EPA Method 525 Internals & Surrogates Back Catalog number: 91161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D431829 Dichloroacetic Acid-d2, 100mg Price on request 79067 2,3,6-Trichlorophenol Price on request 2295.3-1G Malonic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 141-82-2 Price on request