If the members of the four delimited categories are counted as separate chemicals, the TRI Program covers 690 chemicals and chemical categories (i.e., 595 + 27 + 68). Note: methyl mercaptan and 2,2-dibromo-3-nitrilopropionamide are under administrative stays and are not currently reportable.
1 Open all the doors and windows.  2 You want to make sure you ventilate the house, Altman said. 3  If you suddenly notice your grass or shrubs have changed color, looking more brown or rusty, that could be a sign of a leak: the gas pouring out of the pipes.
How to find leaks in gas piping: How to Identify & Correct LP Gas or Natural Gas Leaks. 1  GAS LEAK DETECTION, LP / NG - CONTENTS: How to Identify & Correct LP Gas or Natural Gas Leaks in gas piping, at controls, valves, regulators, connections, and appliances. How to report defects found in oil or gas piping inspections. Home inspection report language examples for oil or gas piping defects and leaks.