(Use Part# 82423) EPA Method 8240A Mix #3 Back Catalog number: 82403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11921.9-100-ME (-)-Captopril,100 µg/mL,MeOH,1mL, Price on request 95422 1,2,4-Butanetriol Price on request 98138 FID Test Mix - 20ug/mL Price on request