D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml

Triethanolamine

2,4-DB methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18625-12-2

EPA Method 527 Surrogate Standard