EPA Method 528 Internal Standard

Benoxacor, 10.0 µg/ml, Acetonitrile, 10ml

Linuron-d6 (dimethyl-d6), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 330-55-2

2,4'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane