EPA Method 524.2 Volatile Standard

Custom Mixture of phenol ethoxylates 2044.15 4-Nonylphenol (isomer mix) 100µg/mL 1833.17 4-Nonoylphenol monoethoxylate (isomer mix) 100µg/mL 1832.17 4-Nonoylphenol diethoxylate (isomer mix) 100µg/mL 1976.21 4-Nonoylphenol triethoxylate (isomer mix)

[bc,ef,hi,kl,no,qr]-Hexabenzocoronene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 190-24-9

1,1,2-Trichloroethane, 1000 µg/ml, Methanol, 1ml