groundwater quality and guidelines for drinking water quality

... documentation and communication 2.1.5 Surveillance of drinking- water quality 22 22 24 25 26 27 28 iii GUIDELINES FOR DRINKING- WATER QUALITY 2.2 2.3 2.4 Guidelines for verification 2.2.1 Microbial water quality ... in designing and implementing 11 GUIDELINES FOR DRINKING- WATER QUALITY community and household drinking- water systems and correcting deficiencies, and they may also be responsible for surveillance ... skills to perform that role; and — is aware of requirements for the protection of drinking- water supplies from pollution For further information, see WHO Guidelines for Drinking- water Quality, second...

Ngày tải lên: 27/05/2014, 02:48

... as blank The UX Book Process and Guidelines for Ensuring a Quality User Experience Intentionally left as blank The UX Book Process and Guidelines for Ensuring a Quality User Experience REX HARTSON ... systems and interaction styles, we will need to use processes for creating and refining basic computing applications and interaction styles for years to come 2 THE UX BOOK: PROCESS AND GUIDELINES FOR ... illustrated with examples and exercises for you to apply yourself The process is complemented by a framework of principles and guidelines in Part II: Design Infrastructure and Guidelines for getting the...

Ngày tải lên: 15/08/2014, 21:28

... building for the local distribution utilities, especially in system and company management, and for local and national authorities on rural electrification regulation, policy development and planning ... a policy of equality and unity and supports the cultures of all nationalities and prohibits discrimination and separation Each nationality has the right to use its own language and characters ... gather relevant information on the following: demographic data; social, cultural and economic situation; and social, cultural and economic impacts - positive and negative 22 Information will be...

Ngày tải lên: 20/12/2013, 17:15

... articulating and applying standards and assessment methodologies for core system elements The Principles and Guidelines for Effective Insolvency and Creditor Rights Systems contributes to that effort ... laws and institutions The Principles and Guidelines highlights the relationship between the cost and flow of credit (including secured credit) and the laws and institutions that recognize and enforce ... Stabilizing and Sustaining Business Operations Information: Access and Disclosure Plan: Formulation, Consideration and Voting Plan: Approval of Plan Plan: Implementation and Amendment Plan: Discharge and...

Ngày tải lên: 06/03/2014, 10:20

... in drinking water and groundwater has increasingly been recognized in recent years and now has become a worldwide problem Severe contamination has been reported for a decade in Bangladesh and ... laterite and limonite were packed into an adsorption column and applied as filtration device in a household water treatment system Raw groundwater was pumped through the column Raw groundwater and ... method for As removal in water, we also tested the removal efficiency on the pilot equipment for groundwater treatment that is currently installed in one city water treatment plant (Fig 4) Groundwater...

Ngày tải lên: 15/03/2014, 23:49

Ngày tải lên: 16/03/2014, 08:20

... manner and context, in which information is conveyed is as important as the information itself For example, presenting information in a disorganized and rapid fashion, allowing too little time for ... when adequate standards for informed consent are satisfied While the importance of informed consent is unquestioned, controversy prevails over the nature and possibility of an informed consent ... minimal, and (3) there is an adequate plan for debriefing subjects, when appropriate, and for dissemination of research results to them Information about risks should never be withheld for the...

Ngày tải lên: 22/03/2014, 15:21

... voltage switchgear Transformers Exposure of transformers to water can cause corrosion and insulation damage to the transformer core and winding The ability of the transformer to perform its intended ... chemicals, sewage, oil, and other debris that will affect the integrity and performance of the equipment Ocean water and salt spray can be particularly damaging due to the corrosive and conductive nature ... Guidelines for Handling Water- damaged Electrical Equipment NOTICE AND DISCLAIMER – Please see the last page of this document Use of this Publication This publication provides guidelines...

Ngày tải lên: 24/03/2014, 02:20

... WHO Guidelines for Drinking Water Safety (2011) ‚‚ Appropriate antibiotics for b) Dysentery106, 107 dysentery according to guidelines www.who.int /water_ sanitation_health/ publications/2011/dwq _guidelines/ en/index.html ... publications/2011/dwq _guidelines/ en/index.html ‚‚ WHO Guidelines for the safe use of wastewater, excreta and greywater (2006) www.who.int /water_ sanitation_health/ wastewater/gsuww/en/index.html ‚‚ WHO Manual for the Community Health ... workers Practice guidelines and training manuals Infancy and childhood Promotion and Community support for exclusive Primary breastfeeding for Referral months78, 79 ALL ‚‚ Materials for counselling,...

Ngày tải lên: 28/03/2014, 16:20

... parameters for communications and data to the external site Information Management This section contains guidelines for the following policies: Handling information & Disposing of media Handling Information ... electronically stored information to prevent unauthorized access or misuse The guidelines for handling electronically stored information are: 19 Network Security: Policies and Guidelines for Effective ... where, how, when, to whom, and to what the policy applies Defines who is responsible for enforcing the policy Identifies resources for information and guidance Reviewing and Evaluating Policies...

