EPA Method 507 - Performance Check Solution Back Catalog number: 19137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4218-2K-10ME BTEX Mixture 2 6 Analytes, each 2000 µg/mL in methanol; units:1x1 mL, 1x5mL 1300.6 Benzene [71-43-2] 1267.8 o-Xylene [95-47-6] 1264.7 Toluene [108-88-2] 1266.8m-Xylene [108-38-3] 1268.8 Ethylbenz Price on request S-4083-K-T NPD Cocktail 2 26 Analytes, each 1000 µg/mL in toluene; unit: 1x1mL 0711.10 Naphthalene [91-20-3] 0887.13 4-Methyldibenzothiophene [7372-88-5] 0713.11 2-Methylnaphthalene [91-57-6] 0148.14 4-Ethyldibenzothiophene [89816-99-9] 0729.12 2,6- Price on request 673713 Triadimefon, 10.0 µg/ml, Ethyl acetate, 10ml Price on request