# Presentation: 491020

## A New Tool for Evaluating Candidate PM FEM and PM2.5 ARM Monitors

**A New Tool for Evaluating Candidate PM FEM and PM****2.5**** ARM Monitors**

***Tim Hanley, ***
***US EPA***
***February 13, 2007***

*=*

## On October 17, 2006 EPA published its amended national air quality monitoring requirements, including revised regulations for approving PM monitoring methods

The revised monitoring regulations provide new performance criteria for approval of Federal Equivalent Methods (FEMs) and Approved Regional Methods (ARMs) developed based upon a data quality objective process that can be used to meet multiple monitoring objectives, including comparison to the NAAQS.

FEMs
PM2.5 and PM10-2.5 filter-based (Class II) and Continuous (Class III) Methods
Applicable nationally

ARMs 
PM2.5 continuous method approved for use within a State, local, or Tribal agency monitoring network used to meet multiple objectives such as NAAQS, AQI...

Purpose and Goals of PM Continuous Monitoring Program and FEM status available in presentation from National Monitoring Conference:
http://www.epa.gov/ttn/amtic/files/ambient/2006conference/hanleypmcont.pdf

- The revised monitoring regulations provide new performance criteria for approval of Federal Equivalent Methods (FEMs) and Approved Regional Methods (ARMs) developed based upon a data quality objective process **that can be used to meet multiple monitoring objectives, **including comparison to the NAAQS.
- FEMs
- PM2.5 and PM10-2.5 filter-based (Class II) and Continuous (Class III) Methods
- Applicable nationally
- ARMs
- PM2.5 continuous method approved for use within a State, local, or Tribal agency monitoring network used to meet multiple objectives such as NAAQS, AQI...
- Purpose and Goals of PM Continuous Monitoring Program and FEM status available in presentation from National Monitoring Conference:
- http://www.epa.gov/ttn/amtic/files/ambient/2006conference/hanleypmcont.pdf

***Background**** *

## All PM FEM and ARM Monitors
Performance Criteria
Sampler precision
Correlation, >0.93 or >0.95 based on sample population (CCV)
Bias
Additive bias (intercept) works with multiplicative bias to insure overall bias is in control
Multiplicative bias (slope) within +/- 10% for most methods, except Class III PM10-2.5 which is +/- 12%

FEM Test Information for both PM2.5 and PM10-2.5
Class II methods 
Testing at two sites (one East and one West) in any season
Class III methods 
Testing at multiple locations; 5 test campaigns (3 Winter and 2 Summer) at 4 locations
Required to provide at least hourly data

ARM Test Information
Uses same performance criteria as PM2.5 Class III methods; however, flexibility to demonstrate sample precision
Testing occurs at subset of sites in network within which it’s intended to be used

- Performance Criteria
- Sampler precision
- Correlation, >0.93 or >0.95 based on sample population (CCV)
- Bias
- Additive bias (intercept) works with multiplicative bias to insure overall bias is in control
- Multiplicative bias (slope) within +/- 10% for most methods, except Class III PM10-2.5 which is +/- 12%
- FEM Test Information for both PM2.5 and PM10-2.5
- Class II methods
- Testing at two sites (one East and one West) in any season
- Class III methods
- Testing at multiple locations; 5 test campaigns (3 Winter and 2 Summer) at 4 locations
- Required to provide at least hourly data
- ARM Test Information
- Uses same performance criteria as PM2.5 Class III methods; however, flexibility to demonstrate sample precision
- Testing occurs at subset of sites in network within which it’s intended to be used

***PM Continuous Method Testing Overview**** *

## Each case study is consistent with amended monitoring regulations
PM2.5 and PM10-2.5 FEM requirements in 40 CFR Part 53
PM2.5 ARM requirements in 40 CFR Part 58, Appendix C
Each case study is designed to provide:
user friendly template in standard word processing software (Word) with appropriate level of detail for ARM and FEM written applications;
user friendly automated calculations in standard spreadsheet software (Excel) for all ARM and FEM performance criteria;
consistency in development of applications;
streamlined approval process by EPA for ARM and FEM applications.

