D5-Metamitron, 5mg

EPA Method 537 Native Primary Std (br/l mix), 2µg/ml in MeOH, 1,2ml

Crotoxyphos, 10 µg/ml, Isooctane, 1ml

IP 436-98 Resolution Standard 3 Analytes, each Wt.% as listed in n-Heptane; units: 1x5mL, 5x5mL Cyclohexane 10.0 mg/mL o-Xylene 5.0mg/mL 1-Methylnaphtalene 0.5mg/mL