EPA Method 504 - EDB & DBCP Back Catalog number: 19229 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59073 EPA 300.0 Standard Price on request 2700.8-25MG Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 519-32-4 Price on request 0555.30-10MG alpha-Amyrine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 638-95-9 Price on request