RTR definition
Examples of RTR in a sentence
In this section, we describe the analyses performed to support the proposed decisions for the RTR and other issues addressed in this proposal.
This information includes an overview of the RTR program and links to project websites for the RTR source categories.
Although the development of the RTR emissions dataset involved quality assurance/quality control processes, the accuracy of emissions values will vary depending on the source of the data, the degree to which data are incomplete or missing, the degree to which assumptions made to complete the datasets are accurate, errors in emission estimates, and other factors.
On balance, considering the directional nature of the uncertainties commonly present in ambient concentrations estimated by dispersion models, the approach we apply in the RTR assessments should yield unbiased estimates of ambient HAP concentrations.
In using a model to estimate ambient pollutant concentrations, the user chooses certain options to apply.For RTR assessments, we select some model options that have the potential to overestimate ambient air concentrations (e.g., not including plume depletion or pollutant transformation).
This information includes an overview of the RTR program, links to project websites for the RTR source categories, and detailed emissions and other data we used as inputs to the risk assessments.
Following publication in the Federal Register, the EPA will post the Federal Register version and key technical documents at this same website.Additional information is available on the RTR website at https://www.epa.gov/stationary-sources-air-pollution/risk-and-technology-review-national- emissions-standards-hazardous.
Under the CASPR Conforming Changes, Vineyard Wind would not have been precluded from utilizing the RTR exemption.
However, the RT(R) should be mindful that each student must complete a minimum number of competencies each semester.
Estimates of total HAP risk from emission sources other than those that we have studied in depth during this RTR review would have significantly greater associated uncertainties than the source category or facility-wide estimates.