EPA Method 8240A Matrix Spiking Standard Back Catalog number: 82410 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683391 4-Methylbenzophenone, 1000mg Price on request 1671.10-100-IO 1,2,9,10-Tetrachlorodecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205646-11-3 Price on request 2312.12-100-AN Isoproturon Price on request