Spiking Standard Kit Back Catalog number: 53068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31027 EPA Method 525 Pesticide Mix #1 Price on request 9987.8-100-ME N-Acetyl-S-(carbamoylethyl-d4)-L-cysteine , 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81690-92-8 (unlabelled compound) Price on request DF-ST-B Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request