Often with Leak Detection and Repair (LDAR) surveys, companies are stuck using traditional strategies that aren’t very efficient. In fact, despite recent technological advancements, many businesses seem reluctant to ‘take the plunge’ and embrace newer methods that would help them detect fugitive emissions in their operations. The Fugitive Emissions Journal published the following where Terence Trefiak of Target Emissions Services discusses Optical Gas Imaging (OGI) technology for LDAR versus Method 21 –