EPA Method 1664 - Oil & Grease (Sonicate)

N-Nitrosonornicotine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 808508-23-2

2,2',5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-34-1

Diphenyl isopropylphenyl phosphate, techn. isomer mixture,100 µg/mL,isooctane,1mL,