EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml Back Catalog number: 91206 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 0985.28-100-IOX10 d2 C28 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-81-3 Price on request 2262.30-50-IO 17 alpha(H),21ß(H)-30-Nor-29-methylhopane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 71240 2,3-Benzofluorene, 1000µg/ml in methylene chloride, 1ml Price on request