D3-Metribuzin, 100 µg/ml, Acetonitrile, 1ml

alpha alpha alpha (24R)-4 alpha-Methyl-24-ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53596-90-0

Surrogate Standard

2,3,3',4',5-Pentachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane