Ethanol standard in serum,1.0g/L,serum, 1.5mL

Propylene carbonate, 1000mg

Hexachlorobenzene, 1000µg/ml in Toluene, 1ml

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)