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

SDWA Carbon disulfide, MIBK, Naphthalene Cal 4

2,2',4,4',5-Pentabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

2,2,3,4,5-Pentachlorobiphenyl (BZ-90)