Section 501.300  Correctors

a)         A utility shall install all correctors in accordance with the recommendations of AGA Gas Measurement Manual, Electronic Corrector, Part No. 15 (May 1999), XQ9901.

b)         A utility that installs an electronic or mechanical corrector shall verify the proper operation of the corrector at least every 60 months.

1)         Verification temperatures are 32°F and 75°F/or flowing gas temperature with a tolerance of ± 2.5°F.

2)         Verification pressures are zero and flowing pressure with a tolerance of ± 1%.

c)         A utility shall maintain the most recent 10 years of inspection records.