| 676 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 677 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 678 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
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| 679 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
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| 680 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
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| 681 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
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| 682 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
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| 683 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
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| 684 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 685 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 686 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 687 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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| 688 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 689 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 690 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 691 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
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| 692 | Time of travel study on the River Wandle under two different flow conditions |
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| 693 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
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| 694 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
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| 695 | Integrated river corridor assessment : a pilot study of the rivers Wansbeck and North Tyne in Northumbria |
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| 696 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 697 | Scope for growth and levels of contaminants in mussels from the Wash. Phase 2 |
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| 698 | River Stort : draft catchment management plan for flood defence and the environment : May 1991 |
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| 699 | Recorded rainfall data from Rain Gauge 6 in the Wensum Catchment between 2010-2015 |
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| 700 | Recorded rainfall data from Rain Gauge 3 in the Wensum Catchment between 2010-2015 |
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