[To Parent Directory]10/10/2025 8:12 AM <dir> ECHEM QC 9/24/2025 8:48 AM 57365 Q2980-QACheckList.pdf 9/24/2025 8:48 AM 56115 Q2980-QCCheckList.pdf 9/24/2025 8:48 AM 52368 Q2980-SignaturePage.pdf