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There are numerous regulations in place that limit the amount of toxic compounds and metals that can be released into the atmosphere. EDXRF lends itself to many important analytical applications in support of these regulations.

Soil Screening and Analysis
At wood treating facilities chromium, arsenic and pentachlorophenol may seep into the ground; in plating shops it may be chromium, while toxic metals such as lead, mercury, arsenic and cadmium contaminate numerous other sites. XRF is commonly used as a screening tool to identify grossly contaminated areas that must be remediated. Smaller benchtop EDXRF instruments might be used on site, while higher end instruments are used in the lab.

PCB's in soil
In areas of know PCB contamination where the soil is naturally low in chlorine, EDXRF can be used as a screening tool for PCB's.

Lead in Paint
Lead was long used in paint until it was found to be a leading cause of lead poisoning among children and people who work on the exteriors of older buildings. Thousands of hand held EDXRF instruments have been sold to meet lead in paint monitoring regulations.