See 49CFR 173.116(a) for assignment of Hazard Zones A, B, C or D. LC50 values for values for mixtures may be determined using the formula in 49CFR 173.133(b)(1)(i) ERG GUIDE NUMBER: 123 Listing of Division 2.3 MaterialsHazardous Materials Load & Segregation Chart49CFR 177.848 Wt 1.11...