13C3-Atrazine-desethyl-desisopropyl, 100 µg/ml, M

PCB-Mix 3, 100 ng/µl, 10ml

p-Sexiphenyl, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4499-83-6

EPA Method 8260B Surrogate Standard