EPA 8240B Calibration Mix 6

2,2',4,4'-Tetrabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2,3,5,6-Tetrachloroaniline, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3481-20-7

Phthalic-3,4,5,6-d4 acid,neat,neat,1g,