beta-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml

Desmedipham, 100μg/ml in MeOH, 5ml

n-Pentyl-iso-pentyl phthalate-3,4,5,6-d4 (n-Pentyl-3-methylbutyl phthalate-3,4,5,6-d4), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,3,4,5-Tetrachlorophenol, 10.0 µg/ml, Methanol,