Mixed PFASNo5Methanol-26.5-26.7-26.9-27.4-27.2-28.0-27.7-26.3-26.1-27.0-26.8-27.00.6-0.1 Fluoryx 0020TCYes5Methanol-27.2-27.5-27.6-27.8-27.3-27.2-26.0-25.8-24.6-25.7-26.9-26.0-26.5-26.7-26.7-26.2-27.6-27.1-26.70.80.2 SynQuest 00022778Yes5Methanol-46.3-45.8-46.0-46.8-46.2-46.1-46.7-46.8-47.7-46.6-46.5-46.9-44.9-43.5-44.7-45.7-46.3-45.3-46.11.00.0 Mixed PFASYes5Methanol-26.9-27.3-27.5-27.2-27.0-27.2-26.2-25.9-26.1-26.6-26.1-25.9-27.9-27.6-26.8-27.6-27.3-27.2-26.90.60.0 Mixed PFASYes2Methanol-27.6-26.7-28.3-25.7-26.9-26.6-26.3-26.4-25.0-26.3-27.0-26.7-27.6-27.0-25.8-26.5-26.4-26.9-26.70.80.2 Mixed PFASYes1Methanol-28.1-27.3-28.2-26.2-27.6-27.6-26.4-27.1-26.7-27.4-26.9-27.0-27.20.6-0.3 CMS Dock SpikedYes5Seawater-26.6-27.6-27.6-27.4-26.0-27.4-26.6-26.9-25.9-25.4-25.9-25.7-27.6-27.4-28.2-28.6-28.0-28.4-27.11.0-0.2 WD182 SpikedYes5Rainwater-27.1-27.3-27.7-26.9-27.5-27.4-27.5-27.6-27.8-27.1-28.2-27.8-27.2-27.6-28.0-27.8-27.8-27.7-27.60.3-0.7 Cape Fear River SpikedYes5Freshwater-27.3-27.5-27.6-26.9-27.0-27.5-27.0-26.8-26.8-26.6-27.0-26.9-26.2-26.0-26.7-27.0-26.9-26.9-26.90.40.0 Sample 1 (non-spiked)YesFreshwater-41.4-41.5-42.7-42.6-40.2-40.1-39.0-39.3-39.4-39.9-40.5-40.1-39.7-39.5-39.9-40.3-40.41.1 Sample 2 (non-spiked)YesFreshwater-42.1-41.4-41.2-41.8-42.2-41.9-41.80.4