Prometryn, 10.0 µg/ml, Acetonitrile, 10ml

Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S

Norfloxacin, 100 µg/ml, Methanol, 1ml

Alachlor D13 (2,6-diethylphenyl D13), 100 ng/µl, 1.1ml