EPA Method 8270A - Analytes Mix #8 Back Catalog number: 10018R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0974.29-100-IOX10 d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. Price on request 83553 Isovaleraldehyde-DNPH Price on request 0978.10-K-IOX5 Naphthalene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 1146-65-2 Price on request