EPA Method 525.2 - 526 Internal Standard

Diphenyltolyl phosphate - purified techn. mixture of o-, m-, p-tolyl isomers,50 µg/mL,toluene,1mL,

Diuron, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 330-54-1

D10-Chlorpyrifos, 100 µg/ml, Acetone, 1ml