Include the following elements in order:
o title page,
o a graphical abstract
o abstract (up to 300 words),
o keywords (4 to 6),
o highlights (3 to 5 bullet points; max 85 characters each)
o introduction (context),
o chemical structure and properties of the selected contaminant,
o background (briefly introduce case study(ies) here) and theory,
o toxicity, and health and environmental impacts, (reference values, acute and chronic
exposure pathways and risks, sensitive receptors)
o applicable environmental regulations (provincial, federal, international),
o case studies (examples of contamination; evaluation of risks)
o recommendations and future research directions,
o references (at least 10 peer-reviewed scientific articles),
o appendices (as appropriate),
o tables with notes, and figures with captions (tables and figures should be listed within
the text and situated immediately below their first mention in the text).

Be between 4500 and 6000 words, all text and abstract included, but excluding references