2,2’,5,5’-Tetrachlorobiphenyl (52)

PAH-Mixture A 13 Analytes, each 1000 µg/mL in toluene; unit: 1,5,10x1mL 1220.15 Bisphenol A [80-05-7] 0712.11 1-Methylnaphthalene [90-12-0] 0713.11 2-Methylnaphthalene

24-Ethylcholest-5-en-3ß-ol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-5, Cas.no. 83-46-5

EPA Method 515.2 Underivatized