SEARCH Articles Figures Tables Absorption cross section, chemical American Chemical Society, Chicago Section Chemical Inventory Section Chemical Manufacture Section Chemical Research Section Chemical Service Section Chemical Service Section, National Army Chemical bonds ionization cross section Chemical industry information reporting, Sections Chemical officers base sections Chemical reactions cross-section Chemical staining, thin sections EPCRA hazardous chemical storage reporting (Sections Port chemical warfare sections SECTION 1 Describing Chemical Reactions SECTION 2 Balancing Chemical Equations SECTION 5 Classifying Chemical Reactions Section 313 Toxic Chemical Release Section of Chemical Engineering The rate and cross-section of chemical reactions Toxic Chemical Release Inventory (EPCRA Section