4-n-Nonylphenol, 1000µg/ml in MeOH, 1ml

2,3,7,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene

Total Kjeldahl Nitrogen as N

Custom Mix of 4-nonyl- and 4-t-octylphenol 2044.15 4-Nonylphenol (mix of isomers) 350 ng/mL 1446.14 4-tert-Octylphenol 300ng/mL