General Information

Definition of Segments:

  • Segment 1 = 11-20 ppm
  • Segment 2 = 21-30 ppm
  • Segment 3 = 31-40 ppm
  • Segment 4 = 41-69 ppm
  • Segment 5 = 70-90 ppm
  • Segment 6 = 91 + ppm or more