Mefenpyr-diethyl, 100ug/ml in Acetonitril, 5ml

2,4,4'-Trichlorobiphenyl-2',3',5',6'-d4, 100 µg/mL in Isooctane, 1mL

Aqueous ethanol control EtOH AQ (1.5g/L), 10x1,5ml

BTEX (5.0 µg/mL)