TITLE 83: PUBLIC UTILITIES
CHAPTER I: ILLINOIS COMMERCE COMMISSION
SUBCHAPTER d: GAS UTILITIES
PART 535 BACKGROUND CHECKS AND MERCURY COMPLIANCE
SECTION 535.20 APPLICATION
Section 535.20 Application
This Part establishes the procedures for completing certificates that a public utility shall require from employees or contractors before any work is performed by these employees or contractors on a facility used for the distribution of natural gas and the procedures for the conducting of mercury vapor tests and the use of mercury vapor testing equipment by the public utility, its agents, or its contractors.