2,3,5,6-Tetrabromo-p-xylene, 50mg

EPA Method 8260 C-19 Standard

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

Azaspirazide 1, 1.47µM/L, Solvent-methanol, Unit 0.5mL, # of units-1, Cas.no.