EPA Method 502/524 High Conc VOC Mix #3

2,4'-DDE-d8 (dichloropropyl-d4), 100µg/mL in AL, 1ml

Surfactant Mixture 2 2 Analytes, each 100µg/mL in toluene; unit: 1x5mL 1224.24 Bis(2-ethylhexyl) phthalate BEHP [117-81-7] 1223.24 Di-n-octyl phthalate DNOP [117-84-0]

Naphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-20-3