1,2,3,7,8-Pentachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

4-(Methylsulfonyl)-2-nitrobenzoic acid, 100mg

Acetochlor

n-Alkanes C14-C32 (even + pristane/phytane) 12 Analytes, each 1000 µg/mL in isooctane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane.