Atrazine Back Catalog number: 70023 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 30057 EPA Method 552 Surrogate Standard Methyl Ester Price on request S-4054-2.5K-10XY 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 Price on request 95474 1,2-Dihydro-1,1,6-trimethylnaphthalene Price on request