P    #regions in PPM
# 2026-07-14 22:33:29 -0400  Isaacs@CHEMCZC1249Y88
# low field   high field   mi   maxi
  9.228646372798934  6.029640802395943  0.001  0.002  # for region 1
  4.976072420845274  4.94817572892743  0.002  0.002  # for region 2
