EPA Method 552,552.1,552.2 Internal Std

Tetrabutylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1643-19-2

4,6,8-Trimethylazulene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 941-81-1

2-Ethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 90-00-6