EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0794.18-500-IO Retene, 500µg/mL in Isooctane, 1ml Price on request 57182 Lead (Pb) Price on request 3448.16-100 Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 72-43-5 Price on request