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) (2) Sample Type (-) Liquid (1) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (1) Substance ID (1) Test Category Metals/Elements (2) Test Sub-Category Other (1) Trace Elements (1) Test Test Name 2090LI Fluoride Preservative Determination, Liquid 2090U Fluoride, Urine