Interference Standard 4 Back Catalog number: 53041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1355.2-K-ME 1,2-Dichloroethane,1000 µg/mL,MeOH,1mL, Price on request 80901 EPA Method 8090 - Analytes Mix #1 Price on request MEL Melamine, 1.2ml x 100ug/ml, water Price on request