EPA Method 524 & 624 - Internal Standard Back Catalog number: 19794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-4337-100AN5 Quizalofop-P-ethyl, 100µg/ml in AL, 5ml Price on request 8894.5-5ML 3-Methyl-1-butanol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 123-51-3 Price on request 9767.13-1MG 4-tert-Ocylphenol-13C6, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. Price on request