EPA Method 1667 Analytes Back Catalog number: 82451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70315 2,3,5,6-Tetrachlorophenol, 1000µg/ml in MeChl, 1ml Price on request IBPO010 Brilliant Black PN (E 151), 1g Price on request SC-263312 Ethyl perfluoroheptanoate, 5g Price on request