EPA Method 8240A Matrix Spiking Standard Back Catalog number: 82410 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675745 Cyanofenphos, 10 µg/ml, Ethyl acetate, 10ml Price on request 10858.22-100MG Tetracycline hydrochloride, 100mg Price on request 11618.24-K-ME Spironolactone,1000 µg/mL,MeOH,1mL, Price on request