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ammonia levels

What old landfills are like inside

Old Closed Landfills and What to Expect if You find One

There are many thousands of closed landfills in the UK. In general all domestic waste landfills filled before the 1950s now exert little or no environmental impact as they contained a low organic content from the start. They did not ever become significantly methanogenic (methane producing), and were: normally shallow (2 to 5 metres deep), […]

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