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) (2) Headspace Gas Chromatography (GC) (1) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area Exposure (1) Therapeutics (1) Test Category (-) Alcohols (1) Analgesics (3) (-) Anticholinergics (1) Antidepressants (1) Antiepileptics/Antiseizures (2) Cholinesterase Inhibitors (1) Pesticides/Insecticides (1) Solvents (1) Volatiles (2) Test Sub-Category Other (2) Test Test Name 3957U Procyclidine, Urine 4003U Propylene Glycol, Urine