EPA Method 8330 Analyte Back Catalog number: 79075 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2723.16-100-IO 1,3,4-d3-2-Isopropylthioxanthone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 678380 4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Price on request LGCAMP0460.08-01 Bisoprolol Fumarate, 1.0mg/ml in MeOH (as free base), 1ml Price on request