EPA Method 8020 Analytes Back Catalog number: 19214 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1692.12-100-TX5 2-Fluorodibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 177586-38-8 Price on request D445642 Diflufenican-d3, 1mg Price on request 10709.4-100-MEX5 O,O-Diethylthiophosphate-13C2, sodium salt Price on request