Ethofumesate-2-keto, 100 µg/ml, Cyclohexane, 1ml

4-Amino-2-chlorotoluene-5-sulfonic acid, 250mg

1,2,3,4,6,7,8-Heptachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

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