EPA Method 525 Internals & Surrogates

1-Naphthol

Tritolylphosphate (isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1330-78-5

4-n-Nonylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104-40-5