EPA Method 524 & 624 - Internal Standard

2,2',3,3',4,5,5',6-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 68194-17-2

1-Naphthaldehyde,1000 µg/mL,isooctane,1mL,

Flufenamic acid, 100mg