Malathion, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121-75-5

4-Bromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 106-41-2

ISO 9377-2 Standard Mixture of n-Alkanes C20-C40 (all even) Determination of Hydrocarbon Oil in Water Index 11 Analytes, each 50µg/mL in n-Pentane, units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 50µg/mL in n-hexane; units 1x1mL, 1x5

1,2,3-Trichloropropane, 1ml