Doxycycline hyclate, 100 µg/ml, Methanol, 1ml

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Calibration Verification Solution , 1ml, nonane

5-Chloro-2-methyl-4-isothiazoline-3-one, 25mg