EPA Method 552.2 - Surrogate Standard Back Catalog number: 30108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73560 Isocarbophos Price on request 1810.13-50-IO Hexachlorophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 70-30-4 Price on request DF-12467-S 1,2,4,6,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request