Methylcyclohexane

Thiophene in Thiophene-free Benzene Units: 5x1mL in certan bottles, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)

EPA Method 525 Spike B

Fenthion, 1000µg/ml in Hexane, 1ml