Section 170IAC5-1-9. Periodic testing of meters

   A public utility may not allow a gas meter to remain in service for longer than sixteen (16) years without either:

(1) checking it for accuracy and readjusting it if found to be incorrect beyond the limits established under section 8 of this rule; or

(2) verifying by statistical quality control sampling as established in the approved statistical quality control program in the fifteenth year in service, and in each succeeding year the meter is allowed to remain in service that the meter in the population sampled does not exceed an average accuracy figure of one hundred two percent (102%) or two percent (2%) above absolute accuracy of one hundred percent (100%) when tested at the meter's check and open rates with an acceptable quality level (AQL) equal to ten (10.0).

(Indiana Utility Regulatory Commission; No. 34613: Standards of Service For Gas Public Utilities Rule 9; filed Oct 14, 1976, 10:20 a.m.: Rules and Regs. 1977, p. 393; filed Jun 11, 1984, 1:00 p.m.: 7 IR 1707; filed Jun 8, 1992, 5:00 p.m.: 15 IR 2162; errata filed Jul 17, 1992, 5:00 p.m.: 15 IR 2596; readopted filed Jul 11, 2001, 4:30 p.m.: 24 IR 4233; readopted filed Apr 24, 2007, 8:21 a.m.: 20070509-IR-170070147RFA; readopted filed Aug 2, 2013, 2:16 p.m.: 20130828-IR-170130227RFA)