Spiking Standard 1

1,2,3,6,7-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

gamma-HCH, 100 µg/ml, Ethyl acetate, 5ml

Purified asfalthenes from Venezuelan Oil, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.