Demeton-S-methyl, 100 µg/ml, Toluene, 1ml

2-Nitrotoluene, 100 µg/ml, Methanol, 5ml

Prometryn, 10.0 µg/ml, Acetonitrile, 10ml

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1