Method 504.1LFB Mix Back Catalog number: 94019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70072 Chloroethane Price on request EPA-1240 1,3,5-Trichlorobenzene 1000µg/mL in Hexane, 1ml Price on request 59135 Anion Mix Price on request