4,4’-DDD

EPA Method 537 Analyte Primary Dilution Standard (linear isomers only), 1.2ml, methanol

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

Allyl 2,4,6-tribromophenyl ether, 1.2ml x 50ug/ml, toluene