ASTM D5495
Standard Practice for Sampling with a Composite Liquid Waste Sampler (COLIWASA)
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- Language: English
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About This Item
ASTM D5495 is a technical standard for sampling with a composite liquid waste sampler (COLIWASA), helping users collect representative liquid waste samples in a controlled and repeatable way. Based on the Standard Practice for Sampling with a Composite Liquid Waste Sampler (COLIWASA), it supports more consistent field and laboratory workflows where sample integrity matters. This standard is useful for organizations that need a clear sampling method for liquid waste handling, evaluation, and documentation.
Overview of ASTM D5495
The purpose of ASTM D5495 is to provide a recognized practice for using a composite liquid waste sampler when collecting liquid waste samples. The standard is centered on the sampling process itself, which makes it relevant to operations that require a practical and reproducible method for obtaining a composite sample from a liquid waste stream or container. By defining a common approach, it helps support more uniform sampling practices and better alignment across teams responsible for waste characterization, quality control, or technical review.
Common use cases of ASTM D5495
ASTM D5495 is commonly used in situations where liquid waste must be sampled using a COLIWASA device and a composite sample is preferred. It may be applied in field sampling, waste assessment, and laboratory support workflows that depend on collecting a single integrated sample from layered or otherwise nonuniform liquids. The standard is also relevant where documentation, consistency, and repeatable sampling technique are important for handling, testing, or compliance-related decisions.
Benefits of using ASTM D5495
Using ASTM D5495 can help improve sampling consistency and reduce uncertainty in liquid waste sample collection. A recognized practice supports better repeatability, which is valuable for comparing results over time or across locations. It may also help organizations strengthen quality control, support procurement and technical specifications, and reduce the risk of using inconsistent sampling methods. For teams responsible for waste evaluation, the standard provides a clearer basis for dependable sample collection.
- Composite sampling guidance for liquid waste
- COLIWASA-based sampling practice
- Supports repeatable field collection methods
- Useful for waste evaluation and documentation
- Helps promote consistent sampling technique
- Publication Date: 2021-05-06
- Publisher: ASTM
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