TY - GEN AU - Horlick, Jeffrey AU - Richmond, Hazel M C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1990-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.4493 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1990 TI - NVLAP procedures::U.S. code of Federal regulations ER -