EPA Method 515.1Methyl Derivatives

4-n-Nonylphenol-2,3,5,6-d4-OD, 1000µg/mL, Solvent-isopropanol, Unit 5mL, # of units-1, Cas.no. 358730-95-7

2,3,4',5-Tetrachlorobiphenyl, 5mg

Nitrite (NO2-) as N