EPA Method 525.2 Pesticide Level 5 Back Catalog number: 92842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11722.12-100-IO 2,3,3',4,5'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 71501 (R)-(+)-Limonene Price on request 1534.20-K-TX10 Perylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1520-96-3 Price on request