Pyrene Back Catalog number: 90981 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93011 Stearic acid butyl ester Price on request 8818.12-5MG 2,2',3,3',4,5,5',6-Octachlorobiphenyl,neat,neat,5mg, Price on request 82504 EPA Method 8270C Mix #1 - BNS Price on request