Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams; December 2014 — 04-Env-B4 / Site Assessment and Remediation. 3 hours duration; open-book exam (any non-communicating calculator permitted). The paper is split into Section A (five questions, candidates asked to answer three) and Section B (three questions, candidates asked to answer two), each question worth 20 marks. All eight questions are solved below for completeness.
Reference texts. Suthersan & Payne, Remediation Engineering: Design Concepts (CRC Press); Mercer & Cohen (1990), “A review of immiscible fluids in the subsurface,” Journal of Contaminant Hydrology; Karickhoff (1981), “Semi-empirical estimation of sorption of hydrophobic pollutants on natural sediments and soils,” Chemosphere 10(8); Schwarzenbach, Gschwend & Imboden, Environmental Organic Chemistry; Freeze & Cherry, Groundwater; Davis & Cornwell, Introduction to Environmental Engineering (6th ed.); ASTM E1527 Standard Practice for Phase I Environmental Site Assessments and ASTM E1903 Standard Practice for Phase II ESA; ATSDR Toxicological Profiles for Tetrachloroethylene and Mercury; Ontario Reg. 153/04 under the Environmental Protection Act (Record of Site Condition regime); BC Environmental Management Act / Contaminated Sites Regulation.
