Also known as: SO2, sulfurous anhydride, sulfuroxide, sulfurous oxide, sulfurous acid anhydride

Sulfur dioxide, SO2, is a colormuch less gas or liquid via a strong, choking odor. It is created from the burning of fossil fuels (coal and also oil) and also the smelting of mineral ores (aluminum, copper, zinc, lead, and iron) that contain sulfur.

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Sulhair dioxide dissolves quickly in water to create sulfuric acid. Sulfuric acid is a major component of acid rain. Acid rain deserve to damage forests and also plants, readjust the acidity of soils, and make lakes and streams acidic and also unsuitable for fish. Sulfur dioxide also contributes to the decay of building products and also paints, including monuments and statues.

Many of the sulhair dioxide released into the atmosphere comes from electric utilities, particularly those that burn coal. Some various other sources of sulhair dioxide incorporate petroleum refineries, cement manufacturing, paper pulp production, and metal smelting and also handling facilities. Locomotives, huge ships, and some non-road diesel devices presently burn high-sulfur fuel and also release sulhair dioxide right into the air. In nature, volcanic eruptions can release sulhair dioxide right into the air.

Some dried fruits are maintained utilizing SO2 to proccasion discoloration of the fruit. SO2 is likewise offered in bleaching products and also as a fumigant. In residences, sulhair dioxide gas can outcome from tobacco smoke, imcorrectly or inadequately vented gas appliances (such as stoves, varieties, heating systems, or clothing dryers), gas or kerosene heaters, wood or coal stoves, vehicle exhaust from attached garperiods, and also malfunctioning chimneys.

You deserve to be exposed to SO2 by breathing it in the air or obtaining it on your skin. People who live near industrial sources of sulhair dioxide might be exposed to it in the air. You are most most likely to be exposed if you job-related in industries wright here SO2 is developed, such as copper smelting or power plants, or wbelow it is used in the manufacturing of sulfuric acid, paper, food preservatives, or fertilizers. People through malfunctioning appliances or chimneys in their houses might also be exposed to sulfur dioxide.

Most SO2 exposures are caused by civilization breathing contaminated outdoor air. Therefore, limit your activities outdoors once you recognize that air pollution levels are high. The EPA and the Department of Natural Reresources (DNR) problem air top quality advises for high pollution days. People with existing respiratory difficulties, such as asthma, should pay unique attention to these air advisories. Special care must be taken through boy asthmatics to limit their outdoor activities during high pollution days.

To reduce the opportunity of expocertain to sulhair dioxide led to by a source in your residence, you can:

Use gas appliances via electronic (pilotless) ignition. This will get rid of the consistent low-level pollutants from pilot lights.Use exhaust fans over gas stoves that are vented to the outdoors instead of fans that recirculate the air indoors. Keep the steel mesh filters on your exhaust fans clean (a lot of have the right to be run with the dishwasher).Choose vented appliances whenever before possible, and make sure they are vented to the outdoors. Have a trained skilled inspect your appliances each year.Never warm your residence with a gas range or range.Do not idle your automobile in the garage.Do not smoke indoors.

Short-term expocertain to high levels of sulfur dioxide have the right to be life-threatening. Generally, exposures deserve to cause a burning sensation in the nose and also throat. Also, expocertain can cause difficulty breapoint, consisting of alters in the body"s capacity to take a breath or breathe deeply, or take in as much air per breath. Long-term exposure to sulfur dioxide deserve to reason alters in lung attribute and aggravate existing heart disease.

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People through asthma might be sensitive to changes in respiratory effects due to SO2 exposure at even low concentrations. Sulhair dioxide is not classified as a huguy carcinogen (it has actually not been displayed to reason cancer in humans).