tools for more effective management of accidental surface ...€¦ · accidental surface water...
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Premysl Soldan
Tools for More Effective Management of Accidental
Surface Water Pollution Cases
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International Commision for the Protection of the Odra River Against Pollution
Tools for More Effective Management of Accidental Surface Water Pollution Cases
Working Group 3 (CZ – PL – D) ACCIDENTAL POLLUTION
The Odra River Emergency Plan The Odra River International Warning and Alarm Plan
The Odra River Emergency Plangives some very generalinformation about the objectsand areas requiring specialprotection and about possiblesources of accidental pollution inthe international Odra riverbasin. System of accidentdocumentation and assessmentand suggested procedures incase of accident are descibedvery generally, too.
The Odra River InternationalWarning and Alarm Plan mainlydescribes a system fortransmitting information in theevent of cross-border accidents.
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Projects financed by the TechnologicalAgency of the Czech Republic
VÝVOJ NÁSTROJŮ VČASNÉHO VAROVÁNÍ A REAKCE V OBLASTI OCHRANY POVRCHOVÝCH VOD
Tools for More Effective Management of Accidental Surface Water Pollution Cases
Expertní informační systém (software)
DEVELOPMENT OF TOOLS OF EARLY WARNINNG AND REACTION IN THE FIELD OF SURFACE WATER PROTECTION
Expert Information System (software)
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NAVAROTools for More Effective Management of Accidental Surface Water Pollution Cases
The main topics described:•recommended structure of an earlywarning system•use of continuous monitoring fordetection of pollution accidents•criteria and process for declaring theaccident•recommended equipment of mobileanalysis units•recommended analyses in situ•recommended field protocols
Development of certified methoddescribing tools of fast detection ofdangerous surface water pollutionaccident and its sources includingaccidents, terrorist or criminal actions
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Current routine continuous monitoring in the Odra River basin
Tools for More Effective Management of Accidental Surface Water Pollution Cases
• pH - possible accidental spills of substances of extreme values of pH - but markedchanges in the pH of water of an aquatic environment are also of natural nature (e.g.during summer months due to high photosynthesis activity of masses of autotrophicorganisms – increase of pH value to 9 even more) – it is hard to set alarm limits.
• O2 - possible accidental spills of substances which damage nature (e.g. nitrites,untreated sewage waters, etc. – but significant changes in O2 concentration during theday are again natural in highly eutrophic waters – the setting of alarm limits is difficult.• conductivity - measurement detects changes in the total content of salts in monitoredwater; analysis is more sensitive to smaller (univalent) ions with higher mobility; utmostresponse is for H+ and OH- ions – so for this parameter it can be stated the same as forthe measurement of pH.• temperature - possible spill of hot waters – but in respect of the high-temperaturecapacity of the water body spill impact is detectable only in a short segment of recipientwater.
• UV absorbance - at a wavelength of 254 nm a lot of organic substances showabsorbance, especially those which contain one or more aromatic rings; but thesesubstances have limited solubility in water and in addition, the usual level of absorbanceof surface water is rather high.
