Spiking Standard 3

alpha-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,

2,3-Diaminonaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 771-97-1

4-tert-Butylphenyl diphenyl phosphate, 1.2ml x 50ug/ml, toluene