Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Colorimetry (C) (2) Gas Chromatography (GC) (1) Headspace Gas Chromatography (GC) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (6) Sample Type 24 Hour Urine (1) (-) Urine (2) Test Area Exposure (2) Test Category Biomarkers (2) (-) Metals/Elements (1) (-) Solvents (1) Test Sub-Category Other (2) Test Test Name 4370U Thallium, Urine 4513U Toluene Exposure, Urine