EPA Method 551.1 Internal Standard

2,2',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-75-2

NPD F-Internal Standard Cocktail 3 Analytes, each concentration as listed in isooctane; units: 1x1mL, 5x1mL, 10x1mL Chiron No. Name CAS No Conc. 1313.10 1-Fluoronaphthalene [321-38-0 ] 1

(2RS)-2-[4-(2-Methylpropyl)phenyl]propan-1-ol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 36039-36-8