EPA Method 8240A C Back Catalog number: 22002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3751.6-K-IO 1,2,3,5-Tetrachlorobenzene, 1000µg/mLin Isooctane, 1ml Price on request 679670 D3-Ketoprofen, 10mg Price on request VHG-NCED-SET2 Nitrogen Set for ASTM D6366: N @ 10, 25, 50, 75, 100 ng/μL in Isooctane, set(2) Price on request