EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4339-1-10IOX5 Routine Biomarker Internal Standard Coctail 7 0978,10 Naphthalene-d10 1336,12 Acenaphthylene-d8 0389,14 Phenanthrene-d10 0329,16 Pyrene-d10 1088,20 Benzo[a]pyrene-d12 Concentration: 1µg/ml in isooctane Price on request 50043 Anion Mix #2 Price on request 52327 SDWA Trace Elements #3 Price on request