Which standard pertains to the evaluation of copper flux in regards to lead, cadmium, and copper reduction?

The standard that specifically pertains to the evaluation of copper flux related to lead, cadmium, and copper reduction is ASTM B813. This standard outlines the requirements and testing methods to measure the leachability of metals from construction materials, assessing how they may impact water quality when in contact with drinking water systems.

This focus on leachability is crucial for understanding potential environmental and health risks associated with metal components in products. It provides a framework for ensuring that the materials contribute to compliance with regulatory and sustainability objectives, particularly in terms of minimizing harmful heavy metals that can leach into drinking water sources.

The other options relate to different areas. ASTM B828 generally deals with the requirements for copper tube and fittings, which is not directly related to leaching analysis. The National Electric Code provides guidelines for electrical installations without a focus on material leachability. GreenSeal Certification is a sustainability certification for products but does not specifically address copper flux in the context of metal reduction.