FID: the gold standard in VOC emissions monitoring for more than 50 years

Published: 26-Jun-2025

Signal Group was one of the first companies in the world to develop VOC emissions analysers and, in the following article, the company’s Managing Director, James Clements, will explain why FID became the reference method ... and why it's lasted the test of time

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The Flame Ionisation Detection (FID) method was first developed in the 1950s for the laboratory analysis of organic chemicals.

Later, when environmental regulations began to limit the emissions of volatile organic chemicals (VOCs) in the 1970s and 1980s, the FID method was adapted for emissions monitoring.

Background

Organic chemicals have always been widely used in industrial processes, but awareness of the harmful effects of VOCs on health and the environment did not become significant until the 1970s.

At that time, President Richard Nixon presented proposals on environmental protection that included the establishment of a federal Environmental Protection Agency (EPA).

FID: the gold standard in VOC emissions monitoring for more than 50 years

This led to the development of maximum allowable concentrations for pollutants, many of which were subsequently adopted around the world. 

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