Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Headspace Gas Chromatography (GC) (2) Refractometer (REF) (2) Sample Type Blood (1) Tissue (1) Urine (1) Test Area Exposure (3) Test Category Anesthetics (6) Antianxiety (3) Anticholinergics (4) Antidepressants (9) Antiepileptics/Antiseizures (2) Antipsychotics (1) Diuretics (2) Drugs of Abuse (1) Muscle Relaxants (4) Plasticizers (2) (-) Volatiles (3) Test Sub-Category (-) Other (3) Test Test Name 0541B Benzene, Blood 0541TI Benzene, Tissue 0556U Benzidine, Urine