PPG 1: Understanding your environmental responsibilities – good environmental practices
A basic introduction to pollution prevention, with signposts to other PPGs and publications. (July 2013)

NEW GPP 2: Above ground oil storage tanks
For above ground oil storage, excluding oil refineries and distribution depots. (January 2018)

PPG 3: Use and design of oil separators in surface water drainage systems
For identifying where an oil separator is required and, if so, what size and type of separator is appropriate. (April 2006)

NEW GPP 4: Treatment and disposal of wastewater where there is no connection to the public foul sewer
For selecting the correct sewage disposal, treatment and disposal options, and maintenance and legal requirements. Also, for what to have in mind, in terms of wastewater treatment, when buying a house. (November 2017)

NEW GPP 5: Works and maintenance in or near water
For construction or maintenance works near, in, or over water. (January 2017)

PPG 6: Working at construction and demolition sites
For the construction and demolition industry. (2012)

PPG 7: Safe storage – The safe operation of refuelling facilities
For operators of liquid fuel refuelling facilities; it applies to all types of fixed refuelling facilities. (July 2011)
In Scotland, see also SEPA: ‘Underground storage tanks for liquid hydrocarbons: code of practice for the owners and operators of underground storage tanks (and pipelines)’

NEW GPP 8: Safe storage and disposal of used oils
For storing and disposing of used oils. Applies to activities ranging from a single engine oil change to those of large industrial users. (July 2017)

PPG 9: Prevention of Pollution by Pesticides (February 2000) withdrawn. Consult instead:
– in Northern Ireland, the NIEA Code of Practice for using Plant Protection Products
– in Scotland, the Code of Practice for Using Plant Protection Products in Scotland

PPG 10: Highway depots (this guidance was withdrawn)
For highway maintenance depot activities including road de-icing, fuel storage, site drainage and waste management. (March 1999)

PPG 12 (Sheep dipping) has been withdrawn. For guidance on preventing pollution from sheep dipping, consult:
– in Northern Ireland, Section 7 (Sheep dip) of the DAERA: Code of Good Agricultural Practice for the Prevention of Pollution of Water
– in Scotland, the SEPA Sheep Dipping Code of Practice for Scottish Farmers, Crofters and Contractors

NEW  GPP 13 Vehicle washing and cleaning (April 2017)
For washing and cleaning any vehicle using automatic wash systems, high pressure or steam cleaners and washing by hand.

PPG 14: Marinas and crafts (this guidance was withdrawn)
For using waterways, estuaries and coastal waters, particularly users/owners of powered boats and boating facilities. (March 2004) For guidance on reducing pollution and the environmental impacts from marinas and craft: The Green Blue Toolkit

PPG 17: Dairies and other milk handling operations (this guidance was withdrawn)
For designing and operating dairies and other milk and milk product handling operations. (March 2001),
For guidance on preventing pollution from dairies and other milk handling operations, please see our guidance on waste management and what causes water pollution.

PPG 18: Managing fire water and major spillages
For identifying equipment and techniques available to prevent damage to the water environment caused by fires and major spillages. (June 2000)

NEW GPP 19: Vehicles: Service and Repair 
For work in garages and vehicle service centres. (June 2017)

NEW GPP 20: Dewatering underground ducts and chambers
For dewatering underground ducts and inspection chambers. (January 2018)

NEW GPP 21: Pollution incident response planning
For producing emergency pollution incident response plans to deal with accidents, spillages and fires. (July 2017)

NEW GPP 22: Dealing with spills
For anyone who is responsible for storing and transporting materials that could cause pollution if they spill. (October 2018)

PPG 23 Maintenance of structures replaced by GPP 5, Works and maintenance in or near water.

NEW GPP 24: Stables, kennels, catteries 
For managing and operating stables, kennels and catteries. January 2017

PPG 25 Hospitals and health care establishments (this guidance was withdrawn)
For managing and maintaining hospitals and healthcare establishments. (June 2002)

PPG 26 Safe storage – drums and intermediate bulk containers
For site operators of industrial and commercial premises storing and handling drums and intermediate bulk containers (IBCs) containing oil, chemicals or potentially polluting substances. (March 2011)

PPG 27 Installation, decommissioning and removal of underground storage tanks
For installing, removing and decommissioning all underground storage tanks (USTs), including those containing petroleum, diesel, fuel oil, aviation fuel, waste oil, domestic heating oil and other potentially polluting materials such as organic solvents. (April 2002)

PPG 28 Controlled burn
For using controlled burns as part of a fire fighting strategy to prevent or reduce damage to the environment. (July 2007)