EPA Method 8240A Sys Perf Check Cmpds

2-Methyl-4-isothiazoline-3-one, 10µg/ml in Acetonitrile, 10ml

EDDP-d3 perchlorate,100 µg/mL (as pyrrolinium) ,MeOH,1mL,

1-Methoxyphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 834-99-1