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Devices of Continuous Biological Monitoring
Tools for More Effective Management of Accidental Surface Water Pollution Cases
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Daphnia Toximeter
Tools for More Effective Management of Accidental Surface Water Pollution Cases
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Daphnia ToximeterTools for More Effective Management of Accidental Surface Water Pollution Cases
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Monitoring station on the Odra River in BohuminTools for More Effective Management of Accidental Surface Water Pollution Cases
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Tools for More Effective Management of Accidental Surface Water Pollution Cases
Monitoring station on the Olse River in Detmarovice
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Accident - BorsodChem-MCHZPollution Spill of benzenes from
BorsodChem-MCHZ Ostrava on 30.8.2006
Tools for More Effective Management of Accidental Surface Water Pollution Cases
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Fire Accident in Ostrava-HrusovTools for More Effective Management of Accidental Surface Water Pollution Cases
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Zaznamenané havarijní stavyTools for More Effective Management of Accidental Surface Water Pollution Cases
NE 27.4.2008 3,00 – 4,15 h a 9,30 – 10 30 h SO 3.5.2008 10,30 – 10,55 h
NE 11.5.2008 7,20 – 7,55 h PÁ 3.5.2008 4,40 – 5,20 h
ÚT 2.9.2008 18,35 – 19,20 h a 21,00 – 21,40 h ČT 24.9.2008 23,20 – 0,30 h
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Detection of accident causesTools for More Effective Management of Accidental Surface Water Pollution Cases
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Tools for More Effective Management of Accidental Surface Water Pollution Cases
Detection of accident causes
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Detection of accident causesTools for More Effective Management of Accidental Surface Water Pollution Cases
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Our investigation of possible sources of this accident has pointed onBorsodChem-MCHZ, a chemical plant located some 12 km upstream ofthe monitoring station.The part of the company's broad portfolio is aniline production. A spillfrom this production was probably the cause of the detected accident.This conclusion raised from the information found in an undateddocument „Evolution of the BC-MCHZ process for the production ofaniline“ written by Pasek. According to this author, a technology thatuses copper catalyst tablets for nitrobenzene hydrogenation waslaunched in 2006 in this chemical works. Pasek states that the problemwith the disintegration of the catalyst has been observed several times.Our conclusion is also supported by the detected increased values ofchlorides and sulfates. Their source may be nitrobenzene, whichcontains a small amount of sulfur and chloride ions, probably originatingfrom the refined benzene which is used for nitrobenzene production.According to Pasek the deposition of such substances on this catalysthas been reported.
Tools for More Effective Management of Accidental Surface Water Pollution Cases
Detection of accident causes
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Continuous monitoring experiencesThe operation of both continuous biological monitoring devices hasfully demonstrated their suitability for detecting dangerous changes inthe biological quality of water. However, it should be noted thatalthough the use of these devices in an early warning systemimproves detection effectivity and rapidity which finally improve thelevel of protection against accidental, criminal or terrorist pollution offlows, the process of implementation of continuous monitoring to theroutine practice has not been initiated in the Czech Republic yet.
Tools for More Effective Management of Accidental Surface Water Pollution Cases
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Expert information system NAVAROSOThe project focuses on the development of specialized software - a informationexpert system for the integrated rescue system bodies, the CzechEnvironmental Inspectorate, water authorities and river basin administrators.The construction of the NAVAROSO expert system respects the principleswhich were specified in the Methodology for the Declaration of EmergencySituations on Streams (mentioned above), which was certified by the Ministry ofthe Environment of the Czech Republic.
Tools for More Effective Management of Accidental Surface Water Pollution Cases
The system provides the cross-linked data necessary for quick information onthe possible causes of deterioration in the biological quality of water, aboutprocedures for determination of the type of pollution and estimating of its spreadin the stream. The database system is supplemented by a module for estimationof the pollution behavior in the recipient. This newly developed expert systemwhich will be available in the field on all types of Internet-connected devicesenables:• streamline the process of finding a source of water contamination quickly anddemonstrably (this function is very important for preventing possible pollution)• to speed up and refine the estimation of the level of contamination, thusenabling prediction of further development of the accident• early warning of downstream sites and water consumers• timely fulfillment of the Czech Republic's international reporting obligations• provide more accurate information for the timely planning of an effectivemitigation action
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Basic data sources for expert systemTools for More Effective Management of Accidental Surface Water Pollution Cases
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Printscreen of example of cross-searchTools for More Effective Management of Accidental Surface Water Pollution Cases
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Spreading of accidental pollution by flowTools for More Effective Management of Accidental Surface Water Pollution Cases
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Printscreen of reverse analysis of contaminationcourse
Tools for More Effective Management of Accidental Surface Water Pollution Cases
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Tools for More Effective Management of Accidental Surface Water Pollution Cases
Key for detection of fish poisoning
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ConclusionsWe are convinced that the findings and
outcomes of both presented projects can significantly improve and streamline the
early warning system to manage emergencies of water quality changes
caused by accidental pollution, terrorist or criminal activities.
Tools for More Effective Management of Accidental Surface Water Pollution Cases
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AcknowledgementPresented findings and results wereobtained within the projects NAVARO -Development of Early Warning andResponse Tools in the Area of Surface WaterProtection (project number TA01020714) andNAVAROSO Expert System (project numberTH02030142), financed by the TechnologyAgency of the Czech Republic.
Tools for More Effective Management of Accidental Surface Water Pollution Cases