Highway filter drain waste arisings: a challenge for urban source control management?

摘要: Essential maintenance activities on highway BMP drainage controls involve refurbishment of filter (French) drains which can generate substantial amounts "controlled waste". An innovative procedure for their re-instatement is described offers a more sustainable option drain/trench management. The quality classification these waste arisings problematical and it difficult to reliably identify the risks posed by such materials most effective forms management disposal options.