D5-Acetochlor, 100 µg/ml, Acetonitrile, 1ml

pH 4.01 buffer solution (box of 25x20mL sachet)

Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane

Benzo[ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-24-2