Classifier Strip Test Form 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 10 pH Resolution Not Applicable Test Detects For Wastewater