EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11839.21-100-IO Diphenyl isopropylphenyl phosphate, techn. isomer mixture,100 µg/mL,isooctane,1mL, Price on request 9138.7-1G Mesalazine, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 89-57-6 Price on request S-4243-100-ME EPA 1653 Chlorophenols 7 Analytes, each 100µg/mL in methanol; units: 1x1mL, 5x1mL 2068.6 4-Chlorophenol [106-48-9] 2064.6 2,4-Dichlorophenol [120-83-2] 2069.6 2,6-Dichlorophenol [87-65-0] 2075.6 2,4,5-Trichlorophenol [95-95-4] 2076.6 2,4,6-Trichloro Price on request