WebMar 14, 2024 · For the Hazard Index, the rule proposes a ratio for each of the four PFAS to be used to calculate a compliance value based on detected levels of the four PFAS. If the combination of those four ratios is at or above 1.0, then water systems will be expected to reduce the levels of these PFAS. Depending on the level of contamination found, water ... Web• Michigan PFAS Sampling Guidance. Refer to analytical methods for bottle selection and other sampling considerations. Consider QA/QC sampling to support the validity of the data. Confirm if samples are required by the analytical method. Consider one set of the following QA/QC samples per 20 field samples as part of
PFAS in Delaware - DNREC Alpha
WebEGLE's Water Resources Division (WRD) has added PFAS sampling into routine NPDES permit compliance sampling inspections to further understand the prevalence of PFAS in wastewaters of Michigan. Since 2024, EGLE has sampled 56 municipal wastewater treatment plants (WWTPs) and 41 industrial dischargers (industries including airports, … WebAug 4, 2024 · Wastewater Sampling August 2024 Prepared by: Shea Buettner Date: 8/04/2024 Title: Environmental Program Manager I Approved by: Dr. Elizabeth Booth ... F. PFAS Sampling..... 9 4. Process Control Sampling ... how deep should a flagpole be buried
Wastewater Sampling - Environmental Protection Division
Webpertaining to PFAS. Applicability Sampling for PFAS has already been initiated at numerous sites under DER-approved work plans, in accordance with specified procedures. All … WebFeb 21, 2024 · Based on validated laboratory results, a single PFAS compound (PFBA) had been detected at an estimated concentration of 1.2 J nanograms per liter (ng/L) in one of the prior groundwater samples (which in the PFAS world is considered an uncontaminated well). The approach for “sampling” the used and new PTFE materials was simple. WebPFAS sampling efforts are also included. 4.0 DEFINITIONS Benthic: Of, relating to, or occurring at the bottom of a body of water. Blank: A sample of analyte free water used to detect sources of contamination during sampling, transport, storage or analysis of environmental samples (EPA, 2009). how deep should a concrete pad be