EPA Method 8260B - Purgeable Internal Std

Ethanol in serum control EtOH SE (4.0g/L), 10x3ml

2-Isopropyl-3-methoxypyrazine

3,4,5-Trichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 57057-83-7