EPA Method 524.3 - Internal Standard Back Catalog number: 95488 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674526 Benzyldimethyldecylammonium chloride, 10.0 µg/ml , Price on request 50226 Sodium Chloride Solution (NaCl) Price on request 676829 Toltrazuril sulfone, 10mg Price on request