EPA Method 525 Internals & Surrogates

Diisoheptyl phthalate (mixture of C7 isomers),1000 µg/mL,isooctane,1mL,

Fern-9(11)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1615-99-2

D8-4,4'-DDT, 100 µg/ml, Acetone, 1ml