Citric acid [2% wt]

2,6-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 33146-45-1

7-Aminoclonazepam-d4 , , Solvent-, Unit , # of units-, Cas.no. 1215070-96-4

Arochlor 1260 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11096-82-5