Chromium (Cr), 1µg/ml in 2%-HNO3/Water, 4 x 25ml

Tetraconazole, 10 µg/ml, Ethyl acetate, 10ml

epsilon-HCH, 10 ng/µl, 1ml

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.