4-tert-Octylphenol, 100µg/ml in MeOH, 1ml

Diclofenac D4 acid (phenyl D4), 100 ng/µl, 1.1ml

Ammonium as N

1,2,4,6,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane