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) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type Blood (1) Serum or Plasma (1) Test Area Exposure (2) Test Category Alcohols (9) Analgesics (29) Anesthetics (3) Antacids (3) Antianxiety (3) Antiarrhythmics (5) Antidepressants (9) Antidiabetics (4) Antiemetics (3) Antiepileptics/Antiseizures (5) Antihypertensives (6) Antimicrobials (4) Antineoplastics (3) Antipsychotics (4) Antithyroids (2) Biomarkers (1) Carbonic Anhydrase Inhibitors (1) Drugs of Abuse (2) (-) Gases (1) Hallucinogens (15) (-) Herbicides (1) Immunosuppressants (4) Metals/Elements (58) Muscle Relaxants (6) NMDA Antagonists (2) NPS/Designer Drugs (3) Pesticides/Insecticides (4) Sedative/Hypnotics (10) Solvents (5) Stimulants (14) Volatiles (13) Test Sub-Category Hydrocarbons (1) Other (1) Test Test Name 2745B Methane, Blood 3048SP Metribuzin, Serum/Plasma