Terbufos-sulfone, 100 µg/ml, Acetonitrile, 1ml

Glycerol: See product 3644.3, , Solvent-, Unit , # of units-, Cas.no.

EPA Method 8260 - Purgeable Internal Standard

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)