EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9994.18 (8S,9R,10S,11R)-rel-8,9,10,11-Tetrahydro-benz[a]anthracene-8,9,10,11-tetrol, , Solvent-, Unit , # of units-, Cas.no. 78185-86-1 Price on request 31582 EPA Method 507 Nitrogen Phosphorus Pesticides Price on request 2125.12-10-IO Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2 Price on request