Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Ion Specific Electrode (ISE) (1) Sample Type 24 Hour Urine (3) Blood (7) Fluid (1) Hair (4) (-) Liquid (1) Nails (3) RBCs (3) Serum or Plasma (7) Tissue (1) Urine (12) Test Area Substance ID (1) Test Category (-) Metals/Elements (1) Test Sub-Category (-) Other (1) Toxic Elements (6) Trace Elements (3) Test Test Name 2090LI Fluoride Preservative Determination, Liquid