18O4-Sodium perchlorate, 100 µg/ml, Water, 1ml

1,4-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 571-58-4

2,4-Dichlorobiphenyl (BZ-8)

MCPA, 1000µg/ml in MTBE, 1ml