Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams; December 2017 — 04-Env-B4 / Site Assessment and Remediation. 3 hours duration; open-book exam (Casio or Sharp approved calculator only). The paper is split into Section A (five questions, candidates asked to answer four) and Section B (two questions, candidates asked to answer one), each question worth 20 marks. All seven required questions plus the second Section B option are solved below for completeness — eight questions in total.
Reference texts. Suthersan & Payne, Remediation Engineering: Design Concepts (CRC Press); Freeze & Cherry, Groundwater; Schwarzenbach, Gschwend & Imboden, Environmental Organic Chemistry; Davis & Cornwell, Introduction to Environmental Engineering (6th ed.); American Petroleum Institute (API) publications on fuel-release site assessment and UST modelling; ASTM E1527 Standard Practice for Phase I Environmental Site Assessments and ASTM E1903 Standard Practice for Phase II ESA; Ontario Reg. 153/04 under the Environmental Protection Act (Record of Site Condition regime) and O.Reg. 406/19 (excess soil management); Transportation of Dangerous Goods Act/Regulations (Canada); CCME Canadian Environmental Quality Guidelines.