Environmental Law Practice GuideLexis. Mix of substantive and practical guidance on both federal and state environmental law (IL is Ch. 55). Consists of four major units: Unit I: guidance for procedural items (environmental impact statements, land preservation, government financing, environmental management systems, regulatory takings, litigation, environmental justice, civil and criminal enforcement, and practice before the EPA . Unit 2: substantive law of environmental quality: air and water pollution, pollution prevention, indoor air quality, vapor intrusion, environmental trading programs, wetlands, drinking water, noise, oceans and coasts, and wildlife protection. Unit 3: regulated substances and waste management, e.g.: identifying hazardous substances and hazardous wastes, RCRA, CERCLA, TSCA, OSHA, EPCRA. Unit 4: state-by-state (plus D.C. and Puerto Rico) guide to environmental law, including an examination of the federal-state relationship, and state environmental law procedures.