ASTM E2172

ASTM E2172 is the ASTM standard guide for conducting laboratory soil toxicity tests with the nematode Caenorhabditis elegans. It provides a technical framework for evaluating how soil samples may affect this test organism under controlled laboratory conditions. For organizations comparing soil quality, supporting environmental assessments, or building consistent test procedures, the standard helps create a clearer and more repeatable basis for toxicity testing and reporting.

What is ASTM E2172?

ASTM E2172 is a laboratory testing guide focused on soil toxicity evaluation using the nematode Caenorhabditis elegans. As a guide, it is intended to support a structured approach to test planning, execution, and interpretation rather than define a single fixed test outcome. The standard is relevant to labs that need a consistent method for assessing whether a soil sample may have adverse effects on a biological test organism, with attention to repeatability and technical comparability.

Where is ASTM E2172 used?

This standard is commonly used in laboratory settings involved in soil evaluation, environmental testing, and research workflows that examine biological responses to soil samples. It may support work tied to contaminated site assessment, comparative soil studies, or method-based toxicity screening where a small nematode model is appropriate. ASTM E2172 is especially useful when the goal is to apply a controlled, documented guide for laboratory testing rather than an informal or ad hoc procedure.

Why is ASTM E2172 important?

ASTM E2172 helps improve consistency in laboratory soil toxicity testing by giving users a recognized guide to follow. That matters for compliance-oriented work, procurement decisions, and quality control because results are easier to compare when the same general framework is used. It also supports more reliable interpretation of soil test data, which can reduce uncertainty in environmental evaluation and help organizations document their testing approach more clearly.

• Laboratory soil toxicity testing guide
• Uses Caenorhabditis elegans as the test organism
• Supports controlled, repeatable evaluation
• Useful for soil quality and environmental assessment
• Helps standardize testing and reporting