EPA Method 8040 - Surrogate Standard Mix Back Catalog number: 80413 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682111 delta-9-Tetrahydrocannabinolic acid A, 10.0 µg/ml, Price on request 10630.12-50-NN 2,3,7,8-Tetrabromodibenzofuran,50 µg/mL,n-nonane,1mL Price on request 71591 Furfuryl alcohol Price on request