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 (6) Analgesics (2) Anesthetics (1) Antianxiety (2) Antidepressants (1) Antiepileptics/Antiseizures (9) Antihypertensives (1) Antimicrobials (1) Depressants (1) Immunosuppressants (1) NPS/Designer Drugs (3) Other (1) (-) Pesticides/Insecticides (2) Sedative/Hypnotics (11) Solvents (9) Stimulants (7) Volatiles (2) Test Sub-Category Other (2) Test Test Name 1920B Endrin, Blood 1920SP Endrin, Serum/Plasma