Azamethiphos, 100 µg/ml, Ethyl acetate, 5ml

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]

BTEX (20 µg/mL)

p-Methylstyrene