EPA Method 548.1 Internal Standard Back Catalog number: 30078 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59765 Potassium Chloride Modifier (K) Price on request XA10332100AC Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml Price on request 1350.1-5ML Chloroform, 99+%, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 67-66-3 Price on request