Methods : ASTM D1655, ASTM D7797, IP 583 FIJI provides a rapid, easy-to-use solution for detecting FAME contamination in aviation fuels down to 10 mg/kg. Utilizing advanced FTIR technology and a patented sample preparation system, FIJI serves as an ideal field or lab-based screening tool, helping to prevent costly delays and ensure fuel quality. Multi-product versions and upgrade options are available for testing distillate and residual fuels according to ASTM D7963.