EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79589 Metalaxyl Price on request 1723.18-500-IO 2-Methylcyclopenta[l]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121254-39-5 Price on request 20291 Chlorothalonil Metabolite R417888-13C2,15N2 sodium salt, 2,5mg Price on request