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  • What is defined as a structure (home or place of business)?

    While generally defined as a building, a structure under the structural cleaning program will include only those habitable spaces where indoor occupancy is frequent and regularly occurring on a daily or near-daily basis. Examples of residential structures include primary residences and living spaces, and examples of commercial structures include offices…

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  • Why is cleaning of homes and places of businesses happening?

    Norfolk Southern, with EPA oversight, is providing indoor cleaning to eligible occupants in response to concerns about the impact of the derailment and cleanup work on homes and places of businesses. The cleaning is to address potential dust that may have been generated as part of the train derailment and…

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  • What work still needs to be done at the derailment site?

    Although contaminated soil has been excavated and removed from the derailment site, some additional work remains. Soil sampling continues to check all areas where cleanup operations took place. Stream assessments continue, and culvert clean out has started. Groundwater and drinking water sampling also continues. Expect these investigations and possible additional…

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  • Is my EPA renovator certification accepted in all states and tribal areas?

    Answer: Not necessarily. Whether to accept certification from another jurisdiction is up to the individual state or tribal area. EPA cannot compel states or tribes to adopt programs identical to the Federal program or to establish reciprocity provisions. However, EPA continues to encourage states and tribes that may be considering…

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  • Will boiling my water help?

    No. Boiling water will NOT reduce nitrate levels. In fact, it will make the level of nitrate worse because some of the water will evaporate but the nitrate will not. This increases the concentration of nitrate in water.

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  • Does this mean my home or place of business is contaminated?

    No. However, indoor cleaning is being offered to address potential dust emissions that may have been generated as part of the train derailment and cleanup work. This service is being offered as an additional service to interested members of the community.

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  • My firm is certified by an authorized state. Does this certification allow my firm to work in EPA-administered jurisdictions?

    No. You must apply for and receive EPA certification before offering, performing, or claiming to perform renovations covered by the RRP Rule in EPA-administered jurisdictions. Question Number: 23002-19752 Find a printable PDF copy of all frequent questions pertaining to lead .

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  • Is it safe to shower or bathe in water if it is over the nitrate MCL of 10 mg/L?

    Nitrate is only a concern for ingestion (eating and drinking). It is not absorbed through your skin. People who install filter systems for nitrate often install them just for their kitchen sink faucet, and they use that faucet for their cooking and drinking water.

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  • What should I do if my water has elevated nitrates and/or exceeds the MCL?

    If nitrate exceeds the MCL of 10 mg/L, you should find a safe alternative drinking water supply. The quickest thing to do is to begin using bottled water for drinking. Another option is to install a treatment that will remove nitrate from your water such as reverse osmosis or a…

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  • Why is nitrate contamination a concern?

    Nitrate is an acute contaminant, meaning that health effects can occur immediately (I.e. within hours or days) of short-term exposure. Too much nitrate in your body makes it harder for red blood cells to carry oxygen. While most people recover quickly, this can be very dangerous for infants and some…

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  • If I completed renovator training in an authorized state, what do I need to do to work for an EPA certified firm in EPA-administered jurisdictions?

    Answer: There are no additional requirements. To become a certified renovator or certified dust sampling technician, an individual must successfully complete the appropriate course accredited by EPA or by an EPA-authorized state or tribal program. The course completion certificate serves as proof of certification. For a list of states, tribes…

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  • I use a carbon filter. Will this help?

    Activated carbon filters, such as those in a “Brita” water pitcher, DO NOT remove nitrates.

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  • What are the possible health effects of nitrate exposure?

    Short-term: Excessive levels of nitrate in drinking water have caused serious illness and sometimes death. The serious illness in infants is due to the conversion of nitrate to nitrite by the body, which can interfere with the oxygen-carrying capacity of the child’s blood leading to blue baby syndrome (methemoglobinemia). This…

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  • What is nitrate?

    Nitrate (NO3) is a compound of nitrogen and oxygen naturally found in air, soil, water, and some food. Plants and animals require nitrates for their survival and growth, and the human body also produces this compound. In industry, nitrate is used as fertilizers for crops and lawns. Additionally, nitrates are…

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  • Why are you cleaning homes and places of business?

    Since the derailment, property owners and renters have voiced concerns about the impact of the derailment and cleanup work on their homes and place of business. In response, Norfolk Southern, with EPA oversight, is providing indoor cleaning to interested, eligible occupants.

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