| BS 1438:1971 | Specification for media for biological percolating filters |
| BS 1438:2004 | Aggregates. Single-sized aggregates for use as a medium in biological percolating filters |
| BS 497:Part 1:1976 | Specification for manhole covers, road gully gratings and frames for drainage purposes. Cast iron and cast steel |
| BS 6068-6.10:1993* ISO 5667-10:1992 | Water quality. Sampling. Guidance on sampling of waste waters |
| BS 6068-6.15:1999* ISO 5667-15:1999 | Water quality. Sampling. Guidance on preservation and handling of sludge and sediment samples |
| BS 6100-2.7:1992 | Glossary of building and civil engineering terms. Civil engineering. Public health. Environmental engineering |
| BS 6297:1983 | Code of practice for design and installation of small sewage treatment works and cesspools |
| BS 6297:2007+A1:2008 | Code of practice for the design and installation of drainage fields for use in wastewater treatment |
| BS 7781:1994 | Procedure for type testing of small biological domestic wastewater treatment plants |
| BS 8005-4:1987 | Sewerage. Guide to design and construction of outfalls |
| BS 8005:Part 0:1987 | Sewerage. Introduction and guide to data sources and documentation |
| BS EN 1085:1997 | Wastewater treatment. Vocabulary |
| BS EN 1085:2007 | Wastewater treatment. Vocabulary |
| BS EN 12050-1:2001 | Wastewater lifting plants for buildings and sites. Principles of construction and testing. Lifting plants for wastewater containing faecal matter |
| BS EN 12050-2:2001 | Wastewater lifting plants for buildings and sites. Principles of construction and testing. Lifting plants for faecal-free wastewater |
| BS EN 12050-3:2001 | Wastewater lifting plants for buildings and sites. Principles of construction and testing. Lifting plants for wastewater containing faecal matter for limited applications |
| BS EN 12050-4:2001 | Wastewater lifting plants for buildings and sites. Principles of construction and testing. Non-return valves for faecal-free wastewater and wastewater containing faecal matter |
| BS EN 12255-10:2001 | Wastewater treatment plants. Saftey principles |
| BS EN 12255-11:2001 | Wastewater treatment plants. General data required |
| BS EN 12255-12:2003 | Wastewater treatment plants. Control and automation |
| BS EN 12255-13:2002 | Wastewater treatment plants. Chemical treatment. Treatment of wastewater by precipitation/flocculation |
| BS EN 12255-14:2003 | Wastewater treatment plants. Disinfection |
| BS EN 12255-15:2003 | Wastewater treatment plants. Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants |
| BS EN 12255-16:2005 | Wastewater treatment plants. Physical (mechanical) filtration |
| BS EN 12255-1:2002 | Wastewater treatment plants. General construction principles |
| BS EN 12255-3:2000 | Wastewater treatment plants. Preliminary treatment |
| BS EN 12255-4:2002 | Wastewater treatment plants. Primary settlement |
| BS EN 12255-5:1999 | Wastewater treatment plants. Lagooning processes |
| BS EN 12255-6:2002 | Wastewater treatment plants. Activated sludge processes |
| BS EN 12255-7:2002 | Wastewater treatment plants. Biological fixed-film reactors |
| BS EN 12255-8:2001 | Wastewater treatment plants. Sludge treatment and storage |
| BS EN 12255-9:2002 | Wastewater treatment plants. Odour control and ventilation |
| BS EN 12566-1:2000 | Small wastewater treatment systems for up to 50 PT. Prefabricated septic tanks |
| BS EN 12566-3:2005+A1:2009 | Small wastewater treatment systems for up to 50 PT. Packaged and/or site assembled domestic wastewater treatment plants |
| BS EN 12566-4:2007 | Small wastewater treatment systems for up to 50 PT. Septic tanks assembled in situ from prefabricated kits |
| BS EN 1483:2007 | Water quality. Determination of mercury. Method using atomic absorption spectrometry |
| BS EN 14987:2006 | Plastics. Evaluation of disposability in waste water treatment plants. Test scheme for final acceptance and specifications |
| BS EN 872:2005* BS 6068-2.54:2005 | Water quality. Determination of suspended solids. Method by filtration through glass fibre filters |
| BS EN ISO 5667-13:1998* BS 6068-6.13:1998 | Water quality. Sampling. Guidance on sampling of sludges from sewage and water treatment works |
| BS EN ISO 8192:1995* BS 6068-5.7:1987* ISO 8192:1986 | Water quality. Test for the inhibition of oxygen consumption by activated sludge |
| BS EN ISO 8192:2007 | Water quality. Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation |
| BS EN ISO 9509:1995* BS 6068-5.9:1990* ISO 9509:1989 | Water quality. Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water |
| BS ISO 10348:1993 | Photography. Processing wastes. Determination of silver content |
| BS ISO 24510:2007 | Activities relating to drinking water and wastewater services. Guidelines for the assessment and for the improvement of the service to users |
| BS ISO 24511:2007 | Activities relating to drinking water and wastewater services. Guidelines for the management of wastewater utilities and for the assessment of wastewater services |
| BS ISO 6850:1994 | Photography. Processing wastes. Determination of nitrate by a spectrometric method using brucine |
| BS ISO 7766-1:1993 | Photography. Processing wastes. Analysis of cyanides. Determination of hexacyanoferrate(II) and hexacyanoferrate(III) by spectrometry |
| CWA 15897:2008 | Submerged membrane bioreactor (MBR) technology |
| PD CEN/TR 15584:2007 | Characterisation of sludges. Guide to risk assessment especially in relation to use and disposal of sludges |
| PD CR 13714:2001 | Characterization of sludges. Sludge management in relation to use or disposal |
