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Wastewater Collection Systems Management MOP 7 (Hardcover, 6th edition): Water Environment Federation Wastewater Collection Systems Management MOP 7 (Hardcover, 6th edition)
Water Environment Federation
R2,240 Discovery Miles 22 400 Shipped within 7 - 11 working days

The Latest Methods for Managing Wastewater Collection Systems

This Water Environment Federation resource provides up-to-date guidance on the oversight of wastewater collection systems, including gravity sewers, pumping stations, force mains, and other sewer-conveyance-related facilities. This authoritative volume offers strategies for developing a comprehensive asset-management program that encompasses capacity, management, operations, and maintenance (CMOM) principles as well as the business, engineering, human resource, and communications aspects of a wastewater collection systems project.

Wastewater Collection Systems Management, Sixth Edition covers: System operations and maintenance Information managementCollection system assessment and capital improvement planningSystem design considerationsConstruction contractingPublic policy and community relationsBudgeting and financial planning Safety, standard procedures, training, and certificationsEmergency preparedness and security

Design of Urban Stormwater Controls, MOP 23 - MOP 23 (Hardcover, 2nd edition): Water Environment Federation, American Society... Design of Urban Stormwater Controls, MOP 23 - MOP 23 (Hardcover, 2nd edition)
Water Environment Federation, American Society of Civil Engineers., Environmental and Water Resources Institute (U.S.)
R2,788 Discovery Miles 27 880 Shipped within 7 - 11 working days

Innovative Techniques for Designing Urban Stormwater Controls

Fully updated to address the paradigm shift in the way stormwater is viewed and managed, "Design of Urban Stormwater Controls" focuses on consolidating technologies to foster a convergence between traditional stormwater controls and green infrastructure. This authoritative resource explains how systems of stormwater controls can be designed to meet multidisciplinary objectives, including flood control; stream channel protection; groundwater recharge; water quality improvement; protection of public safety, health, and welfare; and multipurpose public benefits.

Coverage includes: Urban stormwater management overview Effects of stormwater on receiving waters Performance goals for stormwater controls Unit processes and operations for stormwater control Selection criteria and design considerations Swales and strips Basins Filters and infiltrators Gross pollutant traps and mechanical operations Maintenance of stormwater controls Whole life cost of stormwater controls Performance assessment Analytical tools for simulation of stormwater controls

Prevention and Control of Sewer System Overflows, 3e - MOP FD-17 (Hardcover, 3rd edition): Water Environment Federation Prevention and Control of Sewer System Overflows, 3e - MOP FD-17 (Hardcover, 3rd edition)
Water Environment Federation
R1,906 Discovery Miles 19 060 Special order

The Latest Sewer System Overflow Prevention Methods

Fully revised throughout, this Water Environment Federation resource provides up-to-date information necessary to help managers and engineers understand and analyze an overflow problem and offers guidance on finding the most efficient, feasible, and cost-effective strategies to reduce or eliminate such overflows. This authoritative volume also serves as a planning guide for developing long-term control plans for combined sewer overflows (CSOs) and sanitary sewer overflows (SSOs).

"Prevention and Control of Sewer System Overflows," Third Edition, covers: Definitions and causes of overflows Regulatory guidelines Information management System characterization System maintenance and management Overflow mitigation technologies Overflow mitigation plan development and implementation

Biofilm Reactors WEF MOP 35 (Hardcover, Ed): Water Environment Federation Biofilm Reactors WEF MOP 35 (Hardcover, Ed)
Water Environment Federation
R2,769 Discovery Miles 27 690 Shipped within 7 - 11 working days

The latest Methods for Wastewater Treatment Using Fixed-Film Processes

This Water Environment Federation resource provides complete coverage of pure fixed-film and hybrid treatment systems, along with details on their design, performance, and operational issues. "Biofilm Reactors" discusses factors that affect the design of the various processes, appropriate design criteria and procedures, modeling techniques, equipment requirements, and construction methods. Operational issues associated with each type of process are presented, including potential problems and corrective actions. Real-world case studies illustrate the application of the technologies presented in this authoritative volume.

