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

8:2 Di-PAPS, 50µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 678-41-1

Internal standard mixture for EPA 8275A and 8270C 6 Analytes, each 4000µg/mL in dichloromethane; units: 1x1mL, 5x1mL 1524.12 Acenaphthene-d10 [15067-26-2] 1024.18 Chrysene-d12 [1719-03-5] 1957.6 1,4-Dichloro

beta-Estradiol hemihydrate, 250mg