D5-Metamitron, 100 µg/ml, Acetonitrile, 1ml

2,3-Benzofluorene, 1000µg/ml in methylene chloride, 1ml

d3 C21Monoaromatic Sterane (5 alpha(H)/5ß(H)), 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Sulfur in Isooctane - 0.001 Wt%