EPA Method 505/507 - Pesticide Standard Back Catalog number: 91936 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDD-1278 1,2,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 2104.30-100-IO Hydroxyhopanone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1981-81-3 Price on request XA12143000AL Demeton-S-methyl, 100µg/mL in Acetonitrile, 1ml Price on request