43 CFR 3175.119 – Components to analyze
(a) The gas must be analyzed for the following components:
(1) Methane;
(2) Ethane;
(3) Propane;
(4) Iso Butane;
(5) Normal Butane;
(6) Pentanes;
(7) Hexanes + (C
(8) Carbon dioxide; and
(9) Nitrogen.
(b) When the concentration of C
(1) Hexanes;
(2) Heptanes;
(3) Octanes; and
(4) Nonanes +.
(c) In lieu of testing each sample for the components required under paragraph (b) of this section, the operator may periodically test for these components and adjust the assumed C
(1) For high-volume FMPs, once per year; and
(2) For very-high-volume FMPs, once every 6 months.