EPA Method 8240A C Back Catalog number: 22002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674782 D3-Bifenox, 10mg Price on request 33571 Dichlorodifluoromethane, 20mg/mL in MeOH, 1ml Price on request 31153 Dalapon methyl ester Price on request