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We provide environmental, chemistry and hazardous materials news, information & resources including: in depth articles; a detailed periodic table of elements; chemical database; hazmat emergency response guides; hazmat placarding information; and much more.

EnvironmentalChemistry.com is more than just a great reference resource; we strive to have a journalistic aspect based on hard science with articles that really dig into issues and are written by highly qualified scientists like Wilma Pretorius, PhD.

Articles and resources are divided into three major subject areas (environmental issues, chemistry resources, and hazardous materials), which is further broken down into sub-topics. For instance our environmental section is sub-divided into the following sections: Climate Change, Consumer Health & Food Safety, Energy, Environmental Disasters, Politics and Public Policy, Pollution, Sustainablity, Waste & Recycling.

Environmental Issues

• Consumer Health & Food Safety Concerns
  • ADA Recommendation for Fluoride in Infant Diets
    Based on American Dental Association recommendations, many infants and small children may be getting too much fluoride in their diets, which may pose long term health risks including fluorosis.
  • Asbestos
    A three part series on its history, chemical and physical properties, uses, health hazards and the legal implications of asbestosis & mesothelioma.
    • Asbestos, a Brief History its Uses & Health Risks
    • Asbestos, its Chemical & Physical Properties
    • Asbestos: A Manufacturing Health Hazard Dating to Prehistoric Times
  • Dry-Cleaning Chemicals
    • Looking Good, Feeling Bad; or, What's the Problem with Perc?
      According to the EPA, we all may be exposed to perc because it is found in the air and drinking water nationwide.
    • Are there Realistic Dry-Cleaning Alternatives to Perc?
      The vast majority of America's dry cleaners use perc - are there viable alternatives? The three most prominent non-perc cleaning options are examined and compared.
  • DuPont's Teflon Cover-up
    Court records and internal documents have shown that DuPont has been covering up the true dangers of Teflon for decades.
  • Neurodevelopmental Disorders in Children: Autism and ADHD
    While the generally accepted causes of neurodevelopmental disorders like Autism and ADHD include genetic and environmental factors, a wide range of toxic chemicals in the environment have also been associated with these disorders.
  • PCBs in the food you love
    PCBs a notoriously hazardous group of chemicals have infiltrated our food chain.
  • Seafood Safety
    • Mercury in Fish vs. the Benefits of Fish Oils
      In spite of the health benefits provided by omega-3 fatty acids found in fish oils, people are decreasing fish in their diets due to high levels of mercury found in some fish.
    • Norwegian Farmed Salmon Raises Global Concern
      The quality and safety of Norwegian farmed salmon has recently come into question with a Russian ban, illegal nitrate use and evidence of a Norwegian cover up. A senior scientist in seafood safety for the Norwegian government has exposed an orchestrated cover up of illegal nitrate use and cadmium contamination in farm raised fish.
  • The Dangers of Lawn Chemicals at Home
    Each year consumers paint their lawns with various fertilizers, herbicides and pesticides. These chemicals can be deadly and it is important to use them correctly.
• Energy & Sustainablity
  • Biofueling the future
    Whatever their motivation - be it energy independence for the U.S. or an attempt at fighting climate change for Europe - world governments are now heavily subsidizing biofuels.
  • CO₂ Pollution and Global Warming
    Why is carbon dioxide considered pollution and how do scientists know that humans are responsible for the increasing levels of CO2 in the atmosphere and global warming?
  • Compact Fluorescent Lights (CFLs): Are They Worth the Switch?
    Do compact Fluorescent lights really save money, how well do they perform? See what we found out, then use our Javascript calculator to calculate your potential savings.
  • Global Trends in Energy Technology Innovation
    In a mere 100 years we have consumed the equivalent of millions of years' of years' worth of solar energy captured by ancient microorganisms and plants, and locked up in vast oil, gas and coal reserves which are being rapidly depleted. Inevitably, we must solve our energy problems in ways that are both profitable and environmentally aware.
  • Hydrogen Fuel Cells: Energy of the Future
    Energy sources of the future will have to be cleaner and more efficient than current sources - hydrogen fuel cells fulfill these requirements; however, several challenges remain before we will see wide-spread commercialization.
• Environmental Disasters
  • Chernobyl
    • Chernobyl Revisited
      In 1996 we revisited the Chernobyl disaster and looked at what the impacts were ten years on.
    • Agricultural and Environmental Impact
      Agricultural and Environmental Impact of the Chernobyl disaster
    • A Turning Point
      Chernobyl was a real turning point for nuclear energy.
  • From Bhopal to Hazardous Waste Compliance
    Why would anyone choose to work in the hazardous waste industry?
  • Love Canal NY: Grownups Don't Do Blue Goo
    What was it like growing up in Love Canal NY, which became one of the Superfund Act's first Superfund hazardous waste site.
  • New Orleans, Hurricane Katrina & the Oil Industry
    New Orleans communities were destroyed and lives uprooted as water came cascading onto the Bayou.00Did the damage have to be so devastating?
• Politics and Policy
  • Environmental Justice and the NIMBY Principle
    In whose backyard does our hazardous waste end up?
  • Prairie Dogs: Small mammal, big controversy
    • Prairie Dogs: A Threatened Species or Public Health Nuisance?
      In the Midwest of the United States the matter of whether prairie dogs are a threatened species or an over populated public health nuisance that causes severe economic damage has been raging for decades.
    • Prairie Dog Control: Non-Lethal Techniques
      A discussion of differenct non-lethal prairie dog control measures.
    • Prairie Dog Control: Lethal Techniques
      A discussion of differenct lethal prairie dog control measures.
    • Can Prairie Dogs be Managed Utilizing Reconciliation Ecology?
      The concept of reconciliation ecology is to accommodate wild species within a human modified or occupied landscape. So how can this be applied to prairie dog management?
  • Pseudoscience: A Threat to Our Environment
    Pseudoscience that threatens the integrity of science in America.
  • Sorting out Science from Junk Science
    Do you know how to separate science from pseudoscience?00Many websites are sponsored by organizations that have specific agendas; when evaluating a website, there are several questions you should ask.
• Pollution - Air
  • Effects of Air Pollution on your health
    Air pollution caused by products you use every day can harm your health.
  • Clean Air Act Contributing to Mercury Problem
    Clean Air Act Amendments of 1970 and 1977 Set the Stage for the Mercury Calamity of the 21st Century.
  • The Heat facing Outdoor Wood Furnaces & Boilers
    Emissions from outdoor wood burning stoves drift across property lines raising health concerns for neighbors.
• Pollution - Water
  • PCBs in New York's Hudson River
    Many parties are responsible for the decades-long PCB contamination of the Hudson River. Who must ultimately pay the price for cleanup? Forensic chemistry helps identify the main polluter and pollutant.
  • Increased Mercury Levels Attributed to Industrial Activities
    Outdated coal fired powerplants are contributing to increased mercury levels in lakes and streams.
  • Environmental Pollution of the Concord River
    In Massachusetts, the Concord River, along with its tributaries, serve as an example of the implications that pollutants can have on our environment.
• Waste & Recycling
  • Guide to Handling Household Chemicals
    There are a lot of dangerous chemicals in your home. Here are some things to do to make it safer.
  • How Well Do You Know Recycled Paper?
    Just like anything else, the recycled paper you buy may not always be what it seems.
  • Protecting Wildlife from Trash
    Many municipal landfills have the situation well in hand; do you?
  • Plastics - From Recycling Bin to New Product
    Where do recyclable plastics go? If a plastic makes it into the recycling loop, it will go through many processes before it emerges as a recycled product.
  • RoHS: Europe's Initiative to Control Technological Waste
    What will be done with the debris of the information age? The European Union (EU) member states are taking action and holding manufacturers responsible for the hazardous materials in their products.
  • Treatment of Biohazardous Waste
    Gives insight as to how medical waste is disposed of in America.
  • The History of Waste
    Do you want to be a Garbologist?

