EPA Method 8240A Sys Perf Check Cmpds

17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5

PCN Major Halowax Congeners Solution/Mixture, 1.2ml, nonane

Ammonia as N