EPA Method 525.2Mix #1

2-Nonanone, 1ml

4-Isopropylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4946-14-9

2,4',5-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane