Pirimiphos-methyl, 100 µg/ml, Toluene, 1ml

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)

n-Tridecane-d28, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 121578-12-9

EPA Method 300.0 Anions Mix A, 1000 µg/mL in Water, 1ml