EPA Method 504 - EDB & DBCP Back Catalog number: 93491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92712 BTEX Standard Price on request 674526 Benzyldimethyldecylammonium chloride, 10.0 µg/ml , Price on request 97871 Phenylacetylene Price on request