modeling scada systems security and surveillance systems

... propagation and contaminant threats in drinking water distribution systems • Case study applications • Distribution system modeling, SCADA systems, security hardware, and surveillance systems • ... drinking water and wastewater managers and operators for dealing with homeland security and general emergency response 1.8.1 Current State of Water Supply and Wastewater Systems Security: An Overview ... choosing and deploying such systems and presents a number of criteria and considerations for the selection and deployment of these systems These criteria can form the basis for successful selection and...

Ngày tải lên: 01/04/2014, 11:46

... pipes are circumferential and other 30% are longitudinal, holes and leaks through service connections and hydrants [5] Consequently, as the most failures are circumferential and that type of burst ... Kvisc and Kelas are decay coefficients for the plastic and elastic effects, respectively For the description of fluid and pipe material non-elastic behavior simpler decay coefficients (KH and KQ) ... cross-section; ∆H and ∆Q = head and discharge variation, respectively 3.3 Model application and comparisons In the developed MOC it was considering the variation proposed by equations (10) and (11) Table...

Ngày tải lên: 05/09/2013, 14:58

... response is reached very quickly Load Modeling Concepts and Approaches There are essentially two approaches to load modeling: component based and measurement based Load modeling research over the years ... of a solid neutral strand (Ohms/mile) = number of concentric neutral strands The geometric mean radii of the phase conductor and a neutral strand are obtained from a standard table of conductor ... Classification • Modeling Applications • Load Modeling Concepts and Approaches • Load Characteristics and Models • Static Load Characteristics • Load Window Modeling Larry D Swift University of Texas...

Ngày tải lên: 05/03/2014, 16:20

... Security Audit Objectives and Related Activities (Current and Future) 31 iv I Introduction and Background Purpose of the guide Background Information systems security auditing Information security ... Web-Based Security Research and Training Resources 33 General IS Audit Information 33 IT and IT Security Training and Information 34 Data Extraction and Analysis ... team to look for different controls and to include IS security as a part of the risk assessment and audit process Information Systems Security Auditing IS security auditing involves providing...

Ngày tải lên: 05/03/2014, 21:20

... methods, security protocols, electronic commerce ADVANCES IN NETWORK AND DISTR SYSTEMS SECURITY Introduction Security protocols are used in distributed systems to protect the secrecy of messages and ... Kazuo Ohta, Akira Takura, and Kiyoshi Shirayanagi for their helpful comments and encouragement 12 ADVANCES IN NETWORK AND DISTR SYSTEMS SECURITY References Anderson, R and Needham, R (1995) Programming ... AND SECURITY PROTOCOLS This section presents certain pitfalls of current e-commerce strategies and standards, in terms of security, customer satisfaction, authentication and technological standards...

Ngày tải lên: 25/03/2014, 11:06

... Chapters and Access Control Systems and Methodology Chapters and Telecommunications and Network Security Chapters and Security Management Practices Chapters and Applications and Systems Development Security ... and Assurance Understanding System Security Evaluation Rainbow Series ITSEC Classes and Required Assurance and Functionality Common Criteria Certification and Accreditation Common Flaws and Security ... Introduction Security Management Practices Applications and Systems Development Security Cryptography Security Architecture and Models Operations Security Business Continuity Planning and Disaster...

Ngày tải lên: 25/03/2014, 11:09

... follows: Chapters and Access Control Chapters and Telecommunications and Network Security Chapters and Information Security and Risk Management Chapters and Application Security Chapters and 10 Cryptography ... Telecommunications and Network Security Information Security and Risk Management Application Security Cryptography Security Architecture and Design Operations Security Business Continuity and Disaster ... Policies, and Roles Employment Policies and Practices Security Management for Employees Security Roles Security Management Planning Policies, Standards, Baselines, Guidelines, and Procedures Security...

