Con Edison Gas Operations LDP Practice Test 2026 – Complete Exam Guide

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When gas is detected in a building, what is the recommended course of action first?

Ventilate the building and continue work

Locate the source of the leak and isolate it; if it cannot be vented below 0.5% gas in the air, evacuate and notify the GERC

When gas is detected, the immediate focus is to control the hazard by stopping the release at its source and protecting people. The best course is to locate the leak and isolate it to stop further gas from entering the area. Venting can help reduce gas buildup, but it must be able to bring the concentration down to a safe level—here specified as below 0.5% in air. If you cannot achieve a safe concentration by venting, you must evacuate the area and notify the Gas Emergency Response Center so trained personnel can respond. Ignoring the gas, turning on electrical equipment, or continuing work while a leak exists creates a high risk of ignition and injury.

Ignore and call a supervisor later

Turn on all electrical equipment to trigger alarms

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