Bar chart depicting the tons of Airborne Lead emissions over the years 2012 to 2024.
- 2012: approximately 43 tons
- 2013: approximately 163 tons. Increased lead emissions for 2013 is the result of stack testing at a single facility. The facility shut down the processes that release emissions through the tested stacks at the end of the 2013 emission year, and the increased emissions are the result of the shutdown activities.
- 2014: approximately 8 tons
- 2015: approximately 7 tons
- 2016: approximately 6 tons
- 2017: approximately 5 tons
- 2018: approximately 5 tons
- 2019: approximately 7 tons
- 2020: approximately 5 tons
- 2021: approximately 4 tons
- 2022: approximately 4 tons
- 2023: approximately 3 tons
- 2024: approximately 4 tons
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