Total organic carbon (TOC) std, 250mL

1,3,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

3,4,4'-Trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38444-90-5

(+/-)-Normetanephrine hydrochloride,1000 µg base/mL,MeOH,1mL,