Relevant bibliographies by topics / Illicit discharge detection

Academic literature on the topic 'Illicit discharge detection'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Contents

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Illicit discharge detection.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Illicit discharge detection"

1

Shi, B., S. Catsamas, B. Deletic, M. Wang, P. M. Bach, A. Lintern, A. Deletic, and D. T. McCarthy. "Illicit discharge detection in stormwater drains using an Arduino-based low-cost sensor network." Water Science and Technology 85, no. 5 (February 1, 2022): 1372–83. http://dx.doi.org/10.2166/wst.2022.034.

Full text
Abstract:
Abstract Illicit discharges in urban stormwater drains are a major environmental concern that deteriorate downstream waterway health. Conventional detection methods such as stormwater drain visual inspection and dye testing have fundamental drawbacks and limitations which can prevent easy location and elimination of illegal discharges in a catchment. We deployed 22 novel low-cost level, temperature and conductivity sensors across an urban catchment in Melbourne for a year to monitor the distributed drainage network, thereby detecting likely illicit discharges ranging from a transitory flow with less than 10 minutes to persistent flows lasting longer than 20 hours. We discuss rapid deployment methods, real-time data collection and online processing. The ensemble analysis of all dry weather flow data across all sites indicates that: (i) large uncertainties are associated with discharge frequency, duration, and variation in water quality within industrial and residential land uses; (ii) most dry weather discharges are intermittent and transient flows which are difficult to detect and not simply due to cross-connections with the sewerage network; (iii) detectable diurnal discharge patterns can support mitigation efforts, including policies and regulatory measures (e.g., enforcement or education) to protect receiving waterways; and, (iv) that it is possible to cost effectively isolate sources of dry weather pollution using a distributed sensor network.
APA, Harvard, Vancouver, ISO, and other styles
2

Paciuszkiewicz, Kasjan, Michelle Ryan, Ian A. Wright, and Jason K. Reynolds. "Variations in Illicit Compound Discharged from Treated Wastewater." Water 11, no. 5 (May 23, 2019): 1071. http://dx.doi.org/10.3390/w11051071.

Full text
Abstract:
The detection and monitoring of illicit drug concentrations in environmental waters is of increasing interest. This study aimed to determine if illicit and regulated compounds, their potential pre-cursors, and metabolites varied in amount discharged into the environment from treated wastewater at different facilities. Water samples were taken from discharge points of four different tertiary wastewater treatment plants discharging directly into the Hawkesbury-Nepean River (Australia) on two different occasions and analysed to determine the concentrations of compounds including: ephedrine, pseudoephedrine, amphetamine, 3,4-methylenedioxyamphetamine, 3,4-methylenedioxymethamphetamine, methamphetamine, cocaine, and benzoylecgonine. Here, we show that detectable levels of illicit drug and metabolites are being emitted on a consistent basis after having persisted through the wastewater treatment process. The concentrations of methamphetamine are in excess of previously reported surface water concentrations. The estimated total load of compounds being discharged on a daily basis is greater than similar sized catchment areas. The results presented here are of concern from both an ecological and human health perspective.
APA, Harvard, Vancouver, ISO, and other styles
3

Derrick, Bradford E., and Michael Moore. "An Alternative Approach to Illicit Discharge Detection with Aerial Infrared Thermal Imagery. A Case Study of MS4 Dry Weather Illicit Discharge Screening." Proceedings of the Water Environment Federation 2015, no. 18 (January 1, 2015): 1290–308. http://dx.doi.org/10.2175/193864715819539245.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Tuomari, Dean C., and Susan Thompson. "“SHERLOCKS OF STORMWATER” EFFECTIVE INVESTIGATION TECHNIQUES FOR ILLICIT CONNECTION AND DISCHARGE DETECTION." Proceedings of the Water Environment Federation 2004, no. 16 (January 1, 2004): 1252–59. http://dx.doi.org/10.2175/193864704784147098.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Irvine, Kim, Mary C. Rossi, Stephen Vermette, Jessica Bakert, and Kerry Kleinfelder. "Illicit discharge detection and elimination: Low cost options for source identification and trackdown in stormwater systems." Urban Water Journal 8, no. 6 (November 15, 2011): 379–95. http://dx.doi.org/10.1080/1573062x.2011.630095.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Kessili, Abdelhak, Jes Vollertsen, and Asbjørn Haaning Nielsen. "Automated monitoring system for events detection in sewer network by distribution temperature sensing data measurement." Water Science and Technology 78, no. 7 (October 1, 2018): 1499–508. http://dx.doi.org/10.2166/wst.2018.425.

