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) (1) (-) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (7) Sample Type Blood (1) Serum or Plasma (1) Test Area Exposure (2) Test Category (-) Alcohols (2) Anesthetics (3) Antiarrhythmics (4) Antidiabetics (4) Antiepileptics/Antiseizures (2) Antineoplastics (3) Antipsychotics (3) Carbonic Anhydrase Inhibitors (1) Hallucinogens (12) Herbicides (1) Immunosuppressants (4) Muscle Relaxants (6) NMDA Antagonists (2) Solvents (2) Stimulants (6) Volatiles (4) Test Sub-Category (-) Other (2) Test Test Name 2605B Menthol, Blood 2605SP Menthol, Serum/Plasma