Terbumeton, 10.0 µg/ml, Methanol, 10ml

(+/-)Atenolol, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 29122-68-7

2,4,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Dow 624B Volatile Internal/Surrogate Standard