Title: AstraZeneca Slide for use with OHP
1Environmental Protection of European Marine
Sites
Prepared by Ross Brown
2A chemical industry perspective?
Site operation Consent to
discharge
PPC
H1
Environmental Impact
Environmental baseline
PPG
Site development Planning consent
Planning regs
3 Environmental quality status ecosystem health?
Combined impact vs environmental susceptibility?
and sustainability?
A stakeholder approach
4 SOLUTIONS
Ecosystem approach
- Managing the activities demands that humans
make on - the environment, not managing ecosystems
themselves.
River basin management plan (WFD)
- Characterisation of river basin
- Review of activities impacting on water status
- Sub-basin plans
Biodiversity Action Plan
- Conservation management plans eg. SES, ASERA,
MBMS - HAPs, SAPs
5Monitoring in the Severn estuary
Clients CCW, EN, chemical steel industries
NMMP site 615
6Severn estuary European Marine Site Major
interest features
Category Features SPA Ramsar pSAC
Birds Bewicks swan, Migratory birds, gt20,000 wintering waterfowl ? ? ? ? ?
Fish Allis Twaite shad River Sea lampreys Migratory eels, trout salmon ? ? ?
Estuary Large well mixed estuary Unusual communities Migratory birds and fish ? ? ? ?
Habitats Atlantic saltmeadow Mudflats sandflats Reefs (Sabellaria) Sandbanks ? ? ? ? ? ?
7Conservation value vs. status?
Category Information sources Baseline Reference or target
Birds BRERC, Avon Bird reports WeBS BTO ? ?- ?-
Fish GQA UK BAP English Nature CEMS SEP ? ?- ?- ? ?- ??
Estuary Invertebrates OSPAR QSR AZ surveys, barrage reports NMMP report Local BAP ?? ? ?? X ?- UK ?? Solway X
Habitats MNCR (more surveys in progress) JNCC favourable condition tables Saltmarsh HAP Sabellaria reef HAP ?? ?? ??- ?
8What about primary production?
9Characterisation of SW European Marine Sites
reports
Activities
- Discharges industrial, municipal, diffuse
agricultural?
Pollutants
- Nutrients, BOD, Metals, PAHs, PCBs, pesticides
- EQS, sediment guidelines, trends?
Impacts (targets)
- Migratory fish, demersal fish, inverts birds
- Sediment dwellers, biomagnification?
10Conclusions what is needed?
- A complete local BAP
- Provide guidance on ecological / conservation
status - ie departure from reference or target conditions?
- Consider all activities with a potential to
impact - Involve stakeholders
- Advertise ASERA (400 visitors since Feb 2003)
- Distil exisiting information
- Consider existing EIAs, IPPC and COMAH documents
- Identify acute then chronic toxicity (DTA)
- Combine focus monitoring spatial vs temporal
- Update GQA for estuaries
11Declining Cd concentrations in sediment
12Declining Cd concentrations in biota
Fucus vesiculosus
Carcinus maenas
13Long-term trend in mudflat fauna
14Mudflat fauna relative abundance
50-1500 indivs or 1-30 grams per 0.1 m2
15Low water invertebrate fauna diversity
14
12
Outfall
10
8
Number of taxa
6
4
2
0
Downstream ()
Distance from outfall (m)
Upstream (-)
16Saltmarsh NVC community types
Pioneer SM6-8
Puccinellia SM13
Elymus SM24
17Effluent dispersion Neap LW 4hrs
18Effluent dispersion Neap LW 10hrs
19Effluent dispersion Neap LW 13.5hrs
20Effluent dispersion Neap LW 19.5hrs
21AstraZeneca whole effluent testing Ecotoxicity
expressed as of untreated 2004 effluent
Test organism Parameter Sample 1 Sample 2 Sample 3 Sample 4
Algae Skeletonema 72h EC50 72h NOEC 1.8 3.2 1.0 5.6 10 3.2 3.2 5.6 3.2 1.0 1.8 1.0
Zoo- Plankton Tisbe 48h EC50 48h NOEC 16 10 22 10 24 18 5.7 lt3.2
Fish Turbot 24h LC50 24h NOEC 35 18 29 18 24 10 24 10
22Direct Toxicity Assessment
EA policy elimination of acute toxicity from
receiving waters
EA target EA manage 20 existing toxicity based
consents. Target is to achieve 85 reduction in
no. of complex chemical effluents causing acute
toxicity ie a further 25 discharges will be
targeted
23PPC HI Guidance for DTA Tiered Risk-based
Approach
- Tier 1. Require DTA screening data if direct
discharge estimate of worst-case dilution
dispersion - unless low impact installation or
case made to show inappropriate - Tier 2. Require full DTA characterisation
- 3 trophic levels (algae, invert fish)
dilution and dispersion modelling - Tier 3. Toxicity Tracking Identification