EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4223-K-ME GRO Mixture 4, UST Modified Gasoline Range 10 Analytes, each 1000 µg/mL in methanol; untits: 1x1mL, 1x5mL 1300.6 Benzene [71-43-2] 1265.8 p-Xylene [106-42-3] 1264.7 Toluene [108-88-2] 1270.9 1,2,4-Trimethylbenzene [95-63-6] 1268.8 Ethylbenzene [1 Price on request 91259 n-Hydrocarbon Standard (C6-C32), 2000µg/ml in MeCHl, 1ml Price on request S-4050-3-10IO Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions Price on request