Is SMART LDAR correctly applied today in Europe? Take a look at the diferences between CWP and AWP LDAR.

Author: Eng. Francesco Apuzzo Technical Manager

Company: Carrara Spa

LDAR is a worldwide difused 25 years old inspection routine based on EPA 453/R/95 rules and EPA 21 Method detection technique.
EPA Method 21 called CWP (Current Work Practice) was compared at the beginning of the century with the emerging technique IR OGI called AWP (Alternative Work Practice) in order to establish if they were equivalent.