Gas Internal/Surrogate Standard Back Catalog number: 92805 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended WM48-CVS Calibration Kit for WHO & Marker PCBs; EN 1948-4:2010, 6 x 500ul, nonane Price on request 677684 Benz[a]anthracene, 100 µg/ml, Acetonitrile, 1ml Price on request 0375.15-K-T 9-Isopropylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1484-09-9 Price on request