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Glossary of terms used on this site:

AAS Atomic absorption spectrometry
CFC Closed face cassette
CRM Certified reference materials
ICP-AAS Inductively coupled plasma – Atomic Emission Spectroscopy
ICP-MS Inductively coupled plasma – Mass Spectroscopy
ILS Inter-laboratory study
MCE Mixed cellulose esters
NIOSH National Institute of Occupational Health
OSHA Occupational Health and Safety Administration
PVC Polyvinyl Chloride
RSD Relative standard deviation
UE Ultrasonic extraction