EPA Method 200.8 Calibration Standard 2 Back Catalog number: 53334 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4140-50-IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request 79617 2,3,6-Trimethylnaphthalene Price on request 9386.21-K-ME (±)-trans-11-Nor-9-carboxy-delta-9-THC, 1000µg/ml in MeOH, 1ml Price on request