The GPL-TOX screens for 172 different environmental pollutants using 18 different metabolites from a single urine sample including organophosphate pesticides, phthalates, benzene, xylene, vinyl chloride, pyrethroid, insecticides, acrylamide, perchlorate, diphenyl phosphate, ethylene oxide, acrylonitrile and more. The profile also includes Tiglylglycine (TG), a marker for mitochondrial disorders resulting from mutations of mitochondrial DNA. These mutations can be caused by exposure to toxic chemicals, infections, inflammation and nutritional deficiencies. The GPL-TOX uses advanced mass spectrometry (MS/MS) which is necessary to detect lower levels of certain genetic, mitochondrial and toxic chemical markers that conventional spectrometry often miss. It pairs perfectly with other Great Plains Laboratory tests to assess for exposure to common environmental toxins. These include the Organic Acids Test (OAT) and the Glyphosate Test. Exposure to environmental pollutants has been linked to many chronic diseases.