files.dep.state.pa.us - /RegionalResources/SERO/SEROPortalFiles/Community Info/RockHillQuarry/Activity Based Sampling/

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 10/7/2025  8:18 PM        <dir> April 12 2023 Sampling Event 3
 10/7/2025  8:18 PM        <dir> August 22 2023 Sampling Event 4
 10/7/2025  8:19 PM        <dir> June 1 2022 Sampling Event 1
 10/7/2025  8:19 PM        <dir> October 11 2022 Sampling Events 2 and 5
 10/7/2025  8:19 PM        <dir> Sampling Plan