Pipeline and Hazardous Materials Safety Administration September 24, 2014 – Federal Register Recent Federal Regulation Documents

This document clarifies PHMSA's policy regarding applications for classification approval of Display Aerial Shells with Attachments, provided they conform to the acceptable criteria described in this guidance, and otherwise comply with APA Standard 87-1 requirements. Although the APA Standard 87-1 provides requirements for Display Aerial Shells, it does not specifically address Display Aerial Shells with Attachments.