Exams / HS&E Operatives / Pollution and spillages / Question 7
HS&E Operatives practice question: Pollution and spillages (7 of 7) A. Working environment A free question from our original HS&E Operatives practice exam. Try it, then open the answer to see why each option is right or wrong.
Last verified October 2026 against HSE guidance and the law ·How we write our questions
Drains on site are often marked so you know where they go.
Match each drain marking to where the drain leads.
Match each item to one answer. An answer can be used more than once, and some may not be used.
Items A blue-marked drain cover A red-marked drain cover A drain with a yellow fish symbol Answers A A. A surface water drain that goes to a river or streamB B. A foul sewer that goes to a sewage worksC C. A soakaway that is safe for any liquidShow the answer and explanation Correct matches
A blue-marked drain cover: A. A surface water drain that goes to a river or stream A red-marked drain cover: B. A foul sewer that goes to a sewage works A drain with a yellow fish symbol: A. A surface water drain that goes to a river or stream About each answer A. Blue markings, or a yellow fish symbol, show a surface water drain. Only clean rainwater should go into it.B. Red markings show a connection to the foul sewer, such as from toilets and washbasins.C. No drain is safe for any liquid. None of these markings means that.Explanation Blue or a yellow fish: surface water, which goes to rivers and streams. Red: foul sewer. Keep pollution out of every drain.
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