EPA Method 8240A Sys Perf Check Cmpds

2-n-Octyl-4-isothiazolin-3-one, 100mg

Hexachloro-1,3-butadiene 13C4, 100µg/mL in Acetone, 1ml

1H,1H,2H,2H-Perfluoro-n-octyl acrylate-d3,50 µg/mL,MeOH,1mL,