EPA Method 504 - EDB & DBCP Back Catalog number: 93491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10037.4-100MG 4-Nitrosopiperazin-2-one, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 18907-82-9 Price on request 9352.10-250MG L-Nicotine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 54-11-5 Price on request 11304.27-10MG d6 C27 ??? (20R)-Cholestane (2,2,3,3,4,4-d6),neat,neat,10mg, Price on request