Reagent Alcohol 50 Percent (v/v; 1+1) Solution size:500 ML 9 ACIDITY / ALKALINITY TO

9 ACIDITY / ALKALINITY TO PASS TEST WATER DETERMINATION 4

Test Specification Min Max APPEARANCE COLORLESS LIQUID COLORLESS LIQUID

20% RESIDUE AFTER EVAPORATION 5 ppm CHLORIDE (Cl) 3 ppm PHOSPHATE (PO[@4@]) 1 ppm ARSENIC AND ANTIMONY 10 ppb ALUMINUM 100 ppb BORON 100 ppb CALCIUM (Ca) 100 ppb CHROMIUM (Cr) 100 ppb COPPER (Cu) 100 ppb GOLD 100 ppb IRON (Fe) 100 ppb LEAD (Pb) 100 ppb MAGNESIUM (Mg) 100 ppb MANGANESE (Mn) 100 ppb NICKEL (Ni) 100 ppb POTASSIUM (K) 100 ppb SODIUM (Na) 100 ppb TIN (Sn) 100 ppb TITANIUM (Ti) 100 ppb ZINC (Zn) 100 ppb PARTICULATE COUNT (=/> 1

0% TRACEABLE TO NIST EXPIRATION DATE

Reagent Alcohol 50 Percent (v/v; 1+1) Solution size:500 ML 9 ACIDITY / ALKALINITY TOTest Specification Min Max SPECIFIC GRAVITY @ 20C 0. 928 + 0. 008 0. 928 + 0. 008 APPEARANCE EXPIRATION DATE DATE OF MANUFACTURE