2,4,5-T-methyl ester, 100 µg/ml, Acetonitrile, 1

4-Hydroxychrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 63019-40-9

Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane

17ß(H),21ß(H)-(22RS)-Homohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 53584-62-6