Sodium (Na)

EPA Method 630/630.1 Stock Solution #2

3,5-Dibromotoluene, 100mg

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