"Biofilm Reactors" covers: Biology of fixed-film processes Trickling filter and combined trickling filter suspended-growth process design and operation Rotating biological contactors Moving-bed biofilm reactors Hybrid processes Biological filters New and emerging fixed-film technologies Clarification Effluent filtration Development and application of models for integrated fixed-film activated sludge, moving-bed reactors, biological aerated filters, and trickling filters

Energy Conservation in Water and Wastewater Facilities - MOP 32 (Hardcover, Ed): Water Environment Federation Energy Conservation in Water and Wastewater Facilities - MOP 32 (Hardcover, Ed)
Water Environment Federation
R2,838 Discovery Miles 28 380 Shipped within 7 - 11 working days

The Definitive Guide to Energy Conservation in Water and Wastewater Treatment Plants

Covering both drinking water treatment as well as wastewater, this authoritative guide from the Water Environment Federation presents the latest strategies for improving energy efficiency in plant operations. Each chapter discusses principles and concepts of energy requirements, potential sources of inefficiency, and recommended energy conservation measures for specific equipment and processes.

"Energy Conservation in Water and Wastewater Facilities" covers: Energy efficiencyUtility billing procedures and incentivesElectric motors and transformersPumpsVariable controlsAeration systemsBlowersSolids processesEnergy managementElectricity basicsEstimates of electricity used in treatment facilities

Wastewater Treatment Process Modeling, Second Edition (MOP31) (Hardcover, 2nd edition): Water Environment Federation Wastewater Treatment Process Modeling, Second Edition (MOP31) (Hardcover, 2nd edition)
Water Environment Federation
R2,859 Discovery Miles 28 590 Shipped within 7 - 11 working days

The Most Complete, Up-to-Date Guide to Process Modeling Methods and Protocols

Fully revised to cover the latest advances in the field, "Wastewater Treatment Process Modeling," Second Edition, explains general modeling concepts and terminology and offers practical details on how to use process models for the design and operation of small, medium, and large water resource recovery facilities. This Water Environment Federation manual describes each step of the modeling process, including the fundamental math required, overviews of existing models and when to use them, modeling protocols, and how to interpret data. The detailed information in this authoritative volume helps to ensure that process models are developed, used, and documented correctly.

"Coverage includes: " History of process modeling Modeling fundamentals Unit process model descriptions Process modeling tools Dedicated experiments and tools Overview of available modeling and simulation protocols Project definition Building a facility model Using models for design, optimization, and control

Alternative Sewer Systems FD-12 (Hardcover, 2nd edition): Water Environment Federation Alternative Sewer Systems FD-12 (Hardcover, 2nd edition)
Water Environment Federation
R2,137 Discovery Miles 21 370 Shipped within 7 - 11 working days

Everything You'll Need to Know About Pressure, Vacuum, and Effluent Collection Systems. .

"Alternative Sewer Systems, Manual of Practice FD-12" is a complete primer on the various systems that can be used to replace expensive gravity systems presently used in small and large communities. This brand-new edition provides a general overview of collection systems and then elaborates on the design, performance, and management of three specific types: pressure, vacuum, and effluent. . .

Updated to include the most current technology in the field, "Alternative Sewer Systems, Manual of Practice FD-12" offers a frank, detailed look at the advantages and disadvantages of alternative systems. It provides the interfacing requirements for discharge to conventional sewers, as well as issues concerning grinder-pumps and piping. . .

"Alternative Sewer Systems, Manual of Practice FD-12" provides: . Pros and cons of using alternative collection. Discharge interface requirements. Grinder-pump needs. Piping requirements. SI as primary units and U.S. as secondary. .

This comprehensive guide covers: . Pressure Sewer Systems. Vacuum Sewer Systems. Effluent Sewer Systems, including Septic Tank Effluent Pumping (STEP) and Septic Tank Effluent Gravity (STEG) systems. . . .

Automation of Wastewater Treatment Facilities - MOP 21 (Hardcover, Ed): Water Environment Federation Automation of Wastewater Treatment Facilities - MOP 21 (Hardcover, Ed)
Water Environment Federation
R2,770 Discovery Miles 27 700 Shipped within 7 - 11 working days

The expert coverage you need to design automated wastewater systems

Especially written for design professionals, Automation of Wastewater Treatment Facilities discusses the selection of instruments, installation, sizing of control elements, and the best choice for controllers and computers for automated wastewater plants.

Financing and Charges for Wastewater Systems WEF MOP 27 - WEF Manual of Practice No. 27 (Hardcover, Ed): Water Environment... Financing and Charges for Wastewater Systems WEF MOP 27 - WEF Manual of Practice No. 27 (Hardcover, Ed)
Water Environment Federation
R1,952 Discovery Miles 19 520 Shipped within 7 - 11 working days

DETAILED, UP-TO-DATE GUIDANCE ON FINANCIAL PRACTICES AND PROCEDURES FOR WASTEWATER SYSTEMS.

