17 alpha(H),21 alpha(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml

9-Nitroanthracene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 220381-38-4

Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane

(+/-)-Atenolol-d7 (isopropyl-d7), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 29122-68-7