EPA Method 8240A Sys Perf Check Cmpds

Metoprolol Tartrate, >98%, 5g

o,p'-DDT, 100µg/ml in MeOH, 1ml

2,5-Dichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 583-78-8