zeta-Cypermethrin, 100 µg/ml, Acetone, 1ml

Arochlor 1242 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 53469-21-9

PAH/NPD Stock Solution 21 Analytes, each consentration as listed in acetone; units: 1x1mL, 5x1mL 0711.10 Naphthalene [91-20-3] 1.86 µg/mL 0713.11 2-Methylnaphthalene [91-57-6]

Perfluoro-n-[1,2,3,4,5-13C5]pentanoic acid, 50µg/ml in MeOH, 1,2ml