The Thames Water Utilities Limited (Thames Tideway Tunnel) Order 2014

Spills etc.

12.  The licence holder shall—

(a)store, handle, transport and use fuels, lubricants, chemicals and other substances so as to prevent releases into the marine environment, including bunding of 110% of the total volume of all reservoirs and containers;

(b)report any spill of oil, fuel or chemicals into the marine area to the MMO Marine Pollution Response Team within 24 hours of the spill occurring; and

(c)ensure that all waste is stored in designated areas that are isolated from surface water drains and open water and are bunded.