Bailer Sampling Articles & Analysis
13 articles found
Low-flow sampling 2. Low-flow with parameter stabilisation then sampling 3. Bailer sampling Method was to do no purging with bailing but only with low-flow parameter stabilisation in the second part. Note: When using the bailer the borehole has already been low-flow purged. There were more dissolved and ...
This paper describes the application of a novel sampling bailer designed for the collection of wastewater samples that minimises methane losses. Samples collected during and following anaerobic treatment from a wastewater treatment plant using a novel sampling bailer were analysed using a ...
It was found that the reproducibility and accuracy of the method increased significantly when samples were collected using an in-house constructed bailer sampling device and with the addition of 100 μL hydrochloric acid (HCl) and 25% sodium chloride (NaCl) and sonication for 30 min prior to analysis. Analysis of wastewater ...
If site technicians detect leaked product with an interface meter they can measure its depth and thickness, grab a sample with a bailer and extract product with a skimmer and bladder pump or product and water with a total fluids pump. ...
This procedure minimizes down time because water levels in the purged wells recover while each remaining well is purged. Sample Wells in Sequence After the wells are purged, and after water levels recover to more than 90 percent of their measured depth, the wells are sampled with a bailer in the order they were purged. In each well, after the ...
This was done to assure that the fluid collected came from the formation and did not contain stagnant water from the non-perforated portion of the well. Using traditional sampling devices such as bailers or various pumping systems made this a time consuming (usually 1 to 2 hours per well) and costly process. ...
WaTerra Both the Solinst and Norwell bailers have check valves at the top and bottom to facilitate collecting a sample from a discrete depth. Water is transferred from the bailers into a separate sample container by opening a valve at the bottom of the bailer and directing a stream of water into a ...
Selected ground water sampling and field-filtration methods were evaluated to determine their effects on field parameters and trace metal concentrations in samples collected under several types of field conditions. The study focused on conditions where traditional approaches may produce turbid samples, which often leads to filtration of ...
Total lead concentrations were highest in turbid groundwater samples from gasoline-contaminated and uncontaminated wells, whereas lower turbidity groundwater samples (collected using low-flow methods) had lower total lead concentrations. ...
These studies are the second part of a two year project that examines decontaminating groundwater sampling devices. In the first year, the efficiency of various decontamination protocols was tested using small test pieces of materials that are commonly used in groundwater sampling devices. ...
Currently the most common ground-water purging and sampling methodology is to purge a well using bailers or high speed pumps to remove 3 to 5 casing volumes followed by sample collection. ...
There are two problems with the procedure used by Barcelona et al. First, rarely is sample water in contact with the sampling device, including bailers, for any time near these durations. ...
WaTerra Both the Solinst and Norwell bailers have check valves at the top and bottom to facilitate collecting a sample from a discrete depth. Water is transferred from the bailers into a separate sample container by opening a valve at the bottom of the bailer and directing a stream of water into a ...