EPA Method 504 - EDB & DBCP Back Catalog number: 19211 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MI524-100 Powder reagents for total chlorine (100 tests) Price on request 1830.4-1G 2-Bromothiophene, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1003-09-4 Price on request D455140 3,5-Diiodo Thyroacetic Acid, 25mg Price on request