LCM Landing Craft, Mechanized. LCU Landing Craft, Utility. LLD Lower Limit of Detection. LLL Lawrence Livermore Laboratory, Livermore, CA (became LLNL in 1980). LLUNL Lawrence Livermore National Laboratory. LN Liquid Nitrogen. Meter. MAC Military Airlift Command. MARS Military Affiliate Radio System. mCi Millicurie. MDA Minimum Detectable Activity. MFR Memorandum For Record. ml Milliliter. MILCON Military Construction. MILVAN Military van. Military-owned container for transport of equipment and supplies. MLSC Micronesian Legal Services Corporation. mm Millimeter. MPC Maximum Permissible Concentration. MPRL Mid-Pacific Research Laboratory. mR milli Roentgen. mrad millirad. mrem millirem. MUX Multiplex. NBS National Bureau of Standards. ND Nuclear Data (Corporation). NIM Nuclear Instrument Module. NRC U.S. Nuclear Regulatory Commission. NTS Nevada Test Site (of the DOE). NV Nevada Operations Office of the DOE (also N VO). (Formerly the Mid-Pacifie Marine Laboratory, MPML.) Located at Enewetak, operated by the Univ. of Hawaii for the DOE. xX