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Implementation Plan for Lead Stakeholder Group

An open-participation group that will meet periodically to discuss issues related to SIP development for lead.

Monitoring Data

Updated 1/13/2016

The table linked below includes lead monitoring data and calculated design values for the Collin County lead nonattainment area. The regulatory design value is highlighted in yellow.

Air monitoring data from 2002 through December 26, 2015

Chart showing 3-month rolling average design value for the last three years


Last Updated 1/27/2016

Compliance with the 2008 Lead NAAQS

Compliance with the lead standard is based on 36 three-month rolling averages. For an ambient air monitoring site to meet this standard, no three-month rolling average for the previous 36 months prior to the attainment date may exceed 0.15 micrograms per cubic meter. Between January 1, 2013 and December 31, 2015, the Collin County nonattainment area did not have a three-month rolling average above the lead NAAQS at any of the TCEQ’s ambient lead monitors. Therefore, the area achieved compliance of the 2008 lead NAAQS as of December 31, 2015.

However, the Collin County area is still designated nonattainment. The TCEQ is developing a request to the EPA that the Collin County lead nonattainment area be redesignated to attainment based on 36 months of monitoring data below the federal standard. The current plan is to present to the TCEQ Commissioners in April 2016 a proposal requesting redesignation to attainment.  If approved by the Commissioners, a 30 day public comment will follow, with the tentatively scheduled adoption to occur by October 2016.  Once adopted by the Commissioners, the request will be submitted to the EPA for approval. 

Notification of Cessation of Facility Operations

Based on a requirement in the Agreed Order between the TCEQ and Exide, a letter from Exide to the Executive Director was received dated October 9, 2012, stating that Exide has elected to permanently shut down operations at their Frisco Battery Recycling Center. Effective November 1, 2012, Exide began curtailing certain recycling operations and all recycling operations ceased operation on November 30, 2012. The facility is now considered permanently shut down.

Collin County Attainment Demonstration for the 2008 Lead National Ambient Air Quality Standard (NAAQS) and Agreed Order

The Exide Agreed Order and Collin County Attainment Demonstration SIP Revision for the 2008 Lead NAAQS were adopted by the commission on August 8, 2012. The SIP revision, Agreed Order, and all supporting documents are posted on the Dallas-Fort Worth: Lead Latest Planning Activities Web page.

Lead Open House in Frisco

Representatives from the United States Environmental Protection Agency (EPA), the Texas Commission on Environmental Quality (TCEQ), and the Texas Department of State Health Services came to Frisco to talk with residents about environmental concerns regarding the Exide battery recycling facility. The state and federal regulators were available to answer questions regarding air quality measurements, waste and air permitting issues, soil and water impacts, possible health effects, and air quality plans. The open house was held from 4:00 to 8:00 p.m. on Monday, May 21, 2012, at the training room at the Frisco Police Headquarters building located at 7200 Stonebrook Parkway.

Proposed Collin County Attainment Demonstration State Implementation Plan (SIP) Revision for the 2008 Lead National Ambient Air Quality Standard (NAAQS)(2011-001-SIP-NR) and Agreed Order between TCEQ and Exide Technologies

The public comment period on the proposed Collin County Attainment Demonstration SIP for the 2008 Lead NAAQS and the associated Agreed Order ended on August 8. A public hearing was held on July 28 in Frisco, Texas. Comments and the public hearing transcript are posted on the Dallas-Fort Worth: Lead Latest Planning Activities Web page.

On June 22, 2011, the commission approved proposal of the Collin County Attainment Demonstration SIP Revision for the 2008 Lead NAAQS and the Agreed Order between TCEQ and Exide Technologies.

ERG Final Report

The TCEQ commissioned third-party contractor Eastern Research Group, Inc. (ERG) to perform a comprehensive evaluation of air quality control technologies for lead-acid battery recycling operations with secondary lead smelters and lead oxide facilities. On April 21, 2011, ERG submitted their Comprehensive Evaluation of Air Quality Control Technologies used for Lead-Acid Battery Recycling to the TCEQ. The report evaluates available control measures and work practices for the reduction of lead emissions from point sources and fugitive lead-dust emissions and identifies control measures specific to the sources of lead emissions at the Exide facility in Frisco, Texas.

On May 17, 2011, ERG submitted the following revised report and a memo describing the calculation revision. The correction is found on page 2, Table 1: Summary of Recommended Control Technologies for Exide Technologies. Two numbers in the table were revised: the emissions reductions from Additional Fugitive Control Work Practices changed from 0.074 pounds per hour (lbs/hr) to 0.033 lbs/hr, and the total After All Controls changed from 0.502 lb/hr to 0.461 lb/hr. The overall conclusions of the report have not changed due to this correction.

Lead Stakeholder Meeting

At the January 19, 2011, Lead Stakeholder Meeting, TCEQ staff cited the 2008 through 2010 design value for lead as being 1.2 micrograms per cubic meter (µg/m3). However, the number cited was calculated from monitor #480850009, which was located on Exide property, and was not accessible by the general public. The monitor was located on Exide property because the monitor was originally used to determine whether the implementation of contingency measures at the Exide facility was necessary to ensure continued maintenance of the 1978 Lead National Ambient Air Quality Standard (NAAQS). Along with other requirements, a monitor must be in an area accessible to the public to be considered as monitoring ambient air. A regulatory monitor must collect data from ambient air to be compared to the NAAQS to determine attainment. To be considered regulatory, a monitor must meet federal siting criteria and quality assurance requirements detailed in 40 Code of Federal Regulations, Part 58, Appendix A. In June of 2010, after meeting with the United States Environmental Protection Agency (EPA) to determine a location for the monitor that meets the EPA's siting criteria, the monitor was moved to its current location.

About the Group

The State Implementation Plan for Lead Stakeholder Group is open to the public, and anyone who wishes to attend meetings may do so. The group will meet periodically to discuss issues related to lead pollution in Texas' air and to hear the public's ideas on potential control strategies for reducing lead pollution in the air.

Schedule of Future Meetings

There are no future meetings scheduled at this time. Announcements and agendas for future meetings will be posted here.

Minutes and Agendas of Prior Meetings

January 19, 2011


Participation in the Lead Stakeholder Group is open to anyone who wishes to attend its meetings. A list of participants will be maintained and updated periodically.

Related Web pages and Information

EPA's Report on Frisco Neighborhood Soil Survey

Excerpt from report follows.

“Summary: In March 2010, thirty-eight surface soil samples were collected from thirteen publicly accessible areas in Frisco within approximately 1 mile of the Exide Technologies facility, and one area farther from the facility as a background comparison. The purpose of the sampling was to determine the potential concentration of lead and cadmium in the surface soil to determine if additional investigation of residential areas is warranted and to document if there is a potential threat to human health or the environment from lead and cadmium accumulation in soil due to emissions from the facility. Samples were analyzed for lead and cadmium concentrations and compared to EPA human health screening levels for residential soil. Sample results confirmed that concentrations are below regulatory levels of concern and no further testing or remedial action is needed for those areas that were sampled.”
  • Attachment 4: EPA Laboratory Analytical Data and Chain of Custody Records
  • Attachment 5: City of Frisco Laboratory Analytical Data (ERMI Lab Report)

TCEQ Web Page

EPA Web Page

Centers for Disease Control and Prevention

Contact Information

For more information, or to suggest topics for future meetings, please contact Brian Foster of the TCEQ's Air Quality Planning Section at 512-239-1930, or send an e-mail to with "Lead Stakeholder Group" in the subject line.