More articles and resources listed below ads

Chemistry

• Articles
  • Anatomy of the Atom
    Explains the structure of atoms and how this affects the way they interact with each other.
  • The Chemistry of Polychlorinated Biphenyls
    PCB, The Manmade Chemicals That Won't Go Away
  • Molar Calculations and Javascript Calculator
    Explains how to calculate molar mass, and has Javascript molar mass calculator.
  • Stoichiometry: Molarity, Molality and Normality
    Introduces stoichiometry and explains the differences between molarity, molality and normality.
  • What You Do and Don't Know About Fluorine
    Fluoride's derivatives have many uses other than as a mouthwash.
• Reference Resources
  • Chemical Database
    An indexed directory of common chemicals used in industry and household products.
  • Chemistry Dictionary
    Defines many of the technical terms and acronyms used on this site as well as many other terms.
  • Periodic Table of Elements
    Comprehensive data for each element of the periodic table of elements including up to 40 properties, names in 10 languages and common chemical compounds. Information also provided for 3,600 nuclides and 4,400 nuclide decay modes.
    • Sorted By
      • Atomic Radius
      • Boiling Point
      • Covalent Radius
      • Cross Section
      • Crystal Structure
      • Density
      • Electrical Conductivity
      • Eletronegativity
      • Freezing Point
      • Heat of Vaporization
      • Ionic Radius
      • Ionization Potential
      • Mass Average
      • Melting Point
      • Element Name
      • Series
      • Symbol
      • Thermal Conductivity
      • Year of Discovery

Go Green

Going green can save a lot of green (aka money) and energy while helping to protect the environment.

