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 t...
Registered · December 26, 1991 · 74287627 ·