Prothoate, 10 ng/µl, 10ml

2-Nitronaphthalene, 100µg/ml in Toluene, 1ml

2,2’,5,5’-Tetrachlorobiphenyl (52)

ISO 9377-2Mod Standard Mixture of n-Alkanes + BTEX I S-4423-50-5PE C7+C10+ C20+C40+BTEX (without p-Xylene) in n-Pentane Determination of Hydrocarbon Oil in Water Index 9 Analytes; each 50µg/mL in n-pentane; units: 1x1mL, 1x5mL, 10x1mL Benzene