• Comparing Green Building Certifications
  Coming Soon!
• Projects
  • Build it Green Subdivision, Portland Maine
    A four home green subdivision being built by Habitat for Humanity of Greater Portland Maine, which includes two USGBC LEED certified homes and one NAHB Green Building Guidlines certified home.
    • BIG-I
      1,392 sq/ft single story bungalow, three Bedrooms, one bath, frame construction. BIG I is projected to achieve USGBC LEED for Homes Gold certification, it could possibly achieve LEED Platinum certification.
    • BIG-II
      1,298 sq/ft two story insulated concrete form (ICF) home with three bedrooms and one bath. BIG II is projected to achieve USGBC LEED Platinum certification.
    • Sustainable Forest Initiative House
      Four bedroom raised ranch. This home will be certified to the National Association of Home Builder Green Building Guidlines.
    • Interfaith House
      Four bedroom raised ranch. This home will be Maine State Housing Authority green certified.

Hazardous Materials

• Household
  • Guide to Handling Household Chemicals
    There are a lot of dangerous chemicals in your home. Here are some things to do to make it safer.
  • The Dangers of Lawn Chemicals at Home
    Each year consumers paint their lawns with various fertilizers, herbicides and pesticides. These chemicals can be deadly and it is important to use them correctly.
• Industry
  • 2004 ERG (Emergency Response Guidebook)
    An online version of the 2004 ERG which is for first responders during the initial phase of a HazMat incident.
    • List materials by
      • UN Number
      • Material Name
    • Guide Pages
    • Table of Initial Isolation and Protective Action Distances
    • Table of Water-Reactive Materials Which Produce Toxic Gases
    • Notes
      • Introduction to the Table of Initial Isolation and Protective Action Distances
      • Protective Action Decision Factors to Consider
      • How to use the table of initial isolation and protective action distances
  • USDOT's listing of hazardous materials from 49CFR 172.101.
  • USDOT HazMat Transportation Placards
    Images and definitions of hazardous materials placards required by the USDOT when transporting dangerous goods.
    • 1 Explosives
      Class 1 Explosives
    • 2 Compressed Gas
      Class 2 Compressed Gasses
    • 3 Flammable Liquid
      Class 3 Flammable Liquids
    • 4 Flammable Solids
      Class 4 Flammable Solids
    • 5 Oxidizers
      Class 5 Oxidizers
    • 6.1 Poisons
      Division 6.1 Poisons
    • 7 Radioactives
      Class 7 Radioactive Materials
    • 8 Corrosives
      Class 8 Corrosive Liquids
    • 9 Miscellaneous
      Class 9 Miscellaneous
    • Related Markings
      Related Markings
    • Placarding Quiz
      Test your knowledge of USDOT HazMat placarding regulations (49CFR).
  • USDOT HazMat Placards CD & training modules
    Contains clipart versions of hazmat placards. Includes USDOT hazmat transportation training modules as a free bonus.
  • Exceptions, Exemptions and Variances
    All Leniencies are not created equally, what are the differences?
  • FMCSA HazMat Transportion Permit System
    Federal Motor Carrier Safety Administration's hazardous materials transportation permitting system.
  • Is This Material an Explosive Hazard?
    This basic question drive the inquiries into characterizing any hazardous material.

Disclaimer

WARNING: These pages are for general reference and educational purposes only and MUST NOT be used to determine regulatory compliance or relied upon where matters of life and health are concerned. This site and the author do not warrant or guarantee the accuracy or the sufficiency of the information provided and do not assume any responsibility for its use.

To ensure regulatory compliance when transporting hazardous materials or dangerous goods, one must receive proper training and certification from a qualified instructor and refer to a copy of the current year's Code of Federal Regulations Title 49 (49CFR) or your country's shipping regulations. When shipping hazardous cargo by air, one should refer to IATA regulations. In matters regarding workplace safety, one should refer to current OSHA regulations (29CFR) and NIOSH guidelines or your own country's health and safety regulations. No one should ever enter into a hazardous environment without proper training from qualified instructors.

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