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Redoing calculations if RMP*Comp is updated
Will RMP*Comp be updated? If so, would I have to redo calculations I might already have made with an earlier version? No, you do not have to redo your work if you have already completed your consequence analyses. RMP*Comp is based on the EPA's Offsite Consequence Analysis Guidance (OCA Guidance)…
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Different distances to toxic endpoints with different versions of RMP*Comp
I've noticed that for certain chemicals, RMP*Comp gives substantially different distances to the toxic endpoint than previous versions. Why? In the current version of RMP*Comp, we have incorporated new chemical-specific distance tables for ammonia, chlorine, and sulfur dioxide. The generic tables are still used for other chemicals (you can see…
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Distance to endpoint calculations used by RMP*Comp
Does RMP*Comp perform some math or modelling in order to arrive at an endpoint distance, or is it simply interpolating from the tables in the EPA's Offsite Consequence Analysis Guidance (OCA Guidance)? RMP*Comp follows the procedures set out in the OCA Guidance . This means that for some scenarios, the…
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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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If a certified inspector or risk assessor determines that a component was installed post-1978 and is therefore free of lead-based paint, can the renovation firm rely on this determination?
Yes, as long as the renovation firm has obtained a copy of the determination. The firm must retain a copy of the determination for three years after completion of the renovation. Question Number: 23002-18218 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 is EPA doing?
EPA is working with its governmental partners and other stakeholders to investigate and address the issue. Most recently, EPA issued a letter to the state of Minnesota requesting a plan of action to address nitrate contamination in 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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Is a lead-based paint inspection sufficient to determine compliance with requirements of the RRP rule?
Question: Is a lead-based paint inspection, performed by a certified inspector or risk assessor, that includes a written determination that various building components are free of paint or other surface coatings containing lead equal to or in excess of 1.0 milligrams per square centimeter (mg/cm2) or 0.5% by weight sufficient…
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When testing a property for the presence of lead prior to beginning a renovation using an EPA-recognized lead test kit, must I test every component affected by the renovation?
Answer: Yes. Because certified renovator training does not cover sampling protocols, certified renovators using EPA-recognized lead test kits or performing paint chip sampling to determine the applicability of the RRP Rule must test each and every component that will be affected in order to determine that the RRP Rule does…
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How do I have my drinking water tested in the future?
Minnesota Department of Health (MDH) recommends you use an accredited laboratory to test your water. Contact an accredited laboratory to get sample containers and instructions or ask your county environmental or public health services if they provide well testing services. Accredited Labs in Minnesota Accepting Drinking Water Samples from Private…
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RMP*Comp and emergency response
Can I use RMP*Comp for emergency response? No. It's a planning tool. Many other tools are available for response, including ALOHA . You can learn more by reading CAMEO tools for RMP .
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Minimum and Maximum Distance to Endpoint
The Chemical Accident Prevention Provisions require the completion of a worst-case release scenario analysis (40 CFR §68.25). This analysis includes estimating the greatest distance to endpoint as defined by the parameters in §68.22. Is there a required minimum or maximum distance for the distance to endpoint in the worst case…
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I am an owner/agent for an apartment community built prior to 1978. In 2004, testing of a random sample of units were negative for lead paint but positive for lead dust. With the positive lead dust result, are we required to comply with the RRP Rule?
No. As long as the determination that the units are free of lead-based paint was made by an inspector or risk assessor certified by EPA or by an authorized State or Tribal program, renovations in the building are not covered by the Lead Renovation, Repair, and Painting (RRP) Rule…
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