EPA 528 rev. 1.0 Primary Dilution Standard Solution 12 Analytes, each 30ng/mL in methanol; unit: 1x5mL 1427.6 Phenol [108-95-2] 2062.6 2-Chlorophenol [95-57-8] 1403.7 2-Methylphenol (o-Cresol) [95-48-7] 2085.6 2-Nitrophenol [88-75-5] 1406.8 2,4-Dime