Classifier Strip, Overall Length 11 3/4 in, Test Type Classifier Strips, Testing Parameter One Acid/Base, Fluoride, Hydrogen Sulfide, Nitrate, Nitrite, Petroleum/Organic Solvent, Overall Width 1 in, Parameter Measurements Included 0 to 13 pH, 1 ppm Nitrite, 10 ppm Hydrogen Sulfide, 10 ppm Nitrate, 10 ppm Petroleum/Organic Solvent, 20 ppm Fluoride, Number of Tests 50, pH Resolution Not Applicable, Test Detects For Wastewater, Parameter Five Measurements Included 10 ppm Petroleum/Organic Solvent