Ngày tải lên: 28/03/2014, 22:20

... ZANZIBAR Guidelines for Medicines and Medical Equipment Donations and Guidelines for Safe Disposal of Unwanted Pharmaceuticals Ministry of Health and Social Welfare In collaboration with: Foreword ... WHO’s Guidelines for Drug Donations and Zanzibar Food Drugs and Cosmetics Act (ZFDCA) 1.1 The Need for Guidelines • Donors intend well, but often not realize the possible inconveniences and unwanted ... advance vi The permit for importation for medicine and medical supplies will be issued by ZFDB after the donor has submitted a Donation Information Form (see annex for sample of Form) JUSTIFICATION/EXPLANATION...

Ngày tải lên: 31/03/2014, 12:20

... Applications for Drinking Water Treatment Why Use Particle Counters for Drinking Water Treatment? 15 Cryptosporidium and Giardia 16 Particle Counters and Cryptosporidium and Giardia ... higher-concentration raw waters Sizers are several times more expensive and complex than the particle counters used for drinking water treatment, and are of little practical importance for everyday plant ... of all this, the turbidimeter is a critical tool for evaluating drinking water quality, and the NTU has become the standard measure of finished water clarity It is a big advance over the “eyeball”...

Ngày tải lên: 18/06/2014, 19:20

... need to be given for particle counter application in these cases, much of which is covered in Part II of the book I GROUNDWATER Groundwater sources may be tested for surface water intrusion by ... 23, 2000 1:45 PM APPLICATIONS FOR DRINKING WATER TREATMENT Cryptosporidium 17 Giardia to microns x 12 microns Figure 2.1 Typical sizes and shapes for Cryptosporidium and Giardia Furthermore, without ... water Fortunately, it is large enough to be stopped by a properly operating conventional filter; see Figure 2.1 C PARTICLE COUNTERS AND CRYPTOSPORIDIUM AND GIARDIA Particle counters used for drinking...

Ngày tải lên: 18/06/2014, 19:20

... approach for handling calibration from the standpoint of cost and efficiency Particle Counter Calibration At present, particle counters are only calibrated for sizing accuracy, and not for counting ... list of items to check for each particle counter Make sure that all maintenance personnel are performing the same tasks, and doing so consistently Brief guidelines for performing each operation ... designed specifically for online particle counters used on drinking water sources It is designed for flows ranging from 40 to 120 ml/min, and guarantees 1% accuracy It is designed for use with the...

Ngày tải lên: 18/06/2014, 19:20

... plant performance, trend it together with other plant data Turbidity, headloss, and any other data that relate to water quality and filter performance can be used to provide the background for interpreting ... goal of every drinking water treatment plant is the consistent production of high -quality drinking water Trends provide a direct way to monitor this continuous process quickly and accurately ... helpful for interpretation, and should not be emphasized as such Data Reporting Until particle counting is mandated by regulations, most reports will be generated for internal records and for review...

Ngày tải lên: 18/06/2014, 19:20

... “Particle free” water can be produced with special filters, and is good for final rinses before the sample rinse Note: Store-bought deionized water, or inhouse-produced deionized water is not particle ... laboratory sample-handling and testing skills c Particle counter sample collection and handling This involves a lot of “hands-on” work with the grab sampler Have each operator collect and run the same ... improve the “feel” for what is going on Run several tests on the same sample The guidelines for the State of California suggest that three tests should be run, with the results for each test within...

Ngày tải lên: 18/06/2014, 19:20

... specifications employed for evaluating particle counter performance are defined and discussed Understanding of these few specification parameters is essential to making informed decisions about ... etc.) and are easily understood Specialized instruments have specifications that are unique to the task for which they are designed In many cases, common specification terms such as resolution and ... detected and measured if it produces a signal with a minimum to signal-to-noise ratio B SIGNAL-TO-NOISE RATIO All electronic instruments are subject to various forms of “noise,” or random, meaningless...

Ngày tải lên: 18/06/2014, 19:20

... light and are a source of resolution and sizing error Quartz may have fewer imperfections as far as optical quality is concerned It is a softer material than sapphire, and thus can be bored and ... Collimation and Focus Optics Sapphire Windows 780 nm Laser Diode Particle sensor (Courtesy of L & H Environmental, Inc., Roseburg, OR.) The cell window materials vary in optical quality Small ... energy from reflecting back into the laser Lasers produce light by bouncing light energy back and forth at a high frequency between mirrored surfaces, which amplifies the light intensity to produce...

Ngày tải lên: 18/06/2014, 19:20

... comparators are combined to provide counts for different sized particles For example, consider a particle counter with size ranges set for to µm, to 15 µm, and 15 µm and larger This would require three ... primarily for particle counter sensor calibration, but can be used for other applications in drinking water treatment The PHA is used to provide a histogram of all the particles in a given volume of water ... functional standpoint As standards are developed and become defined to a greater degree, these differences may become more important The high-resolution A/D counter circuit provides the potential for autocalibration...

Ngày tải lên: 18/06/2014, 19:20

... outlined above, the number and location of the analog inputs should be sufficient for all required instruments, and convenient for installation A spare input can come in handy for future additions, ... already provide for these inputs, and to 20 mA particle counters would have no use for them The number of analog inputs provided will vary from unit to unit Certainly turbidity and loss-of-head ... particle counts dramatically, and the data generated during this time must be separated from the filtered water data The rules for discrete inputs are similar to those for analog inputs Dry contacts...

Ngày tải lên: 18/06/2014, 19:20