本试验方法包括使用X射线荧光（XRF）测定玻璃珠中的总重金属含量。重金属包括但不限于铅、锑和砷。本试验方法旨在作为机构的质量保证工具，以验证制造商根据环保局试验方法3052、6010B和6010C提供的重金属认证试验结果，因为它们与MAP-21第1504节的合规性有关。

This test method covers the determination of the total heavy metal content of glass beads using X-ray fluorescence (XRF). Heavy metals include but are not limited to lead, antimony, and arsenic. This test method is intended as a quality assurance tool for agencies to verify the manufacturer's certified test results for heavy metals provided in accordance with Environmental Protection Agency testing methods 3052, 6010B, and 6010C as they relate to compliance with Section 1504 of MAP-21.