Abamectin, 100 µg/ml, Acetonitrile, 5ml

Hexavalent Chromium (Cr 6+)

Custom PAH Syringe Standard Mix 10x1mL Each 50µg/mL in isooctane 1087.18: Benz[a]antracene-d12 1349.20: Benzo[k]fluoranthene-d12 1086.12: Biphenyl-d10 1537.18: p-terphenyl-d14

2-Nitrodibenzothiophene,1000 µg/mL,isooctane,1mL,