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Instructional Materials for 
Environmental Studies and
Industrial Hazards:

Water and Wastewater

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WTW001 
AFFLUENT EFFLUENT
Video
The various forms of waste water treatment are viewed as they are used in some of the most successful waste water treatment facilities in the country.  An excellent presentation of the practical applications available from ecological studies.  31 minutes.

WTW003 
THE ALTERNATIVE IS   CONSERVATION
Video
Discusses water conservation as a way of lowering demands on water supply and lowering wastewater volume.  It also discusses the use of low-flow devices and composting equipment. 20 minutes.

WTW005 
THE CARE AND FEEDING OF  YOUR SEPTIC TANK
Video
Discusses the basic workings of a conventional septic system and its operation and maintenance.  Steps are given that can prolong the life of septic systems.  The idea of central septic system management is discussed.  16 minutes.

WTW007 
CLEAN WATER
Video
We use water for drinking, cooking, washing, cooling and never consider that every day, in hundreds of ways, each of us is contributing to water pollution.  Compared to industrial pollution, the individual’s contribution is small, but collectively, “personal” pollution exacts a tremendous cost to the environment.  This program looks at the unsuspected environmental and health problems people unwittingly create at home, and offers suggestions on purchasing, storing, and using common household products and non-toxic alternatives.  29 minutes.

WTW009 
CLEAN WATER:  QUEST FOR QUALITY
Video
A case study approach based on community experiences in several different sized cities and towns which tells environmentally concerned citizens how their community can best treat its waste water and thereby take one of the most important steps to protect water quality.  24 minutes.

WTW011 
CONSTRUCTION OF RCRA  GROUNDWATER MONITORING  WELLS
Video
Provides a comprehensive overview of the entire ground water monitoring process.  It demonstrates a monitoring well construction and sampling technique.  Illustrates how to obtain representative groundwater samples and avoid potential contamination of those samples.  12 minutes.

WTW013 
CONTROLLING HAZARDOUS  ENERGY:  LOCKOUT/TAGOUT
Video

Program describes the main lockout/tagout procedures for servicing water pollution control equipment.  The main energy sources that are discussed include electrical, mechanical, thermal, pressure, and stored energy.  The hazards associated with each of these five types of hazardous energy sources and ways to prevent injury are covered.  12 minutes.

WTW015 
DEVELOPMENT OF WATER  QUALITY CRITERIA AND THEIR RELATIONSHIP TO WATER   QUALITY STANDARDS
Video
Offers a detailed explanation of the criteria used to judge water quality.  Explores technical considerations in determining whether there is a need to place limits on pollutants in order to protect aquatic life and human health.  15 minutes.

WTW017 
DOWN TO THE LAST DROP
Video
This program examines techniques of water management in Israel and the U.S. where water strategy utilizes both conservation and resource management.  It also looks at a comprehensive planning project where a newly discovered source of groundwater has provided the opportunity for charting the development, protection, and management from the very start.  26 minutes.

WTW019 
DRINKING WATER:  QUALITY ON TAP
Video

Drinking water is essential to our lives.  Yet most of us tend to take our drinking water for granted.  This pro-gram presents an informative look at how the source of water, the supply, the treatment and the delivery systems work together to provide quality drinking water.  Mixing visuals with narration each critical element of the chain is examined in detail.  Includes a detailed 46-page study guide featuring a summary of the information in the video and Federal water laws, study questions, a glossary of terms, a resource list, and a list of organizations involved with water quality.  25 minutes.

WTW021 
ECONOMIC CONSIDERATIONS IN WATER QUALITY STANDARDS
Video

Provides in-depth coverage of how dischargers demonstrate economic hardship in complying with Water Quality Standards and how states evaluate their claims.  Discusses the concept of “substantial and widespread economic and social impact”, attainability analysis, variances in water quality standards, and alternatives such as pollution prevention and recycling.  15 minutes.

WTW023 
EFFECTS OF WATER POLLUTION
Video
Seals and dolphins are perhaps the most publicized victims of our use of the oceans as a garbage dump.  But the lesson of the seals extends beyond this disaster to the realization that any pollutant introduced into the water enters the food chain and can ultimately affect all life on earth.  19 minutes.

