EPA Method 624 Standard Back Catalog number: 41121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4382-K-IP EPA 8041A Surrogate Standard S-4382 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol Price on request 90739 Acetonitrile Price on request 10581.23-100-ME (±)-Chlorophacinone-d4 (indanedione-4,5,6,7-d4) Price on request