Outline Introduction Extending the validated boundaries of the BLMs – Progress? Nickel Copper Zinc Future BLM/User-friendly tool boundaries Regulatory.

Slides:

Advertisements

Similar presentations

Britannia Mine: Environmental Impact Study of Treated Effluent Discharge Lee Nikl.

Advertisements

STRATUS CONSULTING The Biotic Ligand Model: Unresolved Scientific Issues and Site- and Species-specific Effects on Predicted Cu Toxicity Jeffrey Morris,

HydroQual Capabilities for Pathways Analysis in Support of Natural Resource Damage Assessment.

European perspective on metals´ bioavailability research and implementation of the Biotic Ligand Model (BLM) into regulatory frameworks Karel De Schamphelaere.

1 EU Risk Assessment on Nickel Joint Meeting Birmingham, 4 th October 2007.

Front page picture Change picture by marking Picture, right click and choose send to front. Click on the icon in the middle of the picture and locate the.

Katrien Delbeke, ECI, Frank Van Assche,IZA- Europe Frank Van Assche,IZA- Europe On behalf of the Eurometaux Water Project Team Accounting for bioavailability.

Environmental risk assessment of chemicals Paul Howe Centre for Ecology & Hydrology, UK.

Metals and alloys in external constructions – changes in speciation and bioavailability of corrosion-induced metal runoff upon environmental entry. Associate.

 Mylor, Saltash and Holes Bay still show high levels of Cu and Zn and are highly polluted sites compared to Tipner, Broadmarsh, Dell Quay and The Conservancy:

ECOLOGICAL STANDARDS OF MARINE ENVIRONMENT QUALITY DEVELOPED BY: Research Organization “Ukrainian Scientific Centre of the Ecology of Sea” (RO UkrSCES)

Effects of copper on marine invertebrate larvae in surface water from San Diego Bay, CA Gunther Rosen 1, Ignacio Rivera-Duarte 1, Lora Kear-Padilla 2,

1 Incorporation of bioavailability Patrick Van Sprang – ARCHE OECD Workshop on Metals Specificities in Environmental Hazard Assessment, Paris, 7-8 september.

Jericho Aquatic Discharge Assessment Presented by: Bruce Ott, Senior Environmental Scientist, AMEC Earth & Environmental.

Surface Water Standards Triennial Review and Implementation Connie Brower Nikki Remington-Julie Grzyb-Sandra Moore NC Division of Water Quality.

Office of Science and Technology Monitoring Implications of Using the Copper Biotic Ligand Model (BLM) and EPA’s Update of Ambient Water Quality Criteria.

Thuli and Mzingwane catchments’ hydrochemistry Implications for risks Thuli and Mzingwane catchments’ hydrochemistry Implications for risks 6/16/2009.

 Rick Rusz, Supervisor of Groundwater Permits Unit, Water Resources Division, and decision maker for the Groundwater Discharge Permit.  Ginny Pennala,

Symbol Review ? ? ? ? ? ? ?.

1 June 23, 2004 Sacramento Thermal Spraying ATCM Second Public Workshop.

Latest Developments - Effectiveness Assessment and Research Priorities Geoff Brosseau California Stormwater Quality Association (CASQA) December 4, 2007.

South Eastern River Basin District - Environmental Quality Standard Development-

Refined determination of metal availability in sediments (Acid Volatile Sulphide measurements) K. Delbeke, on behalf of Metals assoxiations and Euras.

Setting Standards: The Science of Water Quality Criteria EA Engineering, Science, and Technology ® Presented by: James B. Whitaker Review of Annex 1 of.

Initial considerations of trace metal bioavailability: some regulatory experiences E. Unsworth 1, A. Peters 1, J. Comloquoy 2, M. Campbell 2 1 Scottish.

A practical approach to account for the bioavailability of metals Bruce Brown WCA Environment REPRESENTING Eurometaux November 25 th 2010.

1 Workshop on Metal bioavailability under the Water Framework Directive Jorge Rodriquez Romero & Madalina David DG Environment D2 Gerrit Niebeek – NL Graham.

What is the chemical symbol of Hydrogen? H. What is the chemical symbol of Carbon? C.

Connie Brower NC DENR Division of Water Resources.

WQBELs Karen Holligan September 23, WQBELs – A Four-Piece Puzzle Numerical criteria (toxic pollutants) Water body quality Effluent fraction Bioavailable.

Water.europa.eu Preparation of the Commission’s 2011 proposal on Priority Substances Part I – Technical process 13 th Working Group E meeting March.

Front page picture Change picture by marking Picture, right click and choose send to front. Click on the icon in the middle of the picture and locate the.

Metal bioavailability under the Water Framework Directive Implementation in monitoring and assessment frameworks Implementation of Bioavailability 1.

ACTIVITIES UPDATE Tony Frost Wide range of topics on EWTA website.

