Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane

1-(3,4-Dichlorophenyl)-3-methylurea, 100mg

Benzyl-n-butyl phthalate-d4, 100µg/ml in IO, 1ml

Di-n-octyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,