Full text
Abstract:
Abstract This study is related to distribution temperature sensing (DTS) in sewers for tracing illicit or unintended inflows to foul sewers. A DTS measurement is performed with a fiber optic cable that is installed at the invert of a sewer pipe in combination with a standalone laser/computer instrument. This set-up generates in-sewer temperature measurements with high resolutions in time (every minute) and space (every metre) along the cable over long periods of time (weeks on end). The prolonged monitoring period in combination with the high level of detail in the dataset allows the study of anomalies (i.e., unexpected temperatures and/or temperature variations at certain locations), even if these only occur very infrequently. The objective of this paper is to develop an automated tool to analyze the large data masses and identify anomalies caused by illicit or unintended inflows. In this study, an algorithm for detecting the temperature changes that are caused by both wastewater discharge and inflow of stormwater are developed. A comparison of the results of the automated procedure to the results of a manual assessment of the datasets (Elmehaven, Denmark) shows that the automated procedure performs very well.
APA, Harvard, Vancouver, ISO, and other styles
7

Sousa, Célia, Miguel Santos, and Daniela Cruz. "NOTA TÉCNICA Controlo de afluências indevidas na Águas de Barcelos." Águas e Resíduos, no. 9 (December 2020): 41–45. http://dx.doi.org/10.22181/aer.2020.0904.

Full text
Abstract:
As afluências indevidas às redes de drenagem de águas residuais têm impactes ambientais, económicos e sociais muito relevantes. Com a consciencialização da dimensão deste problema, a Águas de Barcelos elaborou um Plano de Controlo de Afluências Indevidas 2018-2023 que tem como principais objetivos: i) diminuir os custos diretos das afluências indevidas; ii) diminuir os custos indiretos relacionados com horas de bombagem, custos de energia e custos de manutenção associados à entrada de caudais indevidos; iii) diminuir o risco de incumprimento da legislação nacional e o risco de contaminação dos meios recetores por ocorrência de descargas excedentes e; iv) aumentar a fiabilidade e resiliência da infraestrutura ao longo dos anos. A implementação deste plano permitiu em 2018 a deteção de 451 ligações pluviais ilícitas à rede de drenagem de saneamento, 220 ligações ilícitas de saneamento, 169 infiltrações em infraestruturas e um ilícito industrial com uma descarga mensal de cerca de 10 000 m3 de efluente industrial não faturado. The rainfall-derived infiltration and inflow (RDII) on wastewater drainage systems present relevant environmental, economic and social impacts. With the heightened awareness of the problem, the Águas de Barcelos developed a Rainfall-Derived Infiltration and Inflow Control Plan 2018-2023 with main objectives: i) reduce RDII direct costs; ii) reduce indirect costs with pumping hours, energy and maintenance costs, related to RDII input; iii) reduce the risk of non-compliance with legal requirements and the risk of contamination of the receiving environment by the occurrence of overflows and; iv) increase the infrastructure reliability and resilience over the years. The implementation of this plan enabled, in 2018, the detection of 451 illicit stormwater connections to the wastewater drainage system, 220 illicit domestic wastewater connections, 169 inflows and an illicit industrial connection with 10 000 m3 monthly average discharge.
APA, Harvard, Vancouver, ISO, and other styles
8

Henderson, Zach, and Justin deMello. "A Happy Marriage? Leveraging Sewer System Evaluation Surveys and Illicit Discharge Detection and Elimination for Sewer and Drain Collection System Best Management." Proceedings of the Water Environment Federation 2016, no. 10 (January 1, 2016): 2322–33. http://dx.doi.org/10.2175/193864716819707698.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Shi, Baiqian, Stephen Catsamas, Peter Kolotelo, Miao Wang, Anna Lintern, Dusan Jovanovic, Peter M. Bach, Ana Deletic, and David T. McCarthy. "A Low-Cost Water Depth and Electrical Conductivity Sensor for Detecting Inputs into Urban Stormwater Networks." Sensors 21, no. 9 (April 27, 2021): 3056. http://dx.doi.org/10.3390/s21093056.

