3,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1

D6-Metazachlor ESA sodium salt, 100 µg/ml, Aceton

EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml