Management of Dredged Material at Sea Doc. 7-2-Corr.1 HELCOM - - PowerPoint PPT Presentation

20th Meeting HELCOM Monitoring and Assessment Group (HELCOM MONAS 20-2014)

8-10 April 2014, Oslo, Norway

Draft revised HELCOM Guidelines for Management of Dredged Material at Sea

• Doc. 7-2-Corr.1

HELCOM requirements on disposal of dredged material

• Convention on the Protection of the Marine Environment of

the Baltic Sea Area, 1992

– Article 11: Ban of any dumping at sea, except dredge spoil duly permitted by the authorities – Annex V: Exemptions from the general prohibition of dumping of waste

• HELCOM Guidelines for the Disposal of Dredged Material at

sea

– legally-binding obligation – sets procedure for issuing disposal permits – sets frequency and format of national reporting

Current HELCOM List of substances

Primary List (action levels to be established) Secondary List (based on existing priority lists) ALSO MANDATORY if indicated

• Cadmium (Cd)
• Chromium (Cr)
• Copper (Cu)
• Lead (Pb)
• Mercury (Hg)
• Nickel (Ni)
• Zinc (Zn)
• Other chlorobiphenyls
• Organochlorine pesticides
• Organophosphorus pesticides
• TBT, TPhT and their degradation

products

• Other anti-fouling agents
• Petroleum hydrocarbons
• Dioxins/furans
• PCB congeners (28, 52, 101, 118,

138, 153 and 180).

• ΣPAH9
• Arsenic (As)

OSPAR List of substances

Primary List (action levels to be established) Secondary List (based on existing priority lists)

• Cadmium (Cd)
• Chromium (Cr)
• Copper (Cu)
• Lead (Pb)
• Mercury (Hg)
• Nickel (Ni)
• Zinc (Zn)
• Other chlorobiphenyls
• Organochlorine pesticides
• Organophosphorus pesticides
• Other anti-fouling agents
• Petroleum hydrocarbons
• Dioxins/furans
• PCB congeners
• ΣPAH9
• Arsenic
• TBT and its degradation products

Determination is conditional

London Convention Action List

• Constitutes a crucial part of Annex 2 to the 1996 LC Protocol
• Each Contracting Party shall develop a national Action List
• Priority shall be given to toxic, persistent and bio-accumulative

substances from anthropogenic sources e.g., – Cd, Hg, organohalogens, petroleum hydrocarbons and, – whenever relevant, As, Pb, Cu, Zn, Be, Cr, Ni and Va, organosilicon compounds, cyanides, fluorides and pesticides or their by-products

• ther than organohalogens
• May be possible to define national action levels
• Shall specify an upper level and may also specify a lower level.
• Application of the Action List will result in categorisation of waste into

3 groups

Waste Framework Directive: references to dredging activities

• Art. 2 Exclusions from the scope

Sediments relocated inside surface waters shall be excluded from the scope of the WFD under the following conditions:

• 1. Dredging is done for one of the following purposes:

– managing waters and waterways or – preventing floods or – mitigating the effects of floods and droughts or – land reclamation

• 2. It is proved that the sediments are non-hazardous.
• (21) Disposal operations consisting of release to seas and
• ceans including sea bed insertion are also regulated by

international conventions, in particular the London Convention

Dredged material classification (chemical and biological) Categories related to Waste Framework Directive National interpretations Dredged material management (OSPAR/Helsinki Convention) (i) (ii) (iii) + (v) (iv) Sediments where H1 to H15 properties (Waste Framework Directive annex III) need to be checked for classification into hazardous

• r non-hazardous

Hazardous waste Hazardous waste Hazardous waste Hazardous waste Non hazardous waste (a) Non hazardous waste (a) Non hazardous waste (a) Non hazardous waste (a) Confined deposit (at sea) or management techniques to reduce or control impacts Non hazardous sediments, including: Contaminated sediments (> AL2) Exempted (Art. 3.2) (b) Exempted (Art.3.2) (b) or not waste, water legislation (c) Slight contaminated sediments (>AL1 & <AL2) National legislation (Art. 24 & 25) (b) More detailed assessment is needed to determine its suitability for deposit at sea Clean sediments (<AL1) Deposit al sea and beneficial use

Further clarification of the relationship between the existing national interpretations in the application of the Waste Framework Directive to dredged materials and the management framework shared in OSPAR region and described in this document

Overarching principles

• 1. Dredged sediment is a resource

that should be used for beneficial purposes as an alternative to disposal in the ocean, when it environmentally, technically and economically feasible to do so.

• 2. Selection of management options

for dredged material should be guided by "a comparative risk assessment involving both dumping and the alternatives" to dumping.

• 3. Management actions for dredged

material should "ensure, as far as practicable, that environmental disturbance and detriment are minimized and the benefits maximized"

dredged material management Is an overarching term describing a variety of handling methods of dredged materials including, inter alia: dumping (deliberate disposal), re- use, beneficial use, re-location, placement and treatment. deposit Any deposit into the maritime area of dredged materials, independently of whether it is considered as “dumping” or “placement” dumping any deliberate disposal at sea or into the seabed of dredged material; subject to a prior special permit issued by the appropriate national authority in accordance with the provisions of Annex V of the 1992 Helsinki Convention (Article 2 (4ai), 11 (2)) placement placement of matter for a purpose other than the mere disposal thereof, provided that such placement is not contrary to the aims of the present Convention (Article 2 (4bii) of the 1992 Helsinki Convention) confined disposal Deposit in a structure planned and designed to contain dredged material and safely contain any released contaminants, preventing their re-entry into the aquatic environment.

Draft Guidelines for management of dredged material at sea New glossary

Draft Guidelines for management of dredged material at sea New decision-making tree

Draft Guidelines for management of dredged material at sea New Action Lists

Primary List (action levels to be established)

List of metals, metalloids and organic/organo- metallic compounds to be determined

Secondary List (based on existing priority lists) ALSO MANDATORY if indicated

• Cadmium (Cd)
• Chromium (Cr)
• Copper (Cu)
• Lead (Pb)
• Mercury (Hg)
• Nickel (Ni)
• Zinc (Zn)
• Arsenic (As)
• ƩPCB congeners (28, 52, 101, 118, 138,

153 and 180).

• Other chlorobiphenyls
• Organochlorine pesticides
• Organophosphorus pesticides
• Tri-phenyl tin (TPhT) compounds and their

degradation products

• Other anti-fouling agents
• Petroleum hydrocarbons
• Polychlorinated dibenzodioxins

(PCDDs)/polychlorinated dibenzofurans (PCDFs)

• Phthalates (DEHP and optionally -

/DBP/BBP)

• ΣPAH16 and/or ΣPAH9 as a subgroup of

ƩPAH16

• Tri-butyl tin (TBT) compounds and their

degradation products

Draft Guidelines for management of dredged material at sea

PREFACE 1. INTRODUCTION Overview of Dredging Activities 2. SCOPE 3. REQUIREMENTS OF THE 1992 HELSINKI CONVENTION 4. PRELIMINARY CONSIDERATIONS FOR DREDGED MATERIAL MANAGEMENT 5. DREDGED MATERIAL SAMPLING Sampling for the purpose of issuing a depositing permit Frequency of sampling 6. DREDGED MATERIAL CHARACTERISATION Exemptions from detailed characterisation Physical characterisation Chemical characterisation Biological characterisation Action List 7. DREDGED MATERIAL MANAGEMENT OPTIONS Options for material assessed to be uncontaminated Options for material assessed to be contaminated 8. SEA DEPOSIT SITE SELECTION 9. ASSESSMENT OF POTENTIAL EFFECTS Deposit sites Nature of the impact

• 10. PERMIT OR REGULATION BY OTHER MEANS
• 11. MANAGEMENT OF THE DEPOSIT OPERATION
• 12. MONITORING

Feedback

• 13. REPORTING

Background information and supplementary literature to the HELCOM Guidelines for the Management of Dredged Material at Sea Annex I Glossary and Acronyms Annex II [Clarifications regarding the relationship between the existing national interpretations in the application of the Waste Framework Directive to dredged materials and the dredged material management guidelines shared in OSPAR region] Technical Annex I Analytical Requirements for Dredged Material Assessment Technical Annex II Normalisation of Contaminants Concentrations in Sediments Technical Annex III Best Environmental Practice (BEP)

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