Data

Metal concentrations during operation of a Permeable Reactive Barrier containing zero-valent iron.

Australian Antarctic Data Centre
STATHAM, TOM ; MUMFORD, KATHRYN ANNE ; MASON, LACHLAN
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.4225/15/53192062365BD&rft.title=Metal concentrations during operation of a Permeable Reactive Barrier containing zero-valent iron.&rft.identifier=10.4225/15/53192062365BD&rft.publisher=Australian Antarctic Data Centre&rft.description=The data set consists of field solution metal concentrations for a new sequence of material installed within an existing permeable reactive barrier at the Casey Station Main Powerhouse. Three Excel files from ICP analysis are included. 1. The limit of quantification and certified reference material results from 2013/14 2. Field sample results from 2012/13 3. Field sample results from 2013/14 The barrier was originally constructed in the 2005/06 summer for details refer to (Mumford et al., 2013). The reactive gate consists of five modified Australian Antarctic Division cage pallets with external dimensions 1.8 x L 1.1 W x 0.75 H m. During the 2012/13 field season, media in the fifth cage was replaced with a new trial media sequence (Statham draft publication). Refilling occurred on the 16th of January. In this process mixed media sequences were homogenised by a cement mixer in 40 L batches and then placed in the PRB cage. Samples for metal concentration analysis collected six times over each of the 2012/13 and 2013/14 summer seasons. Samples were drawn from the lowest unfrozen depth of each multiport in cage 5. To minimise collection interference the procedure started at the most downstream multiport and continued upgradient. From each port two 30 mL samples were drawn, the first was filtered to 0.45 microns, the second was used to measure pH, Eh and EC readings. All samples were acidified (pH less than 2 using nitric acid) and frozen for storage and transport to Australia. Element concentrations and analysed by inductively couple plasma-optical emission spectroscopy (ICP-OES) using a Varian 720-ES spectrometer at the Australian Antarctic Division. The emission intensity of standards and sample solutions was measured following 1:1 in-line mixing with a solution of 0.75% (w/v) CsCl matrix modifier in 10% (v/v) HNO3 containing 5 mg L-1 yttrium as an internal standard. It was deemed unnecessary to use a matrix modifier for the 2014 analysis.&rft.creator=STATHAM, TOM &rft.creator=MUMFORD, KATHRYN ANNE &rft.creator=MASON, LACHLAN &rft.date=2014&rft.coverage=northlimit=-66.0; southlimit=-66.0; westlimit=110.0; eastLimit=110.0; projection=WGS84&rft.coverage=northlimit=-66.0; southlimit=-66.0; westlimit=110.0; eastLimit=110.0; projection=WGS84&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4029_Field_ICP when using these data.&rft_subject=environment&rft_subject=CONTAMINANT LEVELS/SPILLS&rft_subject=EARTH SCIENCE&rft_subject=HUMAN DIMENSIONS&rft_subject=ENVIRONMENTAL IMPACTS&rft_subject=BUILDINGS&rft_subject=INFRASTRUCTURE&rft_subject=Permeable Reactive Barrier&rft_subject=PRB&rft_subject=Casey&rft_subject=Contaminants&rft_subject=FIELD INVESTIGATION&rft_subject=FIELD SURVEYS&rft_subject=LABORATORY&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data
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This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4029_Field_ICP when using these data.

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Brief description

The data set consists of field solution metal concentrations for a new sequence of material installed within an existing permeable reactive barrier at the Casey Station Main Powerhouse. Three Excel files from ICP analysis are included. 1. The limit of quantification and certified reference material results from 2013/14 2. Field sample results from 2012/13 3. Field sample results from 2013/14 The barrier was originally constructed in the 2005/06 summer for details refer to (Mumford et al., 2013). The reactive gate consists of five modified Australian Antarctic Division cage pallets with external dimensions 1.8 x L 1.1 W x 0.75 H m. During the 2012/13 field season, media in the fifth cage was replaced with a new trial media sequence (Statham draft publication). Refilling occurred on the 16th of January. In this process mixed media sequences were homogenised by a cement mixer in 40 L batches and then placed in the PRB cage. Samples for metal concentration analysis collected six times over each of the 2012/13 and 2013/14 summer seasons. Samples were drawn from the lowest unfrozen depth of each multiport in cage 5. To minimise collection interference the procedure started at the most downstream multiport and continued upgradient. From each port two 30 mL samples were drawn, the first was filtered to 0.45 microns, the second was used to measure pH, Eh and EC readings. All samples were acidified (pH less than 2 using nitric acid) and frozen for storage and transport to Australia. Element concentrations and analysed by inductively couple plasma-optical emission spectroscopy (ICP-OES) using a Varian 720-ES spectrometer at the Australian Antarctic Division. The emission intensity of standards and sample solutions was measured following 1:1 in-line mixing with a solution of 0.75% (w/v) CsCl matrix modifier in 10% (v/v) HNO3 containing 5 mg L-1 yttrium as an internal standard. It was deemed unnecessary to use a matrix modifier for the 2014 analysis.

Issued: 2014-03-06

Data time period: 2013-01-21 to 2013-02-06

Data time period: 2013-12-17 to 2014-01-21

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110,-66

110,-66

text: northlimit=-66.0; southlimit=-66.0; westlimit=110.0; eastLimit=110.0; projection=WGS84

Subjects
BUILDINGS | CONTAMINANT LEVELS/SPILLS | CONTINENT > ANTARCTICA | Casey | Contaminants | EARTH SCIENCE | ENVIRONMENTAL IMPACTS | FIELD INVESTIGATION | FIELD SURVEYS | GEOGRAPHIC REGION > POLAR | HUMAN DIMENSIONS | INFRASTRUCTURE | LABORATORY | PRB | Permeable Reactive Barrier | environment |

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536

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