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For most people, food is their largest source of arsenic exposure, although much of this is likely to be in the less dangerous, organic form. Many foods contain arsenic. Foods with the highest levels of arsenic include:

• Seafood
• Rice, rice cereal, and other rice products
• Mushrooms
• Poultry
• Some fruit juices

Rice absorbs more arsenic from soil and water than other crops, so most rice products contain some arsenic. The amount varies depending on the type of rice and where it’s grown. Arsenic exposure from rice can be a concern because it’s widely eaten and used in many foods, including cereal for infants and young children.

Drinking water is a common source of arsenic. Because arsenic does not have a taste, testing for arsenic is required in the US to keep the amount within federal safety standards.

In general, the amount of arsenic are low in drinking water in the US, but they are higher in parts of the western US and some other parts of the world.

Natural arsenic levels tend to be higher in drinking water that comes from ground sources, such as wells, as opposed to water from surface sources, such as lakes or reservoirs.

Arsenic is one of the many harmful compounds found in tobacco smoke. People who smoke or who are around others who smoke can be exposed to arsenic in this way.

Arsenic used to be a common ingredient in many pesticides and herbicides. People who made, transported, applied, or worked around these products might have been exposed to higher levels of arsenic. Inorganic arsenic compounds have not been used in pesticides in the US since 1993. Organic compounds were phased out of pesticides as of 2013, although one exception is used on cotton plants.

Arsenic has not been produced in the United States since 1985, but it is still imported from other countries. Some workers in certain areas that use arsenic, such as copper or lead smelting, wood treating, semiconductor manufacturing, and glass manufacturing, might still be exposed to it by breathing in arsenic fumes and dust. Workplace safety regulations help limit this exposure.

People who live near current or former industrial or agricultural sources of arsenic can be exposed to higher levels by inhaling fumes or eating contaminated food. Exposure can occur through contact with older pressure-treated wood, such as wood used for playground sets or treated with chromated copper arsenate (CCA), which contains arsenic.

Communities that might have contaminated air, soil, or water include those near:

• Wood preservative industries
• Glass factories
• Smelters
• Farm fields or orchards where arsenic pesticides were used

Burning fossil fuels such as coal can also release small amounts of arsenic into the air.

Public drinking water systems in the US are required to test for arsenic and to keep it below 10 ppb. If your drinking water comes from a public source, you can find out about the levels of certain substances in your drinking water, including arsenic, by contacting your local water system. You can also access the for information about drinking water safety.

Common household water filters do not effectively remove arsenic. If you get your water from a private source, such as a well, you might want to have your water tested for arsenic levels. People who live in areas with high levels of arsenic in the water might consider using alternative sources of drinking water, such as bottled water.

Some foods naturally contain more arsenic than others.

Seafood

Although there is often arsenic in seafood, it is mainly in the less harmful organic form. Because of this, no expert agencies recommend limiting the amount of seafood you eat due to arsenic exposure.

Rice and rice products

Some types of rice and rice products contain inorganic arsenic, which can be a risk when eaten often. The FDA has recommended that manufacturers limit inorganic arsenic in infant rice cereals to 100 ppb.

The FDA and the 糖心TV官网 Academy of Pediatrics (AAP) recommend that families eat a wide variety of foods for a well-balanced diet that includes grains such as wheat, barley, and oats. This can help reduce any possible health effects from eating too much of any one type of food.

The FDA says cooking rice in larger amounts of water (similar to how pasta is cooked) and draining the remaining water afterward can lower inorganic arsenic in rice by about half. However, this method can also remove nutrients, especially in white rice. Rinsing rice before cooking has very little effect on arsenic levels and can also remove some nutrients.

Fruit juices

The FDA has found that apple juice has low levels of inorganic arsenic. Due to this, the FDA supports the USDA’s , which recommends that infants under 1 year of age not drink fruit juice.

The AAP has stated that children do not need to drink fruit juice to have a balanced, healthy diet and does not recommend fruit juice for infants younger than 1 year of age.

The AAP also recommends eating more whole fruits and limiting the intake of juice in older children.

Arsenic is present in tobacco smoke, so not smoking and avoiding secondhand smoke can help lower your exposure to it.

If you are concerned about arsenic exposure in your workplace, discuss this with your employee health and safety representative or your employer. You can reduce or prevent exposure by using PPE and using safer work practices. If needed, OSHA can provide more information or assistance.

If you are not sure if a wooden playset contains arsenic, check with the manufacturer. However, if this information is not available, it’s better to be safe and reduce exposure.

Protecting children

The US Consumer Product Safety Commission (CPSC) recommends that children’s hands and other exposed body parts be thoroughly washed with soap and water after playing on all pressure-treated wood playground equipment. It has also been suggested that children not eat while on wooden playground equipment and wash hands before touching food.

Other protections

The CPSC recommends that CCA-treated wood not be used where regular contact with food or animal feed can occur. If you have a garden vegetable planter made with CCA-treated wood, put a plastic liner in it before filling it with soil to reduce exposure to CCA. Also, regularly applying a sealant on existing CCA-treated wood may lower the amount of arsenic released from the wood.

Arsenic can also be released into the air when cutting or burning CCA-treated lumber. If you cut pressure-treated lumber, use PPE and clean up any sawdust promptly. Do not burn pressure-treated lumber.

Proper disposal

The EPA does not currently recommend removal of CCA-treated lumber, but if you decide to remove CCA-treated wood in a playset, deck, or other structure, contact the EPA or your state or local solid waste management offices to get instructions on how to dispose of it safely.