WTW025 
EPA’S ANTIDEGRADATION  POLICY FOR WATER
Video
This Video addresses the controversial issue of antidegradation.  It describes what it is, where the policy came from, what role it plays and how it works.  Discusses when bodies of water are allowed to deteriorate, when they are not, which ones have special status, and what role the public plays in determining realities.  15 minutes.

WTW029 
FLUSH TOILET, GOODBYE
Video

The construction and maintenance of centralized wastewater treatment plants swallow up enormous amounts of money, energy, raw materials and fresh water, and it’s still not possible to purify the wastewater properly.  For his home, physicist Pierre Lehmann has designed a composting toilet.  He cleanses his wastewater in a pond where water plants and billions of microbes remove impurities.

WTW033 
GROUNDWATER CLEANUP
Video

Uses computer-animated graphics to instruct employees in the techniques for preventing contamination of soil, surface waters, or underlying ground waters in the event of a petroleum leak.  Installing and maintaining a recovery system, migration of petroleum underground, and the evaluation and recovery of petroleum in soil and groundwater are also covered.  28 minutes.

WTW045 
GROUND WATER SAMPLING
Video

Designed to train field personnel on methods for accurately obtaining representative groundwater samples.  In-depth instruction is provided on chain of custody, planning,  preparing, sampling and shipping of groundwater samples.  The bailing and bladder methods of sampling are covered and detailed instruction is provided on purging, evacuation, and stabilization.  28 minutes.

WTW047 
HILLSIDE INSTALLATION OF  SEPTIC SYSTEMS
Video

Provides steps that should be followed when installing septic systems on a hillside.  12 minutes.

WTW053 
MAINTAINING WATER QUALITY IN THE DISTRIBUTION SYSTEM
Video

A 5-step quality assurance program.  Outlines specific actions utilities can implement to help maintain water quality throughout their distribution systems
21 minutes.

WTW059 
MUNICIPAL WASTEWATER:  AMERICA’S FORGOTTEN RESOURCES
Video

Discusses the use of land treatment as an alternative treatment for municipal wastewater.  It compares conventional treatment systems with land treatment systems in terms of economy, construction cost, operation, and maintenance.   35 minutes.

WTW061 
NATURAL WASTE WATER  TREATMENT
Video

To protect our groundwater and rivers from impurities, waste water has to be cleaned properly.  Our modern sewage treatment plants are expensive, inefficient and not very effective.  This video features small decentralized sewage treatment facilities which use the natural purifying characteristics of marsh plants.  These facilities are operating successfully in Germany, Switzerland, and the Netherlands.

WTW063 
PLANNING WASTEWATER  TREATMENT FOR SMALL COMMUNITIES
Video

This 15-minute Video discusses the need for appropriate technology in planning wastewater facilities for small communities.

WTW065 
SAND FILTER TECHNOLOGY
Video

This nine-minute Video discusses the advantages of sand filters over conventional treatment systems, emphasizing design, operation and management, planning, and cost.

WTW067 
SAVING THE WATER
Video

Human activity is disrupting the natural cycle through which water is distributed and purified.  The first case study in the video examines how industrialization and urbanization affect water quality along the Rhine.  The second looks at the impact of rising and then conflicting demands on the water of the Colorado River.  15 minutes.

WTW069 
SEPTIC SYSTEM AND THE  SANITARIAN
Video

This Video explains health department inspection procedures for septic tank systems.  It also discusses common problems and suggested corrections for the construction of septic tanks.  10 minutes.

WTW071 
SMALL DIAMETER EFFLUENT SEWERS
Video
This Video differentiates between conventional sewers and small diameter effluent sewers.  It is a good tool for educating townspeople, local officials and others about small diameter sewers.

WTW073 
TOTAL SUSPENDED SOLIDS
Video
This 20 minute training Video describes the analyses and techniques for performing Total Suspended Solids (TSS) tests.  20 minutes.

WTW077 
UPGRADING WASTEWATER FOR  SMALL COMMUNITIES
Video

Discusses various technologies that may be appropriate for upgrading small community wastewater treatment systems.  20 minutes.

