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

Lithium acetoacetate, 100 µg/ml, Water, 1ml

Bis(2-ethylhexyl) phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117-81-7

Internal Standards Mix 33, 2000 ng/µl, 1ml