EPA Method 525.2 Pesticide Level 1 Back Catalog number: 92846 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2825.11-50-ME 11H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1765-48-6 Price on request 95360 Spike Mix Price on request 11995.15-1G Tribenuron-methyl,neat,neat,1g, Price on request