EPA Method 508 Pesticide Standard Back Catalog number: 92961 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52079 Instrument Standard 3 Price on request 10943.39-K-CF Phosphatidylethanol-d5 ammonium salt,1000 µg free acid/mL,chloroform,1mL, Price on request 681598 2-Methoxyacetophenone, 100mg Price on request