ECH Standard Back Catalog number: 92141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30122 2,4-Dichlorophenylacetic acid Price on request 30064 EPA Method 502/524 High Conc VOC Mix #7, 2000µg/ml in MeOH,1ml Price on request 95161 2,4,5-Trichlorophenol Price on request