. Focusing on issues of increasing urgency, this comprehensive manual of practice teaches expert methods for handling all financial aspects of wastewater collection and treatment. Created and peer-reviewed by international authorities at the Water Environment Federation, "Financing and Charges for Wastewater Systems" delivers up-to-date options, tools, and techniques for managing assets, financing capital improvements, and developing rates and charges that accurately and fairly reflect costs of service..

. Featuring numerous case studies of real-world applications, the guidebook explains and illustrates choices in methods of analysis, structuring, and equitable allocation of the costs of wastewater collection and treatment. "Financing and Charges for Wastewater Systems" untangles the complexities involved in integrating the multiple considerations entailed in developing fair cost allocations and rates for service, and provides tested methods for confronting complicated decisions..

. Of interest to utility managers, municipal officials, engineers, accountants, rate analysts, attorneys, and all others involved in this arena, this authoritative professional resource conveys sound financial strategies for managing functions of increasing consequence and cost. There is no better guide to the financial side of wastewater management..

. "Today's Best Practices:," Asset management. Operating and capital costs analysis and allocation. Integrating cost allocation and rate-making. Financing capital improvements. Predicting revenue needs. Accounting methods. Pricing reused water. Allocation ofsystem development costs. Implementing rate schedules. The affordability factor. SI and US customary units.

. INSIDE:
. Introduction * Institutional Issues * Financial Management and Accounting for Wastewater Systems * Financing Capital Improvements * Determination of Revenue Requirements * Allocating Costs of Services to Cost-Causative Components * Distribution of Costs of Service to Customer Classes * Development and Design of a Schedule of Rates and Charges * Rates for Reuse of Reclaimed Water * System Development Charges * Implementing Rate Studies * Affordability * Appendix: Utility Approach to Cost Allocation * Appendix: Municipal Utility Case Law. . . . .

GIS Implementation for Water and Wastewater Treatment Facilities - WEF Manual of Practice No. 26 (Hardcover, Ed): Water... GIS Implementation for Water and Wastewater Treatment Facilities - WEF Manual of Practice No. 26 (Hardcover, Ed)
Water Environment Federation
R1,949 Discovery Miles 19 490 Shipped within 7 - 11 working days

GIS, geographic information systems, is finding application in the water community on both the water and wastewater side. GIS is being considered for virtually every medium and large utility to store and coordinate increasing amounts of data. It's utility is in managing the utilities assets from collection systems, pumping stations, holding tanks, on-site equipment, and individual dischargers. It is a complicated technology requiring significant expertise to implement. "Implementing GIS" is perhaps the only comprehensive resource on GIS for this industry. It is a new MOP written by the experts to give both theoretical and practical knowledge to the utility.

Solids Process Design and Management (Hardcover, Ed): Water Environment Federation Solids Process Design and Management (Hardcover, Ed)
Water Environment Federation
R3,442 Discovery Miles 34 420 Shipped within 7 - 11 working days

The Definitive Guide to Solids Treatment and Management

This authoritative resource is essential for professionals involved in the design, approval, and operation of municipal solids treatment and disposal systems. "Solids Process Design and Management" contains the latest information on public outreach and involvement, waste minimization, anaerobic and aerobic digestion, odors, and treatment and utilization of green gases. Significant advancements in equipment, technologies, and processes as well as improved planning, design, and management practices are addressed in this comprehensive manual.

Coverage includes: Conveyance of wastewater residuals Chemical conditioning Thickening Sludge minimization technologies Dewatering and composting Alkaline treatment Thermal drying and oxidation Disinfection and stabilization processes Pyrolysis and gasification Transport and storage Sidestreams from solids treatment processes Instrumentation and monitoring Landfill management systems And much more

Information Technology in Water and Wastewater Utilities, WEF MOP 33 (Hardcover, Ed): Water Environment Federation Information Technology in Water and Wastewater Utilities, WEF MOP 33 (Hardcover, Ed)
Water Environment Federation
R2,142 Discovery Miles 21 420 Shipped within 7 - 11 working days

Practical Guidelines for Managing Information Technology in Water and Wastewater Utilities

This Water Environment Federation resource presents an overview of the information technology (IT) systems, practices, and applications most relevant to utilities. "Information Technology in Water and Wastewater Utilities" covers strategic planning, IT program development, project management, infrastructure, security, organizational issues, success factors, and challenges. Six real-world case studies highlight specific technical details and illustrate the concepts presented in this authoritative guide.

