4-Chlorophenoxyacetic acid

2-Chloro-5-methylphenol

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1

EPA Method 507/525 Analyte Mix #6