STANDARD REFERENCE MATERIAL

measurement devices; namely, certified samples of materials, to be used in the calibration of measuring instruments; namely, metals, alloys, chemicals, minerals, fertilizers, botanicals, gases, biologicals, carbides, glasses, cements, trace elements, radioactive materials; namely, [ plutonium, uranium, thorium, cesium, americium, radium, europium and molybdenum, ] isotopics, reference fuels, rubber materials, [ computer tapes ] used for measurement, calibration and specific determination of the composition of said materials

publications, comprising pamphlets, brochures, magazines, journals and booklets pertaining to certified samples of materials used in the calibration of measuring instruments