# RegPermit corpus search: "PSD applicability major source thresholds" 8 results. ### 1. APG-309 *Virginia · guidance* > Virginia DEQ Air Guidance / APG-309 Air Permitting Guidelines - New and Modified PSD Sources Page 2-2 cases (e.g. for certain CFC emissions) EPA may be developing a different threshold. The following are six basic steps that can be followed to determine PSD applicability to new sources. Step 1 – Define the Source Before applicability can be determined, the stationary source must be defined. A stationary source generally includes all pollutant emitting activities which belong to the same… **Full text:** https://data.regpermit.com/chunk/vadeq%2Fgdoc-5172%403-af541cdc7368 ### 2. Form PI-1 General Application - 25 FIN version *Texas · official* > Texas / TCEQ Standard Air Permits / Form PI-1 General Application - 25 FIN version Step 2 Determination: The current sitewide PTE for each regulated pollutant is below the associated major source threshold. The site is currently a minor source. If there are sources at the site other than those in the Unit Types - Emission Rates sheet, remember to attach a list of authorization numbers, FINs, EPNs, and PTEs. Continue to the next step. 0 Step 3: Determine if the project emissions… **Full text:** https://data.regpermit.com/chunk/tceq%2Fstandard-permit%2Fform-pi-1-general-application-25-fin-version-3f8416232e20%409-bb3317b54095 ### 3. NSR Workshop Manual (Draft 1990)(pdf) *Federal (CFR / EPA) · guidance* > NSR Workshop Manual (Draft 1990)(pdf) D R A F T OCTOBER 1990 Element 5 - Determine if source is major by comparing its potential emissions to appropriate major source threshold ! Major if any pollutant emitted by defined source exceeds thresholds, regardless of area designation, i.e., attainment, nonattainment, or noncriteria pollutants ! Individual unit is major if classified as a source in one of the 28 regulated source categories… **Full text:** https://data.regpermit.com/chunk/epa%2Fnsr%2Fnsr-workshop-manual-draft-1990-pdf-b76ec2ae45f6%23doc%4030-796ba46a025e ### 4. NSR Workshop Manual (Draft 1990)(pdf) *Federal (CFR / EPA) · guidance* > NSR Workshop Manual (Draft 1990)(pdf) D R A F T OCTOBER 1990 Element 5 - Determine if source is major by comparing its potential emissions to appropriate major source threshold ! Major if any pollutant emitted by defined source exceeds thresholds, regardless of area designation, i.e., attainment, nonattainment, or noncriteria pollutants ! Individual unit is major if classified as a source in one of the 28 regulated source categories… **Full text:** https://data.regpermit.com/chunk/epa%2Fnsr%2Fnsr-workshop-manual-draft-1990-pdf-b76ec2ae45f6%23doc%4030-ac3a08b8999f ### 5. NSR Workshop Manual (Draft 1990)(pdf) *Federal (CFR / EPA) · guidance* > NSR Workshop Manual (Draft 1990)(pdf) D R A F T OCTOBER 1990 Element 5 - Determine if source is major by comparing its potential emissions to appropriate major source threshold ! Major if any pollutant emitted by defined source exceeds thresholds, regardless of area designation, i.e., attainment, nonattainment, or noncriteria pollutants ! Individual unit is major if classified as a source in one of the 28 regulated source categories… **Full text:** https://data.regpermit.com/chunk/epa%2Fnsr%2Fnsr-workshop-manual-draft-1990-pdf-b76ec2ae45f6%23doc%4030-57917e27e861 ### 6. NSR Workshop Manual (Draft 1990)(pdf) *Federal (CFR / EPA) · guidance* > NSR Workshop Manual (Draft 1990)(pdf) D R A F T OCTOBER 1990 Element 5 - Determine if source is major by comparing its potential emissions to appropriate major source threshold ! Major if any pollutant emitted by defined source exceeds thresholds, regardless of area designation, i.e., attainment, nonattainment, or noncriteria pollutants ! Individual unit is major if classified as a source in one of the 28 regulated source categories… **Full text:** https://data.regpermit.com/chunk/epa%2Fnsr%2Fnsr-workshop-manual-draft-1990-pdf-b76ec2ae45f6%23doc%4030-a9b08885ad56 ### 7. NSR Workshop Manual (Draft 1990)(pdf) *Federal (CFR / EPA) · guidance* > NSR Workshop Manual (Draft 1990)(pdf) D R A F T OCTOBER 1990 Element 5 - Determine if source is major by comparing its potential emissions to appropriate major source threshold ! Major if any pollutant emitted by defined source exceeds thresholds, regardless of area designation, i.e., attainment, nonattainment, or noncriteria pollutants ! Individual unit is major if classified as a source in one of the 28 regulated source categories… **Full text:** https://data.regpermit.com/chunk/epa%2Fnsr%2Fnsr-workshop-manual-draft-1990-pdf-b76ec2ae45f6%23doc%4030-0063212e1053 ### 8. NSR Workshop Manual (Draft 1990)(pdf) *Federal (CFR / EPA) · guidance* > NSR Workshop Manual (Draft 1990)(pdf) D R A F T OCTOBER 1990 Element 5 - Determine if source is major by comparing its potential emissions to appropriate major source threshold ! Major if any pollutant emitted by defined source exceeds thresholds, regardless of area designation, i.e., attainment, nonattainment, or noncriteria pollutants ! Individual unit is major if classified as a source in one of the 28 regulated source categories… **Full text:** https://data.regpermit.com/chunk/epa%2Fnsr%2Fnsr-workshop-manual-draft-1990-pdf-b76ec2ae45f6%23doc%4030-f6e59187ac34 --- **How to use this service** (RegPermit air-quality regulatory corpus): - Read the full text of any result: fetch its **Full text** link above. - Search again: fetch `https://data.regpermit.com/search/` — or just `https://data.regpermit.com/`. - Look up an exact citation: `https://data.regpermit.com/cite/40 CFR 52.21`. - Filter by jurisdiction: add `?j=tx,nm` (federal, tx, nm, ut, co, va, nm-bernco, nm-cabq). - Machine-readable: add `?format=json`. Full API: `https://data.regpermit.com/llms.txt`. Results include both binding rules and agency guidance — for the controlling requirement, prefer a result whose citation is a CFR section or a state administrative code. 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