EPA Method 552 Internal Standard Back Catalog number: 30055 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBDE-MXFS Mass-Labelled PBDE Surrogate Stock, 2000ng/mL in Toluene/25.2% nonane, 1,2ml Price on request 2319.15-100-AN Cyproconazole Price on request 71496 Cyfluthrin, “Baythroid” Price on request