WTW079 
WASTEWATER EQUIPMENT LOCKOUT PROCEDURES
Video
The proper procedures to lockout equipment at a waste water treatment plant are presented.  Workers demonstrate the step-by-step procedures for locking out/tagging out primary and secondary energy sources.  Special cases for lockout are also covered.  14 minutes.

WTW081 
WASTEWATER TREATMENT
Video Series

This series demonstrates how wastewater treatment systems work and how they can be most effectively operated.  It consists of 4 one-hour Videos, 1 student workbook, and 1 instructor’s guide.

WTW082 
Operator Introduction to  Wastewater Treatment
Video
Designed to give entry-level and junior treatment plant operators a practical introduction to the basic principles of wastewater stabilization.  The video is divided into 4 sections:

bulleta.   The Need for Wastewater Treatment
 Quantities and characteristics of wastewater; the purposes and objectives of treatment; biochemical oxygen demand; lack of oxygen; effects of low dissolved oxygen; average wastewater production; sources and characteristics of wastewater:  physical, chemical and microbiological.
bulletb.   Wastewater Collection Systems
 Sewer systems; combined and separate sanitary sewers; separate storm sewers; gravity sewers; pumping systems; wastewater flow and strength variations; industrial wastewater; flow measurement;  open channels and partially-filled pipes; Parshall flumes.
bulletc.   Introduction to Wastewater Treatment Processes
 Objectives and basic methods; preliminary, primary and secondary treatment; lagoons; trickling filters; rotating biological contactors;  activated sludge; advanced (tertiary) treatment; disenfection; sludge digestion.
bulletd. Wastewater Sampling, Role and Function of Treatment Plant Operators
 Grab and composite samples; sampling points and precautions to be taken; record keeping; preventive maintenance; safety awareness.

70 minutes.

WTW083 
Activated Sludge and  Clarification Processes
Video
This Video examines each aspect of these processes and describes the important equipment that the operator needs to know:

bulleta.   General Biological Treatment Requirements
 The role of biological treatment; food and oxygen supply; nutrients; temperature; toxic substances; food loading.
bulletb.   The Activated Sludge Process
 Basic process and variations; conventional activated sludge; high rate or modified; contact stabilization; extended, step and tapered aeration; complete mixing; Kraus process; oxygen-activated sludge.
bulletc.  The Control of Activated Sludge Processes
 Quantity and growth of micro-organisms in the system; mixed liquor suspended solids (MLSS); food-to-microorganisms ratio; sludge volume index; sludge recycle ratio; solids retention time (SRT); oxygen control; control of operating problems; general appearance of the plant.
bulletd.   Clarification Processes
 Factors affecting settling; rectangular, circular and square clarifiers; operating parameters; detention time; surface loading rate (SLR); weir overflow rate; clarifier operation;  temperature effects; short-circuiting; excessive floating material; improper sludge removal; clarifier maintenance.

90 minutes.

WTW084 
Rotating Biological  Contactors and Trickling Filters
Video

Two alternative treatment systems:  trickling filters and rotating biological contactors; operating principles; operator controls and necessary procedures for safe and effective operation.

WTW085 
SLUDGE HANDLING
Video

Processing, handling and disposal of sludges are outlined with special emphasis on chemical conditioning, thickening, aerobic digestion, sludge dewatering, anaerobic digestion, and final disposal alternatives.

WTW087 
WASTEWATER MANAGEMENT IN  UNSEWERED AREAS
Video
Alternatives to conventional septic tank/soil absorption systems are explained in this 25 minute Video.  Recalculating sand filters, cluster and absorption systems and sand mounds are discussed, as are system management and evaluation techniques.

WTW089 
WATER AND LIFE:  A DELICATE  BALANCE
Video

This program shows the role of water in the human body, the cycles of water, industrial water consumption and pollution, ways of increasing water supply, and a reminder that water is not necessarily a renewable resource.  13 minutes.

WTW091
WATER PUMPS
Video
This 30-minute Video presents a technical review of land application and agriculture as alternatives to the centralized treatment plant.  Spray irrigation, overland flow, and free surface and subsurface wetlands are discussed.

Alternative Energy River Pollution
Environmental Issues, Ecology, and Conservation
Marine Ecology  Industrial Hazards
Environmental Audits  Nuclear Issues
Waste Disposal and Recycling Water and Wastewater

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