Full text
Abstract:
High-resolution data collection of the urban stormwater network is crucial for future asset management and illicit discharge detection, but often too expensive as sensors and ongoing frequent maintenance works are not affordable. We developed an integrated water depth, electrical conductivity (EC), and temperature sensor that is inexpensive (USD 25), low power, and easily implemented in urban drainage networks. Our low-cost sensor reliably measures the rate-of-change of water level without any re-calibration by comparing with industry-standard instruments such as HACH and HORIBA’s probes. To overcome the observed drift of level sensors, we developed an automated re-calibration approach, which significantly improved its accuracy. For applications like monitoring stormwater drains, such an approach will make higher-resolution sensing feasible from the budget control considerations, since the regular sensor re-calibration will no longer be required. For other applications like monitoring wetlands or wastewater networks, a manual re-calibration every two weeks is required to limit the sensor’s inaccuracies to ±10 mm. Apart from only being used as a calibrator for the level sensor, the conductivity sensor in this study adequately monitored EC between 0 and 10 mS/cm with a 17% relative uncertainty, which is sufficient for stormwater monitoring, especially for real-time detection of poor stormwater quality inputs. Overall, our proposed sensor can be rapidly and densely deployed in the urban drainage network for revolutionised high-density monitoring that cannot be achieved before with high-end loggers and sensors.
APA, Harvard, Vancouver, ISO, and other styles
10

Bergamaschi, Mateus M., Erin L. Karschner, Robert S. Goodwin, Karl B. Scheidweiler, Jussi Hirvonen, Regina HC Queiroz, and Marilyn A. Huestis. "Impact of Prolonged Cannabinoid Excretion in Chronic Daily Cannabis Smokers' Blood on Per Se Drugged Driving Laws." Clinical Chemistry 59, no. 3 (March 1, 2013): 519–26. http://dx.doi.org/10.1373/clinchem.2012.195503.

Full text
Abstract:
BACKGROUND Cannabis is the illicit drug most frequently reported with impaired driving and motor vehicle accidents. Some “per se” laws make it illegal to drive with any amount of drug in the body, while others establish blood, saliva, or urine concentrations above which it is illegal to drive. The persistence of Δ9-tetrahydrocannabinol (THC) in chronic daily cannabis smokers' blood is unknown. METHODS Thirty male chronic daily cannabis smokers resided on a secure research unit for up to 33 days, with daily blood collection. Samples were processed in an ice bath during sample preparation to minimize cannabinoid adsorption onto precipitant material. We quantified THC by 2-dimensional GC-MS. RESULTS Of the 30 participants, 27 were THC-positive on admission, with a median (range) concentration of 1.4 μg/L (0.3–6.3). THC decreased gradually; only 1 of 11 participants was negative at 26 days, 2 of 5 remained THC-positive (0.3 μg/L) for 30 days, and 5.0% of participants had THC ≥1.0 μg/L for 12 days. Median 11-hydroxy-THC concentrations were 1.1 μg/L on admission, with no results ≥1.0 μg/L 24 h later. 11-Nor-9-carboxy-THC (THCCOOH) detection rates were 96.7% on admission, decreasing slowly to 95.7% and 85.7% on days 8 and 22, respectively; 4 of 5 participants remained THCCOOH positive (0.6–2.7 μg/L) after 30 days, and 1 remained positive on discharge at 33 days. CONCLUSIONS Cannabinoids can be detected in blood of chronic daily cannabis smokers during a month of sustained abstinence. This is consistent with the time course of persisting neurocognitive impairment reported in recent studies.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Illicit discharge detection"

1

Bender, Paul Ryan. "Development of Effective Procedures for Illicit Discharge Risk Mapping." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71427.

Full text
Abstract:
Authorities of municipal separate storm sewer systems (MS4s) are required to address illicit discharges as part of the National Pollutant Discharge Elimination System (NPDES) stormwater program. Field reconnaissance is an effective measure to detect and identify illicit discharges, but requires substantial staff and financial resources to conduct. While risk analysis techniques and guidelines have been developed to facilitate MS4 prioritization of field operations, neither a standard set of indicators nor a standard operating procedure has been adopted. This study investigates the relationships among indicators of illicit discharge potential (IDP) and the locations of illicit discharges in two Virginia MS4s. Results of the study indicate that certain risk factors are statistically more effective at predicting IDP, suggesting that a core set of factors can be used to map illicit discharge risk. The results also show that risk mapping tools are significantly impacted by uncertainty in model inputs. Recommendations are provided for MS4s interested in pursuing IDP risk mapping as a tool to improve cost-effectiveness and guide illicit discharge program implementation.
Master of Science
APA, Harvard, Vancouver, ISO, and other styles

Books on the topic "Illicit discharge detection"

1

Brown, Edward. Illicit discharge detection and elimination: A guidance manual for program development and technical assessments. Washington, D.C: Water Permits Division, Office of Water and Wastewater, U.S. Environmental Protection Agency, 2004.

Find full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Illicit discharge detection"

1

Reynolds, Scott D., Daniel P. Christian, and Karen G. Reynolds. "Illicit Discharge Detection is Going to the Dogs." In World Environmental and Water Resources Congress 2008. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40976(316)668.

Full text
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Illicit discharge detection' for particular source types:
Journal articles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography