EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71220 n-Tetracontane Price on request 2458.7-K-IP 4-Methyl-2-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 119-33-5 Price on request RPC-170AS 2,2,3,3,4,4,5,6-Octachlorobiphenyl 38,75 €