R3-7-754. Downstream Blending Exceptions for Transmix

A. A pipeline or third-party terminal may blend transmix into Arizona CBG or AZRBOB at a rate not to exceed 1/4 of one percent by volume. Each pipeline or third-party terminal shall document the transmix blending (recording each batch and volume of transmix blended) and maintain the records at the third-party terminal for two years from the date of blending. B. One of two methods shall be used to measure the transmix as it is blended into the product stream: 1. Meters, calibrated at least twice each year; or 2. Tank gauge as per the API Manual of Petroleum Measurement Standards.