Metallurgical assay and the U.S. Mint continue to produce precious metal bullion coins for collectors and investors. The precious metal purity and content of these coins is guaranteed by the respective mint or government, and, therefore, the assay of the raw materials and finished coins is an important quality control. In the UK, the Trial of the Pyx is a ceremonial procedure for ensuring that newly minted coins conform to required standards. Metallurgical assay A metallurgical assay is a compositional analysis of an ore, metal, or alloy. Some assay methods are suitable for raw materials; others are more appropriate for finished goods.
Ensuring Public Involvement in the Creation of National Monuments Act Ensuring Public Involvement in the Creation of National Monuments Act The Ensuring Public Involvement in the Creation of National Monuments Act () would amend the Antiquities Act of 1906 to subject national monument declarations by the President to the National Environmental Policy Act of 1969 (NEPA). At present, the President of the United States can unilaterally declare something a national monument, whereas the United States Congress is required to follow a more rigorous series of procedures to gather input from the public. When something is called a "National Monument," that means no action from Congress was required, while something designated