EPA Method 601 Internal Standard

U{13C20}-Ochratoxin A, 10µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5

8-Bromo-2,3,4-trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene