EPA Method 504 - EDB & DBCP Back Catalog number: 93491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50275 Custom Mix Price on request 95641 Acids Supplemental Standard Price on request 10378.20-100-ME EDDP perchlorate,100 µg/mL (as pyrrolinium) ,MeOH,1mL, Price on request