beta-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10ml

alpha-Methylstyrene, 200 µg/ml, Methanol, 1ml

1,2-Dimethoxyethane, Internal Standard in isooctane, ASTM, 2000µg/mL, Solvent-isooctane, Unit 20mL, # of units-1, Cas.no. 110-71-4

Sodium (Na)