ASTM C50/C50M is the standard practice for sampling, sample preparation, packaging, and marking of lime and limestone products. It provides a practical framework for handling these materials in a consistent way so that samples are representative and clearly identified. For organizations involved in procurement, testing, or quality control, this ASTM standard helps support reliable results and better communication across the supply chain.

What is ASTM C50/C50M?

This standard practice focuses on the basic steps needed to obtain, prepare, package, and mark samples of lime and limestone products. ASTM C50/C50M is intended to help users manage sample integrity from collection through identification, which is important when the material will be evaluated or compared later. As an ASTM standard, it serves as a technical reference for consistent handling rather than a product specification, making it useful in routine quality assurance and lab-related workflows.

Where is ASTM C50/C50M used?

ASTM C50/C50M is commonly used wherever lime and limestone products are sampled for evaluation, acceptance, or verification. It may be applied in production settings, receiving inspections, laboratory workflows, and other material-control processes where representative samples matter. The standard is especially relevant when samples must be prepared and marked in a way that preserves identity and supports traceability through testing, shipping, or storage.

Why is ASTM C50/C50M important?

This standard is important because sampling and sample handling can strongly affect test outcomes and product decisions. By following ASTM C50/C50M, organizations can improve consistency, reduce the chance of mix-ups, and support more dependable quality control. It also helps create a clearer basis for compliance checks, product evaluation, and procurement decisions when lime and limestone materials need to be assessed against technical requirements.

• Sampling of lime and limestone products
• Sample preparation and handling
• Packaging for retained or transported samples
• Marking for identification and traceability