EPA Method 624 Internal / Surrogate Standard Back Catalog number: 92559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3692.15-100-05MX Domoic acid, 103.8µM, Solvent-AN/water, Unit 0.5mL, # of units-1, Cas.no. 14277-97-5 Price on request 9826.0-K-IO Chlorinated paraffins (Cl:40%), technical mix, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 53073 Spiking Standards Kit Price on request