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Continuous Emission Monitoring - Information, Guidance, etc.
A continuous emission monitoring system (CEMS) is the total equipment necessary for the determination of a gas or particulate matter concentration or emission rate using pollutant analyzer measurements and a conversion equation, graph, or computer program to produce results in units of the applicable emission limitation or standard. CEMS are required under some of the EPA regulations for either continual compliance determinations or determination of exceedances of the standards. The individual subparts of the EPA rules specify the reference methods that are used to substantiate the accuracy and precision of the CEMS. Performance Specifications are used for evaluating the acceptability of the CEMS at the time of or soon after installation and whenever specified in the regulations. Quality assurance procedures in Appendix F to 40 CFR 60 are used to evaluate the effectiveness of quality control (QC) and quality assurance (QA) procedures and the quality of data produced by any CEMS that is used for determining compliance with the emission standards on a continuous basis as specified in the applicable regulation. A predictive emission monitoring system (PEMS) is the total equipment necessary for the determination of a gas concentration or emission rate using process or control device operating parameter measurements and a conversion equation, a graph, or computer program to produce results in units of the applicable emission limitation or standard. The EPA is studying the applicability of PEMS for NOx compliance determinations for various sources. A draft protocol for assessing the accuracy and precision of PEMS has been developed and is expected to be proposed sometime in the near future. Files identified as "ZIP" files must be de-archived using 'PKUNZIP'. The program PKUNZIP.EXE and instructions, PKUNZIP.TXT, are located on the Home Page under the Software Section. Files can be downloaded to view or viewed using functions in your internet software.
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File Description |
File Name |
Posting Date |
File Types |
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| Comparison of Mercury and PM Methods at Power Plants | hgpmcomp.PDF | 04/10/07 |  |
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| Long-Term Field Evaluation of Mercury (Hg) Continuous Emission Monitoring Systems | hgcemsdemo.PDF | 11/30/06 | |
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| Evaluation of Particulate Matter Continuous Emission Monitoring Systems Final Report | R4703-02-07.PDF | 10/16/00 | |
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| PM CEMS Current Knowledge Report | PMCEMSKNOWFINALREP.PDF | 10/16/00 | |
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| CEMS Cost Model - 3/07/07. | CEMS.XLS | 3/07/07 |  |
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| HAP CEMS database program disk 1 12/15/97. | HAPZIP1.ZIP | 12-16-97 |  |
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| HAP CEMS database program disk 2 12/15/97. | HAPZIP2.ZIP | 12-16-97 | |
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| HAP CEMS database program disk 3 12/15/97. | HAPZIP3.ZIP | 12-16-97 | |
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| HAP CEMS database program disk 4 12/15/97. | HAPZIP4.ZIP | 12-16-97 | |
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| Fabric Filter Bag Leak Detection Guidance Document Sept. '97. | TRIBO.WPD | 10-28-97 |  |
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| Fabric Filter Bag Leak Detection Guidance Document Sept. '97 Adobe Format. | TRIBO.PDF | 10-28-97 | |
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| Handbook for CEMS for Non-Criteria Pollutants (Chap. 1-3) (Adobe format). | HANDBK-1.ZIP | 8-8-97 | |
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| Handbook for CEMS for Non-Criteria Pollutants (Chap. 4-7) & Appendix A (Adobe format). | HANDBK-2.ZIP | 8-8-97 | |
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| Use of Acid Rain CEMS as NSPS CEMS. | P75V60.TXT | 9-22-93 |  |
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| Guidelines for CEMS for Municipal Waste Combustors. | NESCAUM.WPD | 8-26-91 | |
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| Guidelines for CEMS for Municipal Waste Combustors (Adobe format). | NESCAUM.PDF | 7-31-97 | |
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| CEMS Guidelines for MWC (NESCAUM). Model. Program Version 2.0. | NESCAUM.TXT | 8-30-95 | |
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| Text file for loading and using the PS2.WK1 program. | READPS2.TXT | 12-1-92 | |
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| Ammonia CEMS Background Report. | NH3_CEMS.ZIP | 3-15-94 | |
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| Ammonia CEMS Background Report (Adobe format). | NH3_CEMS.PDF | 7-31-97 | |
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| Example Specifications and Test Procedures for Predictive Emission Monitoring Systems. | PEMS.WPD | 1-25-96 | |
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| Example Specifications and Test Procedures for Predictive Emission Monitoring Systems (Adobe format). | PEMS.PDF | 7-31-97 | |
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| CEM Demo Announcement FR Notice for Particulate Matter and Mercury. | CEMDEMO.WPD | 2-13-96 | |
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| CEM Demo Announcement FR Notice for Particulate Matter and Mercury (Adobe format). | CEMDEMO.PDF | 7-31-97 | |
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| Hg CEMS Demonstration Test Plan. | HGCEMSTP.ZIP | 3-27-97 | |
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| Hg CEMS Demonstration Test Plan (Adobe format). | HGCEMPDF.ZIP | 7-31-97 | |
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| PM CEMS Demo. Test - Status Report 4. | PMCEMS4.ZIP | 3-27-97 | |
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| PM CEMS Demo. Test - Status Report 4 (Adobe format). | PMS4PDF.ZIP | 7-31-97 | |
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| PM CEMS Demonstration Test Plan. | PMCEMSTP.ZIP | 3-27-97 | |
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| PM CEMS Demonstration Test Plan (Adobe format). | PMEMPDF.ZIP | 7-31-97 | |
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| Alternative Monitoring Protocol - PEMS for NOX and CO from Industrial Furnaces. | FURNACE.WPD | 5-2-97 | |
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| Alternative Monotoring Protocol - PEMS for NOX and CO from Industrial Furnaces (Adobe format). | FURNACE.PDF | 7-31-97 | |
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| "Normal Load" for Performance Specification 2. | GD-017.WPD | 9-1-95 | |
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| "Normal Load" for Performance Specification 2 (Adobe format). | GD-017.PDF | 7-31-97 | |
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| Stratification for Emissions for CEM Locations | GD-025.WPD | 4-27-98 | |
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| Stratification for Emissions for CEM Locations | GD-025.PDF | 7-31-97 | |
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| Eval. Proc. for Multi-Hole Sample Probes | GD-031.WPD | 4-27-98 | |
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| Eval. Proc. for Multi-Hole Sample Probes | GD-031.PDF | 4-27-98 | |
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| Alternative for Analyzing Calibration Gas Cylinders | GD-039.WPD | 4-27-98 | |
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| Alternative for Analyzing Calibration Gas Cylinders | GD-039.PDF | 4-27-98 | |
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