EPA Method 551.1 Performance Check Soln Back Catalog number: 30114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20012 CLP Pesticide Standard Mix A - 4x Low Point Price on request 679259 D6-Metazachlor, 100 µg/ml, Acetonitrile, 1ml Price on request S-4675-ASS-10AC ISO 18857-2 4-tert-Octylphenol, Internal standard, assorted in acetone 1446.14 4-tert-Octylphenol 1 µg/mL 3689.16 4-tert-Octylphenol monoethoxylate 1 µg/mL 3753.18 4-tert-Octylphenol diethoxylate 1 µg/mL 3754.20 4-tert-Octylphenol triethoxylate 1 µg/ Price on request