"Information Technology in Waste and Wastewater Utilities" covers: Business drivers and IT systems and applications IT planning Developing an IT program for a municipal agency IT capital project management IT systems--processes and practices IT security Organizational aspects of IT Critical success factors and key future challenges for IT in water and wastewater utility projects

Biological Nutrient Removal (BNR) Operation in Wastewater Treatment Plants - WEF Manual of Practice No. 30 (Hardcover, Ed):... Biological Nutrient Removal (BNR) Operation in Wastewater Treatment Plants - WEF Manual of Practice No. 30 (Hardcover, Ed)
Water Environment Federation
R2,662 Discovery Miles 26 620 Shipped within 7 - 11 working days

PRACTICAL GUIDANCE ON BIOLOGICAL NUTRIENT REMOVAL FOR PLANT MANAGERS AND OPERATORS .

. Written by industry experts for industry professionals, this complete guide to biological nutrient removal (BNR) provides up-to-date information on plant design and operation for managers, operators, consultants, and those training in wastewater engineering. .

. "Biological Nutrient Removal (BNR) in Wastewater Treatment Plants" instructs readers in the theory, equipment, and practical techniques needed to optimize BNR in varied environments, from plants larger than 380 000 m3/d (100 mgd) to plants smaller than 380 m3/d (100 000 gpd), anywhere in the world. The most up-to-date and comprehensive guide ever written on achieving higher standards of water quality through biological nutrient removal, this expert-authored text links practical BNR to all phases of wastewater treatment, covering system design, equipment choices, configuring equipment and processes, monitoring, maintenance, and troubleshooting. .

. For forward-looking wastewater professionals confronting -- or preparing to confront -- more stringent treatment requirements, this manual is an essential tool..

. Today's Technologies and Methods -- Hands-On: . Theory of biological nitrogen and phosphorus removal . Step-by-step evaluation guide to BNR for municipalities and treatment plants. BNR system selection. Process configurations for nitrogen removal, phosphorus removal, ammonia removal, and combined systems. Modeling nutrient removal. Design and configuration of equipment and processes. Sludge bulking, foaming, and fermentation. Chemical use and control. Solids handling and processing. Troubleshooting guides to all processes.Ongoing management of operations and equipment maintenance. Student workbook for training programs or self-instruction.

. INSIDE:
. Overall Process Considerations * Nitrification and Denitrification * Enhanced Biological Phosphorus Removal * Combined Nutrient Removal Systems * Models for Nutrient Removal * Sludge Bulking and Foaming * Chemical Addition and Chemical Feed Control * Sludge Fermentation * Solids Handling and Processing * Laboratory Analyses * Optimization and Troubleshooting Techniques * Instrumentation and Automated Process Control * Student Workbook.

Clarifier Design: WEF Manual of Practice No. FD-8 (Hardcover, Ed): Water Environment Federation Clarifier Design: WEF Manual of Practice No. FD-8 (Hardcover, Ed)
Water Environment Federation
R3,282 Discovery Miles 32 820 Shipped within 7 - 11 working days

THE COMPLETE GUIDE TO WASTEWATER CLARIFICATION.

. Written by some of the world's most knowledgeable authorities on wastewater clarification, "Clarifier Design" helps readers make fully informed decisions about this essential step in the wastewater cleansing process. .

. Contrasting traditional methods with the many leading-edge choices in clarifier design approaches, the text establishes criteria and protocols for decision-making. For potential buyers evaluating clarifier effectiveness for their particular situations, for vendors wanting to demonstrate the superiority of their designs, for designers creating new variations or products, for anyone who needs to compare the many types and configurations of clarifiers that are available and in use -- there is no better choice that than this manual from the Water Environment Federation..

. "Clarifier Design" is the most complete and useful treatise available on wastewater clarification. Its demystifying explanations will help everyone approach the process and its technologies with more understanding, confidence -- and clarity..

. A One-Stop Reference Source for the Entire Wastewater Clarification Process . Traditional and leading-edge methods. Objective approaches to analyzing and improving clarifier design. Latest information on software modeling. Complete instructions for field testing. Step-by-step evaluation based on resources and needs. New Design Efficiency (DE) standard for wastewater clarifiers. Integration with solids-handling facilities. Wastewater clarification approaches in Europe . Circular and rectangular clarifiers. "Nuts and bolts" details on processes and equipment. Key parameters for clarification. Performancemonitoring and control equipment. Assessing vendor claims. Demonstrating product superiority.

