CLP - Base/Neutral Matrix Spiking Solution Back Catalog number: 19072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11701.12-100-IO 2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 51001 Unleaded Gasoline 93 Octane - MTBE Price on request 73394 4-Chloro-3,5-dinitrobenzotrifluoride Price on request