DNAPL i moræneler og kalk - DTU Orbit - Danmarks Tekniske ...
DNAPL i moræneler og kalk - DTU Orbit - Danmarks Tekniske ...
DNAPL i moræneler og kalk - DTU Orbit - Danmarks Tekniske ...
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Indholdsfortegnelse<br />
Forord ............................................................................................................................ 4<br />
1. Sammenfatning ..................................................................................................... 6<br />
2. Indledning <strong>og</strong> formål........................................................................................... 11<br />
2.1 Formål ................................................................................................... 11<br />
3. <strong>DNAPL</strong> screeningsmetoder <strong>og</strong> kvantitative valideringsmetoder ....................... 12<br />
3.1 Hydrofobe farvetest ............................................................................... 12<br />
3.2 Hydrofobe fleksible membraner............................................................ 13<br />
3.3 FACT NAPL FLUTe liner .................................................................... 14<br />
3.4 MIP ........................................................................................................ 16<br />
3.5 PID måling på jordprøver ...................................................................... 17<br />
3.6 Radon .................................................................................................... 17<br />
3.7 Geofysiske metoder ............................................................................... 18<br />
3.8 Kemisk analyse af intakte kerner <strong>og</strong> grundvandsprøver ....................... 18<br />
4. Undersøgelsesstrategi <strong>og</strong> risikohåndtering ......................................................... 24<br />
4.1 Strategi .................................................................................................. 24<br />
4.2 Risikohåndtering ................................................................................... 28<br />
5. Historik ............................................................................................................... 30<br />
5.1 Foreløbig konceptuel model .................................................................. 32<br />
6. Geol<strong>og</strong>i <strong>og</strong> hydr<strong>og</strong>eol<strong>og</strong>i .................................................................................... 35<br />
6.1 Hydr<strong>og</strong>eol<strong>og</strong>isk enhed H1:Fyld ............................................................ 35<br />
6.2 Hydr<strong>og</strong>eol<strong>og</strong>isk enhed H2 <strong>og</strong> H3:Moræneler ....................................... 36<br />
6.3 Hydr<strong>og</strong>eol<strong>og</strong>isk enhed H4: Sand, grus <strong>og</strong> opknust <strong>kalk</strong> ....................... 36<br />
6.4 Hydr<strong>og</strong>eol<strong>og</strong>isk enhed H5: Fraktureret <strong>kalk</strong> med flintelag ................... 37<br />
6.5 Hydr<strong>og</strong>eol<strong>og</strong>isk konceptuel model........................................................ 39<br />
7. Forureningsundersøgelser i <strong>moræneler</strong> ............................................................... 43<br />
7.1 Intakte kerneprøver ............................................................................... 43<br />
7.2 Poreluftskoncentrationer af radon, PCE <strong>og</strong> TCE .................................. 48<br />
7.3 MIP ........................................................................................................ 50<br />
7.4 FACT NAPL FLUTe liner .................................................................... 54<br />
7.5 Konceptuel model for <strong>moræneler</strong> .......................................................... 57<br />
8. Forureningsundersøgelser i <strong>kalk</strong> ......................................................................... 62<br />
8.1 Intakte kerneprøver ............................................................................... 62<br />
8.2 FACT NAPL FLUTe liner .................................................................... 65<br />
8.3 Vandprøver ............................................................................................ 66<br />
8.4 Konceptuel model for <strong>kalk</strong> .................................................................... 70<br />
9. Diskussion <strong>og</strong> anbefalinger ................................................................................. 73<br />
9.1 Sammenstilling af metoder.................................................................... 73<br />
9.2 Udvikling af konceptuelle modeller for Naverland............................... 84<br />
10. Konklusion .......................................................................................................... 86<br />
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