15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml

2,3,4,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Tetra-n-butyltin-d36

ß-glucuronidase from ocean-fresh Red Abalone, >100,000 u/ml, 10ml