Classifier Strips Wastewater Testing Parameter Acid/Base Oxidizer Flouride Organic Solvent/Petroleum Distillate Iodine Bromine and Chlorine Range 0-13 pH 20 ppm Flouride 10 ppm Petroleum Products and Organic Solvents 10 ppm Hydrogen Sulfide 10 ppm Nitrates and 1 ppm Nitrites Number of Tests 10 Detects For Identifies Unknown Wastewater Recommended for Domestic Preparedness Package Quantity 10