EPA Method 515.1 Internal Standard Back Catalog number: 31023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PLAS-UV-014S-CN 2-(3-sec-Butyl-5-tert-butyl-2-hydroxyphenyl)benzotriazole, 1000µg/ml in AL, 1ml Price on request 72549 (-)-Linalool Price on request 681351 Imazamox-methyl, 10mg Price on request