EPA Method 8240A Volatile Standard #1 Back Catalog number: 82401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11700.12-100-IO 2,3',4,5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request Y0000583 Valerian dry extract, 400mg Price on request 71806 Acetic acid, 1000µg/ml in Water, 1ml Price on request