EPA Method 552.2 - Surrogate Standard Back Catalog number: 30108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79610 2-Ethylnaphthalene Price on request 2490.12-K-IO Tetra-n-propyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2176-98-9 Price on request 59637 Metals Mix #1 Price on request