Patricia Gillis Copper Sensitivity in Glochidia: Assessing the Effect of Water Composition on the Sensitive Larvae of Freshwater Mussels.

Activity on bioavailability- based approaches for metals in US and Canada Chris Schlekat (Ni) Eric Van Genderen (Zn) Bob Dwyer (Cu) Bill Stubblefield (OSU)

A Comparison of Two Creeks Kerry Caslow EAS 4480 Spring 2010 Level Creek, USGSRichland Creek, USGS.

Adam Peters and Graham Merrington, wca Chris Schlekat, NiPERA

Implementing risk assessment tools

Ambient Water Toxicity Surveys

Development of Compliance Tools for Metals

UK Link Technology Refresh

REFCOND EU Water Framework Directive project funded by the European Commission DG Environment Included in the EU Water Directors “Common Strategy on.

Photo 11/12/2018.

Chemistry of glaze.

Agenda Item 8(b): Progress with data collection template

Technical guidance to implement bioavailability-based environmental quality standards for metals Graham Merrington October WG Chemicals 2014.

Land Quality Groundwater Monitoring at Sellafield Presented by

Report of Proceedings Surface Water Quality Standards Triennial Review Environmental Management Commission November 13, 2014 Steve Tedder – EMC Hearing.

Graham Merrington, Chris Schlekat, Olivier Perceval, Adam Peters

Stefano Polesello CNR-IRSA, Italy

Successfully implementing EQSbiota?

Spencer Bohaboy Policy Development Specialist Water Quality Policy

Claire Vincent Environment and Heritage Service United Kingdom

Developing guidance with Member State-regulators to implement bioavailability-based environmentally quality standards for metals. Graham Merrington WG.

Bioavailability and Metals Standards- Workshop

Nickel Risk Assessment

Bathing Water Quality Reporting “Bathing Water” tool

Introduction- Link with WG E activity CMEP PLENARY MEETING-PRAGUE

Annual Implementing bioavailability meeting

Role of Higher Tier Data in the Derivation of the Ni EQS

BLM project in the Nordic countries

BLModel boundaries BIOmet tool is a read across tool based on the ‘full BLM’, used for EQS compliance assessment. Number of EU waters fell outside of the.

Environmental objective document –

Water Framework Directive 2000/60/EC

Summing up and next steps

Workshop on metals bioavailability under the Water Framework Directive

WG E on Priority Substances

Incorporating metal bioavailability into permitting – UK experience

Increase in Ease of Oxidation

Presentation transcript:

Biotic Ligand Models (BLMs) for metals – Current validation boundaries and ongoing initiatives

Outline Introduction Extending the validated boundaries of the BLMs – Progress? Nickel Copper Zinc Future BLM/User-friendly tool boundaries Regulatory fit? What else is needed?

Nickel Toxicity measured at pH values up to 8.7 (Lymnaea stagnalis, Brachyionus calcyciflorus, Daphnia magna, Pseudokirchneriella subcapitata, Lemna minor). New pH relationships now incorporated into model Algae and cladoceran models validated at Ca concentrations down to 2 mg Ca L-1. Work completed

Copper From study reviews, raised Ca to 160 mg L-1 can be used as upper Ca-boundary. Assessment is on-going of the Ca/Mg effect for invertebrates. Additional research will be initiated, if needed, following the finalisation of the literature review.

Zinc Extension of the boundaries of the current BLM from pH 8.0 to 8.5, and of hardness down to 3 mg Ca l-1. Tests at very low hardness have already been carried out. Algae testing to be performed between 3 and 5 mg Ca l-1 and validated with natural waters.

Extended BLM boundaries Metal pH Calcium, mg L-1 DOC, mg L-1 Cu 6-8.5 3.1- 160 30 Ni 6.5-8.7 2.0-88* Zn 6.0-8.5 3.0-160* *These upper limits reflect only where the protective effect of Ca ceases, so above this value the EQS is not going to be underprotective.

Version 2.0 update. Extended Ni validated boundaries Ambient Background Concentration (ABC) calculations for Zn

Online version of 2.0 (in beta testing) www.bio-met.net Version 2.0 update. Extended Ni validated boundaries Ambient Background Concentration (ABC) calculations for Zn Subsequent updates: Extended Cu boundaries by December 2013 Extended Zn boundaries, 1st phase validation with natural waters (low hardness, high pH) July 2013 Online version of 2.0 (in beta testing) www.bio-met.net

Regulatory fit? Compliance assessments need to be performed using the.......................right EQS! Risk assessments are of limited help if the EQSbioavailable isn’t used appropriately Tiered approach Bioavailability can assist in site prioritisation and programmes of measures Challenges of permitting discharges using an EQSbioavailable - current on-going UK project.

What else is needed? Guidance note on the bioavailability approach Appropriate action when outside the validation ranges? Demonstrations from Member States who are working with the approach (France, The Netherlands, UK....)? Feasibility assessments, like the Fraunhofer Report.......