- PM2.5 and PM10-2.5 FEM requirements in 40 CFR Part 53
- PM2.5 ARM requirements in 40 CFR Part 58, Appendix C
- Each case study is designed to provide:
- user friendly template in standard word processing software (Word) with appropriate level of detail for ARM and FEM written applications;
- user friendly automated calculations in standard spreadsheet software (Excel) for all ARM and FEM performance criteria;
- consistency in development of applications;
- streamlined approval process by EPA for ARM and FEM applications.

***Development of Two Case Study Templates**** *

| Template | Type of Application | PM2.5 | PM10-2.5 |
| --- | --- | --- | --- |
| FEM | Class II | X | X |
| FEM | Class III | X | X |
| ARM | ARM | X | N/A |

## Each case study is structured to provide the various types of information required as part of an application
No particular format or structure is mandated by regulation as long as all the required information is contained in the application and submitted

Text in bold GREEN is provided as a hypothetical example and should be replaced with similar appropriate text.

Text in BLUE provide hyperlinks to resource files (e.g., Part 53 Reg amendments.dot) with formal requirements from regulation text.
The hyperlinks function when the *.dot files are contained within the same folder as the case study.

- No particular format or structure is mandated by regulation as long as all the required information is contained in the application and submitted
**Text in bold GREEN is provided as a hypothetical example and should be replaced with similar appropriate text.**
**Text in BLUE provide hyperlinks to resource files (e.g., Part 53 Reg amendments.dot) with formal requirements from regulation text.**
**The hyperlinks function when the *.dot files are contained within the same folder as the case study.**

***FEM & ARM Written Template User Notes **** *

## FEM & ARM Written Application Summary 

|  | FEM | ARM |
| --- | --- | --- |
| Contents | General Information
Description of the Candidate Method
Description of the Field FRM Comparison Test
Field Comparison Test Data and Test Calculations
Attachments | General Information
Description of the Candidate Method
Description of the Field FRM Comparison Test
Field Comparison Test Data and Test Calculations
Attachments |
| Attachments | Technical Aspects of the Candidate Monitor
Manufacturing Quality System and analyzer durability
ISO – 9001 registration documentation
Test Site Locations and descriptive Information
Instrument Calibration and Calibration data and Standards
Comparability Test Data (prefer to submit electronically)
Hourly data from candidate Class III Monitors
Instrument Operation and Instruction Manual | Test Site Locations and descriptive Information
QA procedures for the candidate ARM
Data Transformations (if applicable)
Instrument Calibration and Calibration data and Standards
Comparability Test Data (prefer to submit electronically)
Instrument Operation and Instruction Manual |
| Notes | Submitted by Instrument Companies
Can be “Confidential Business Information”  | Submitted by State, local, or Tribal monitoring agency |

***Text in RED indicates differences between the two templates     ***
***Spreadsheet template intended to address ******attachment in GREEN text***

## FEM Spreadsheet Template in Excel 

***FEM Spreadsheet Template in Excel**** *

*Instructions*

*Title*

## Data Entry Sheets and Daily Calculations

*Raw FRM Data*

*Raw Candidate Data*

## Intermediate Calculations

***Intermediate Calculations***

*Precision*

*Regression*

## Summary Sheet

***Summary Sheet***

## Templates are intended to help facilitate consistency in FEM and ARM applications; their use is not required.

Availability of FEM and ARM Case Study Templates?
Available now through the end of the month as draft at:
http://www.epa.gov/ttn/amtic/pm25fem/
Comments can be sent to Tim Hanley
Email:  hanley.tim@epa.gov
Fax:  (919) 541-1903
Expect final in March 2007; also on AMTIC web site

Acknowledgments
EPA ORD
Robert Vanderpool
Elizabeth Hunike
RTI
Frank McElroy

- Availability of FEM and ARM Case Study Templates?
- Available now through the end of the month as draft at:
- _[http://www.epa.gov/ttn/amtic/pm25fem/](http://www.epa.gov/ttn/amtic/pm25fem/)_
- Comments can be sent to Tim Hanley
- Email:  _[hanley.tim@epa.gov](mailto:hanley.tim@epa.gov)_
- Fax:  (919) 541-1903
- Expect final in March 2007; also on AMTIC web site
- Acknowledgments
- EPA ORD
- Robert Vanderpool
- Elizabeth Hunike
- RTI
- Frank McElroy

***Notes***