Modified 525.2 Pesticide Standard #1 Back Catalog number: 31006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93854 Organophosphorous Pesticides Price on request 0952.10-K-IO 2,3-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4923-91-5 Price on request 58182 Lead (Pb) Price on request