Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml

o-Cresol-d8 (2-Methylphenol-d8)

Surfactant Mixture 2 2 Analytes, each 100µg/mL in toluene; unit: 1x5mL 1224.24 Bis(2-ethylhexyl) phthalate BEHP [117-81-7] 1223.24 Di-n-octyl phthalate DNOP [117-84-0]

Mercury (Hg II)