EPA Method 500 Internal Standard #6

Fluroxypyr, 100μg/mL in Acetonitrile, 1ml

Methyl 7,10,13,16,19-docosapentaenoate (all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108698-02-8

Citric acid [2% wt]