Ngày tải lên: 25/03/2014, 11:10

... Communications Security Establishment, An Introduction to the Internet and Internet Security Ottawa, Canada, September 1995 15 2.0 Security 2.1 Security Policy 2.1.0 What is a Security Policy and Why ... errors and omissions in their computer security, software quality, and data quality programs 2.2.4.1 FRAUD AND THEFT Information technology is increasingly used to commit fraud and theft Computer systems ... Financial systems are not the only ones subject to fraud Systems, which control access to any resource, are targets, such as time and attendance systems, inventory systems, school grading systems, ...

Ngày tải lên: 21/04/2014, 14:23

... (CAFOs),41,42 and aquaculture.43,44 • Removal during wastewater23,45–53 and drinking-water10,54–61 treatment • Effects on aquatic ecosystems,62–66 terrestrial ecosystems,67,68 and human health.69,70 ... in the Environment and in Water Treatment Systems TABLE 1.2 Concentrations of Pharmaceuticals and Other Emerging Contaminants in Sludges and Biosolids, Sediments, Groundwater, and Drinking Water, ... Environment and in Water Treatment Systems Ching-Hua Huang School of Civil and Environmental Engineering Georgia Institute of Technology Atlanta, Georgia Sungpyo Kim Department of Earth and Environmental...

Ngày tải lên: 18/06/2014, 16:20

... Environment and in Water Treatment Systems 7), and eluting solvents were used for the determination of the target compounds Recoveries varied between 75 and 125% in both tap water and surface water, and ... 57% and 67% for bezafibrate Low method limits of detection were reported for ibuprofen, diclofenac, and bezafibrate They were ng/L in ground and surface waters and ng/L in WWTP samples, and and ... [Optimization of stationary phases and pH] SPE: HLB, pH 10; MeOH [Optimization of washing and eluting solvent, and of pH] Multiresidue method for neutral and acidic drugs and metabolites GW, SW, WW SPE:...

Ngày tải lên: 18/06/2014, 16:20

... 16 FIGURE 3.2 UV chromatograms of a standard 1.0% humic acids after cleanup with (a) tC18 SPE, (b) HLB SPE, (c) tandem SAX and HLB SPE, and (d) tandem SAX and tC18 SPE (a) (b) (c) FIGURE 3.3 A ... Treatment Handbook, 1991 Cachan: Lavoisier Publishing Ternes, T.A., Andersen, H., Gilberg, D., and Bonerz, M., 2002 Determination of estrogens in sludge and sediments by liquid extraction and GC/MS/MS ... D., Compano, R., Hernandez-Arteseros, J.A., and Granados, M., 2006 Determination of flumequine and oxolinic acid in sediments and soils by microwave-assisted extraction and liquid chromatography-fluorescence...

Ngày tải lên: 18/06/2014, 16:20

... Gd–DTPA2– and Gd(HP-DO3A) produced no lethality up to 200 g/L, and Gd(CPA-DO3A)– produced lethality of 17% and 31% at 24-hour exposures of 100 g/L and 200 g/L.34 The toxicity of metals and their ... 40, 88, 194, 426, 937, and 2062 mg/L for the test compound gadobutrol; 0, 2, 4, 10, 20, 40, and 80 mg/L for the test compound gadofosveset trisodium; and 63, 125, 250, 500, and 1000 mg/L for the ... water and to various concentrations of the substances (0.1, 1.0, 10.0, 100.0, and 1000.0 mg/L in case of gadobutrol and gadoxetic acid disodium, 100 mg/L in case of dimeglumine gadopentetate, and...

Ngày tải lên: 18/06/2014, 16:20

... Environment and in Water Treatment Systems reviews our understanding of the inputs of livestock medicines to the environment and synthesizes the available information on the fate and transport ... in the Environment and in Water Treatment Systems by the scenarios, and the desire to cover three different European climate zones (Mediterranean, Central, and Continental Scandinavian) Each of ... Poaceae, Lilipidosa) Agricultural Ecosystems and Environment 60, 121, 1996 54 Briggs, G., Bromilow, R., and Evans, A Relationships between lipophilicity and root uptake and translocation of non-ionised...