. INSIDE:
. Introduction * Primary Clarifier Design Concepts and Considerations * High-Rate And Wet Weather Clarifier Design Concepts And Considerations * Secondary Clarifier Design Concepts and Considerations * Tertiary Clarifier Design Concepts and Considerations * Mathematical Modeling of Secondary Settling Tanks * Field Testing * Circular Clarifiers * Rectangular Clarifiers * Clarifier Performance Monitoring and Control * International Approaches * Interaction of Clarifiers with Other Facilities. . . . .

Membrane Systems for Wastewater Treatment (Hardcover, Ed): Water Environment Federation Membrane Systems for Wastewater Treatment (Hardcover, Ed)
Water Environment Federation
R1,789 Discovery Miles 17 890 Special order

MEMBRANE SYSTEMS FOR WASTEWATER TREATMENT.

. This expansive guide provides up-to-date information on membrane applications for wastewater treatment. Written by key experts in wastewater treatment and membrane system applications, the text grounds readers in theory and supplies in-depth coverage of practice. The book focuses on achieving higher standards of water quality and provides comprehensive coverage of all types of systems and phases of operation, from system and equipment configurations to routine monitoring, maintenance, and troubleshooting. . For wastewater professionals striving to meet more-stringent treatment requirements, this manual is an invaluable asset..

. Up-To-Date Technologies for Tougher Standards. Covers all applications of membrane systems for wastewater treatment. Water reuse, potability, and upgraded environmental protection standards. Meeting BNR (biological nutrient removal) requirements. Configuration of equipment and processes. Process control parameters. Sampling, analysis, and monitoring recommendations. Troubleshooting guides to all processes. Ongoing management of operations and equipment maintenance.

. INSIDE:
. Membrane Technology Overview * Membrane Bioreactors * Low-Pressure Membranes for Effluent Filtration * Nanofiltration and Reverse Osmosis for Advanced Post-Treatment * Membrane System Applications. . . . . [inside book]. ABOUT THE AUTHOR. THE WATER ENVIRONMENT FEDERATION is a technical and educational organization with members from varied disciplines who work toward the WEF's vision of preservation and enhancement of the global water environment. The WEF network includes water quality professionals from 79 member associations in 30countries. Its headquarters is in Alexandria, Virginia.. . . .

Membrane BioReactors WEF Manual of Practice No. 36 (Hardcover, Ed): Water Environment Federation Membrane BioReactors WEF Manual of Practice No. 36 (Hardcover, Ed)
Water Environment Federation
R2,600 Discovery Miles 26 000 Shipped within 7 - 11 working days

The Definitive Guide to Membrane Bioreactors for Wastewater Treatment

This Water Environment Federation resource presents best practices for the use of membrane bioreactors for wastewater treatment. The book begins with an overview of membrane and biological process fundamentals, followed by coverage of membrane bioreactor system integrated process design. The physical design of features unique to membrane bioreactors and the procurement of membrane equipment are discussed. This authoritative manual also covers the operation of properly designed membrane bioreactor facilities.

"Membrane Bioreactors" covers: Membrane bioreactor capabilities Membrane fundamentals Biological process fundamentals Membrane bioreactor process design Membrane bioreactor facility design Membrane bioreactor membrane equipment procurement Membrane bioreactor operation

Safety Health and Security in Wastewater Systems, Sixth Edition, MOP 1 (Hardcover, 6th edition): Water Environment Federation Safety Health and Security in Wastewater Systems, Sixth Edition, MOP 1 (Hardcover, 6th edition)
Water Environment Federation
R2,151 Discovery Miles 21 510 Shipped within 7 - 11 working days

The Definitive Guide to Safety for the Wastewater Industry

"Safety, Health, and Security in Wastewater Systems," Sixth Edition, provides the critical information necessary for regulatory compliance, reduction of liability, reduction of costs, and prevention of injury and illness. Complete details on biological hazards, confined space entry, personal protective equipment, safe work procedures, hazardous waste management, and other essential topics are included. The most comprehensive volume on the subject available, this Water Environment Federation resource is based on real-world experience and best work practices.

"Coverage includes: " Introduction to health and safety Safety and health programs Identifying and predicting hazards Safety and health in wastewater treatment plant operation Safety and health in wastewater treatment plant maintenance Safety and health in sewer collections and remote locations Commercial and powered industrial vehicles Biological hazards at wastewater treatment facilities Hazardous materials and waste management Personal protective equipment Coordination with other agencies and officials Security and emergency preparedness

Design of Water Resource Recovery Facilities, Manual of Practice No.8, Sixth Edition (Hardcover, 6th edition): Water... Design of Water Resource Recovery Facilities, Manual of Practice No.8, Sixth Edition (Hardcover, 6th edition)
Water Environment Federation
R5,385 R4,906 Discovery Miles 49 060 Save R479 (9%) Shipped within 7 - 12 working days

Complete Coverage of the State-of-the-Art in Water Resource Recovery Facility Design Featuring contributions from hundreds of wastewater engineering experts, this fully updated guide presents the latest in facility planning, configuration, and design. Design of Water Resource Recovery Facilities: WEF Manual of Practice No. 8 and ASCE Manuals and Reports on Engineering Practice No. 76, Sixth Edition, covers key technical advances in wastewater treatment, including *Advances with membrane bioreactors applications *Advancements within integrated fixed-film/activated sludge (IFAS) systems and moving-bed biological-reactors systems *Biotrickling filtration for odor control *Increased use of ballasted flocculation *Enhanced nutrient-control systems *Sidestream nutrient removal to reduce the loading on the main nutrient-removal process *Use and application of wireless instrumentation *Use and application of modeling wastewater treatment processes for the basis of design and evaluations of alternatives *Process design and disinfection practices to minimize generation of TTHMs and other organics monitored for potable water quality *Approaches to minimizing biosolids production and advances in biosolids handling, including effective thermal hydrolysis, and improvements in sludge thickening and dewatering technologies *Increasing goals toward energy neutrality and driving net zero *Trend toward resource recovery

Operation of Water Resource Recovery Facilities, Manual of Practice No. 11, Seventh Edition (Hardcover, 7th edition): Water... Operation of Water Resource Recovery Facilities, Manual of Practice No. 11, Seventh Edition (Hardcover, 7th edition)
Water Environment Federation
R4,696 R4,279 Discovery Miles 42 790 Save R417 (9%) Shipped within 7 - 12 working days

The water quality industry's cornerstone text - updated to reflect the latest trends, technologies, and regulations Operation of Water Resource Recovery Facilities (MOP 11), Seventh Edition focuses on the operation, processes, and maintenance of municipal water treatment plants. Now presented in one single volume, this flagship book delivers up-to-date coverage of the transition from wastewater treatment plants to water recovery facilities, and also features a greater emphasis on the principles of WRRF management, troubleshooting, and preventative maintenance. This acclaimed resource represents the most complete, authoritative, and up-to-date reference available to the water treatment industry. * Developed by the WEF Technical Practice Committee so you know you are accessing the most reliable content possible * All the necessary content found in the original 3-volume set, now conveniently presented in one volume * An essential resource for process engineers working at utility plants as well as anyone else working in the wastewater treatment industry * Timely, in-depth coverage of the transition from wastewater treatment plants to water recovery facilities

?Por Que El Agua Vale La Pena? (Hardcover): Water Environment Federation ?Por Que El Agua Vale La Pena? (Hardcover)
Water Environment Federation; Illustrated by Jon Harrison
R343 Discovery Miles 3 430 Shipped within 7 - 11 working days
Pourquoi L'eau En Vaut La Peine (Hardcover): Water Environment Federation Pourquoi L'eau En Vaut La Peine (Hardcover)
Water Environment Federation; Illustrated by Jon Harrison
R343 Discovery Miles 3 430 Shipped within 7 - 11 working days
Why Water's Worth It (Hardcover): Water Environment Federation Why Water's Worth It (Hardcover)
Water Environment Federation; Illustrated by Jon Harrison
R343 Discovery Miles 3 430 Shipped within 7 - 11 working days
?Por Que El Agua Vale La Pena? (Paperback): Water Environment Federation ?Por Que El Agua Vale La Pena? (Paperback)
Water Environment Federation; Illustrated by Jon Harrison
R298 Discovery Miles 2 980 Shipped within 7 - 11 working days
Pourquoi L'eau En Vaut La Peine (Paperback): Water Environment Federation Pourquoi L'eau En Vaut La Peine (Paperback)
Water Environment Federation
R255 Discovery Miles 2 550 Shipped within 7 - 11 working days
Why Water's Worth It (Paperback): Lori Harrison Why Water's Worth It (Paperback)
Lori Harrison; Illustrated by Jon Harrison; Water Environment Federation
R256 Discovery Miles 2 560 Shipped within 7 - 11 working days
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