Butachlor, 100 µg/ml, Methanol, 1ml

n-C30/n-C20, n-Triacontane/n-Eicosane (Integration control) 1000 µg n-Triacontane and 2000 µg n-Eicosane in 1mL isooctane n-Triacontane/n-Eicosane = 1:2

2,4-Dibromodiphenyl ether, 1.2ml x 50ug/ml, nonane

1,2,3-Trichloropropane