Tuning Solution- Method 200.7 section 7.7

Aloe-emodin, 10mg

ISO 9377-2 Mixture of Mineral Oils A+B without additives Mixture 1:1 (neat), 1mL, 5x1mL Type A: Diesel fuel without additives Type B: Lubricant oil without additives

Hexavalent Chromium (Cr 6+)