EPA Method 507 Analyte Mix #1 Back Catalog number: 30182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52040 Interference Standard Mix 2 Price on request 673492 Bupirimate, 10 µg/ml, Ethyl acetate, 10ml Price on request 71921 Phthalic acid bis(2-methoxyethyl) ester Price on request