ASTM C1207 is the ASTM standard for the nondestructive assay of plutonium in scrap and waste by passive neutron coincidence counting. It describes a technical approach for measuring plutonium content without altering the material, which is important when dealing with irregular, sealed, or otherwise difficult-to-sample waste streams. This standard supports consistent evaluation, helping laboratories and facilities apply a recognized method for material accountability and measurement of plutonium-bearing scrap and waste.

Purpose of ASTM C1207

The purpose of ASTM C1207 is to provide a standardized test method for estimating plutonium in scrap and waste through passive neutron coincidence counting. By focusing on a nondestructive assay technique, the standard supports measurement where direct sampling or chemical analysis may not be practical. It helps establish a common technical basis for instrument use, data interpretation, and repeatable results, which is valuable when comparing measurements across facilities or testing programs.

Common use cases of ASTM C1207

This standard is commonly used in facilities that handle plutonium-bearing scrap and waste and need a recognized nondestructive measurement method. It is relevant for assay workflows involving passive neutron coincidence counting equipment and for situations where items must remain intact during evaluation. ASTM C1207 may also support inventory checks, waste characterization, and measurement programs that require a controlled approach to plutonium assessment without opening or physically changing the material.

Why ASTM C1207 matters

ASTM C1207 matters because it helps organizations apply a consistent method for measuring plutonium in scrap and waste, reducing uncertainty in technical decisions and reporting. A recognized standard can support compliance efforts, internal quality control, and procurement or review of assay services and equipment. For facilities managing nuclear materials, using an established ASTM standard may improve confidence in measurement results and help reduce risk in material control and waste handling.

• Passive neutron coincidence counting
• Nondestructive plutonium assay
• Scrap and waste measurement
• Material accountability support
• Consistent technical evaluation