EPA Method 1618 Organochlorine Mix C

n-Heptyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. NA 1085-12-7 for unlabelled

ISO 8165-1 Internal Control Stock Solution 1 1 Internal standard, 1000µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7]

3,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane