APPENDIX A

                    Abbreviations and Units of Measure



  1 carat (metric) (diamond)       = 200 milligrams
  1 flask (fl)                     = 76 pounds, avoirdupois
  1 karat (gold)                   = one twenty-fourth part
  1 kilogram (kg)                  = 2.2046 pounds, avoirdupois
  1 long ton (lt)                  = 2,240 pounds, avoirdupois
  1 long ton unit (ltu)            = 1% of 1 long ton or 22.4
                                     pounds avoirdupois
    long calcined ton (lct)        = excludes water of hydration
    long dry ton (ldt)             = excludes excess free
                                     moisture
  Mcf                              = 1,000 cubic feet
  1 metric ton (mt)                = 2,204.6 pounds, avoirdupois
                                     or 1,000 kilograms
  1 metric ton (mt)                = 1.1023 short ton
  1 pound (lb)                     = 453.6 grams
  1 short ton (st)                 = 2,000 pounds, avoirdupois
  1 short ton unit (stu)           = 1% of 1 short ton or 20
                                     pounds, avoirdupois
  1 short dry ton (sdt)            = 2,000 pounds, avoirdupois,
                                     excluding moisture content
  1 troy ounce (tr oz)             = 1.09714 avoirdupois ounces
  1 troy pound                     = 12 troy ounces