| 26 | Syngenta Pond Invertebrate Data (2002) |
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| 27 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) : executive summary (OI/420/9/A) |
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| 28 | Syngenta Pond Invertebrate Data (2003) |
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| 29 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
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| 30 | Silloth sediment survey : April, July 1990 |
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| 31 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
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| 32 | River Deben estuary subtidal biological survey, March 1992 |
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| 33 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report |
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| 34 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
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| 35 | Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region |
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| 36 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
|---|
| 37 | River Piddle Spring 2008 |
|---|
| 38 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
|---|
| 39 | Background soil mineral nitrogen contents: OPTI-N, East Yorkshire, 2005 |
|---|
| 40 | Marine phytoplankton : standard methodologies: final draft : biology laboratory procedures manual. Section C : test methods and procedures |
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| 41 | Pesticide residues in fish taken from the Newlyn River (1992) |
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| 42 | Zinc in estuaries (Note 390) |
|---|
| 43 | Background soil mineral nitrogen: AC0213, Devon, 2011 |
|---|
| 44 | Background soil mineral nitrogen contents: AC0213, Nottinghamshire, 2011-12 |
|---|
| 45 | Report on the national marine analytical quality control scheme 1992/93 (MPMMG 93/12) : presented to the October 1993 meeting of the Marine Pollution Monitoring Management Group |
|---|
| 46 | Daily topsoil mineral nitrogen: AC0116, Devon, 2012, urine |
|---|
| 47 | Audit report on the 1995 GQA biological survey |
|---|
| 48 | Assessing and controlling the ecotoxicity of complex effluents |
|---|
| 49 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
|---|
| 50 | Background soil mineral nitrogen: AC0213, Cambridgeshire, 2012 |
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