Tri-o-tolyl phosphate, 1.2ml x 50ug/ml, toluene

4-n-Pentylphenol-d16, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 1219805-40-9

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.

1,2,3,6,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene