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 (2) Blood (6) Fluid (1) Hair (4) (-) Liquid (1) Nails (3) RBCs (1) Serum or Plasma (5) Tissue (1) Urine (9) Test Area Substance ID (1) Test Category (-) Metals/Elements (1) Solvents (1) Test Sub-Category (-) Other (1) Toxic Elements (2) Trace Elements (1) Test Test Name 2090LI Fluoride Preservative Determination, Liquid