19.2.5 Groundwater Samples
Gigant (Eijkelkamp, The Netherlands) submersible sampling pump placed close to
the bottom of the monitoring well was used in order to take samples for phospholipid
fatty acid analysis (PLFA) and chemical parameters analysis as well as for determination of physicochemical parameters. Approximately three borehole volumes of
groundwater were pumped out from the well in accordance with standard procedure
prior to sampling (ISO 2009). The physicochemical parameters were recorded using
a Multimeter WTW-3430 (WTW, Germany) during sampling and the final stable
values were recorded.
19.2.6 In Situ Microcosms for Measurement
of the Microbiological Populations in Soil
Perforated 50 mL centrifuge plastic tubes filled with the 0.125 mm to 4 mm fraction
of the soil collected during the direct push investigation of the locality and wrapped
in polyethylene protective mesh were used as the microcosms. The tubes were
installed in the lower part of the monitoring wells and collected when needed for
monitoring and sent to the laboratory for PLFA in order to monitor development of
microbial populations.
Fig. 19.2 General field
study layout
19 Field Study VII: Field Study of Three Different Injectable. . .
415
Gigant (Eijkelkamp, The Netherlands) submersible sampling pump placed close to
the bottom of the monitoring well was used in order to take samples for phospholipid
fatty acid analysis (PLFA) and chemical parameters analysis as well as for determination of physicochemical parameters. Approximately three borehole volumes of
groundwater were pumped out from the well in accordance with standard procedure
prior to sampling (ISO 2009). The physicochemical parameters were recorded using
a Multimeter WTW-3430 (WTW, Germany) during sampling and the final stable
values were recorded.
19.2.6 In Situ Microcosms for Measurement
of the Microbiological Populations in Soil
Perforated 50 mL centrifuge plastic tubes filled with the 0.125 mm to 4 mm fraction
of the soil collected during the direct push investigation of the locality and wrapped
in polyethylene protective mesh were used as the microcosms. The tubes were
installed in the lower part of the monitoring wells and collected when needed for
monitoring and sent to the laboratory for PLFA in order to monitor development of
microbial populations.
Fig. 19.2 General field
study layout
19 Field Study VII: Field Study of Three Different Injectable. . .
415