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) Sample Type Blood (1) Serum or Plasma (1) Test Area Exposure (2) Test Category Alcohols (7) Analgesics (2) Anesthetics (1) Antianxiety (3) Antidepressants (1) Antiepileptics/Antiseizures (9) Antihypertensives (1) Antimicrobials (1) Depressants (1) Diagnostic Aids (1) Drugs of Abuse (1) Immunosuppressants (1) NPS/Designer Drugs (3) Other (1) (-) Pesticides/Insecticides (2) Sedative/Hypnotics (13) Solvents (11) Stimulants (7) Volatiles (2) Test Sub-Category Other (2) Test Test Name 1920B Endrin, Blood 1920SP Endrin, Serum/Plasma