ventilatory behavior (that is, rapid or shallow breathing, erratic breathing) can indicate physiological damage that may be irreversible. Such damage could eventually result in decreased survival, growth, or reproduction of the organism, or all of these.

1.3 Ventilatory responses of some fish species can be measured relatively easily and quickly, providing a useful tool for biomonitoring studies of wastewaters, pure chemicals, surface water, and ground water.

1.4 Appropriate studies of ventilatory responses can yield definitive endpoints such as no observable effect concentration (NOEC) or an EC50, often more rapidly than standard toxicity test methods (11, 12).

1.5 The mode of action of test substances and the type of chemical toxicant can be determined by examining ventilatory behavioral responses in conjunction with other physiological responses (8, 9, 10, 11, 12).

1.6 Fish ventilatory behavior can be assessed in real-time using appropriate computer hardware and software (12, 13, 14, 15, 16, 17, 18, 19) . Such systems have proved useful for long-term, on-line monitoring of wastewater effluents, pure chemicals, and surface waters (12, 15, 20, 21, 22, 23, 24, 25) . These systems are usually technically complex and will not be discussed in this guide.

1.7 Given the technological constraints of electrical components, it is currently not feasible to monitor bioelectric signals, such as those elicited in ventilatory behavior, in saline (>2 ppt) or high conductivity (>3000 μmhos/cm) water using the procedures discussed in this guide. Therefore, this guide is restricted to the testing of freshwater matrices.

1.8 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. For specific safety precautions, see Section 6.

1.9 This guide is arranged as follows:

[This table has been removed.]

Standard NumberASTM E1768 - 95(2013)
TitleStandard Guide for Ventilatory Behavioral Toxicology Testing of Freshwater Fish
Publication Date03 January 2013
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Aquatic Organisms, Ec50, Effective Concentration, Environmental Toxicology, Fishes, Fresh Water, Toxicity Test
File Size0 KB

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