525.2 Internal & Surrogate Standard

Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2050-94-8

2,2',3,4,4',6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Ethanol standard in water,0.2g/L,water, 1.5mL