EPA Method 507 Analyte Mix #8 Back Catalog number: 94131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10227.14-100-ME n-Heptyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. NA 1085-12-7 for unlabelled Price on request 10734.12-100-IO 2,2',3,4,5'-Pentachlorobiphenyl Price on request 676836 3-Amino-2-oxazolidinone, 50mg Price on request