Ngày tải lên: 18/06/2014, 16:20

... region and time after land application; and (3) correlation between time after application and rainfall events on chemical loadings to aquatic systems Research is also needed to understand how ... with Kf and N values of 150 mol1–N kg–1 LN and 0.95 for Al-hydrous oxides and 59.1 mol1–N kg–1 LN and 0.85 for Fe-hydrous oxides, respectively, measured at an ionic strength of 0.01 M and pH 5.4.30 ... HORMONES 6.4.1 SORPTION BY SOIL AND SEDIMENT The occurrence of natural and synthetic estrogens and androgens in surface waters has sparked interest by the research community and the general public because...

Ngày tải lên: 18/06/2014, 16:20

... rested firmly on the sand Soil columns were allowed to drain, and those with drainage times of 24 to 48 h were chosen for the experiment and were randomly divided among treatment and control groups ... Rabølle and Spliid (2000) performed a leaching study with tylosin in packed soil cores of two soil types: a sandy loam and a sandy type The Kd values described for those soils were 128 and 10.8, ... Environment and in Water Treatment Systems of Environmental Contamination and a USDA-CSREES NRI grant This work is part of the Iowa Agricultural and Home Economics Experiment Station Projects No 5075 and...

Ngày tải lên: 18/06/2014, 16:20

... Pharmaceuticals in the Environment and in Water Treatment Systems 8.1 INTRODUCTION Plants take their nutrients from the air and air moisture (fog, dew, and rainfall), and are able to take up dissolved ... Figure 8.2 pKa values are 2.4 and 7.4 and 1.8 and 6.0 for sulfamethazine and sulfamethoxazole, respectively.61 Sulfamethazine is a frequently used veterinary antibiotic, and in a previous study it ... Del Castillo, J., and Juneau, V., Sorption kinetics of chlortetracycline and tylosin on sandy loam and heavy clay soils, J Environ Qual., 35, 969, 2006 26 Weerasinghe, C.A and Towner, D., Aerobic...

Ngày tải lên: 18/06/2014, 16:20

... 2, and days after plants were treated with CTC (A) Maize control (MCR) and CTC-treated (MTR) plants (B) Pinto bean control (PCR) and CTC-treated (PTR) plants Values represent the mean and standard ... Fate of Pharmaceuticals in the Environment and in Water Treatment Systems protein and nucleic acid synthesis, including modulation of enzyme activity and adaptation to environmental stress.28 ... clay, sand, organic matter, and mineral content, all of which play an important role in antibiotic sorption For instance, sulfonamide antibiotics adsorb more strongly to clay than to sand, and in...

Ngày tải lên: 18/06/2014, 16:20

... sulfamethoxazole and trimethoprim (log Kow = 3.06, 0.89, and 0.91, respectively) and is therefore more likely to partition onto solids and have higher removal rates Diclofenac, carbamazepine, bezafibrate, and ... approximately 30 and 40% for ozonation and H2O2 photolysis, respectively © 2008 by Taylor & Francis Group, LLC 224 Fate of Pharmaceuticals in the Environment and in Water Treatment Systems LP and MP ultraviolet ... Kim, S.D., Cho, J., Kim, I.S., Vanderford, B.J., and Snyder, S.A Occurrence and removal of pharmaceuticals and endocrine disruptors in South Korean surface, drinking, and waste waters, Water Res...

Ngày tải lên: 18/06/2014, 16:20

... detected in two raw water samples at 1.0 and 1.4 ng/L and in two finished waters at 1.1 and 2.3 ng/L These values are near the MRL of 1.0 ng/L Progesterone and androstenedione were each detected in ... Roth, P., Effects of androgenic and estrogenic compounds on the experimental metamorphoses of amphibians Gynecol and Obstet 1948, 47, 164–176 Hignite, C and Azarnoff, D.L., Drugs and drug metabolites ... Faust, S.D and Hunter, J.V., Principles and Applications of Water Chemistry John Wiley and Sons: New York, 1967 68 Gallard, H and von Gunten, U., Chlorination of phenols: Kinetics and formation...

Ngày tải lên: 18/06/2014, 16:20