Interference Standard 3 Back Catalog number: 52050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83502 2,4-DB methyl ester Price on request 3411.9-100-CY Folpet Price on request 676594 D8-4,4'-DDT, 100 µg/ml, Acetone, 1ml Price on request