EPA Method 552.2 - Surrogate Standard Back Catalog number: 30108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2326.12-K-IOX5 Arochlor 5460 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11126-42-4 Price on request 0299.19-50-T 7-Methylbenz[a]anthracene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2541-69-7 Price on request 73246 Phenazopyridine Price on request