EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82469 SPCC Class III - Method 8261 Price on request 11806.12-50-NN 1,3,7-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request PFC-MXA Native PFCA Solution/Mixture, 2µg/ml in MeOH, 1,2ml Price on request