EPA Method 8121 Surrogate Standard

2,3',4',6-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-62-6

(+/-)-Citalopram-d4 hydrobromide, 1000µg/ml in MeOH, 1ml

CWA Semi-Volatiles in Non-Potable Water