Remediation and Regulation February 27, 2019 Andy Adams , CHMM Mark - PowerPoint PPT Presentation

Non-Stick Future: PFAS Remediation and Regulation February 27, 2019 Andy Adams , CHMM Mark Keefer, PG (MN) Vice President / Principal Scientist Group Manager / Senior Scientist Houston, TX Bloomington, MN W&M Environmental – A Division of Braun Intertec Corporation 972-516-0300

ANDY ADAMS, CHMM • BS in Environmental Science – University of Kansas • MS in Environmental Chemistry – University of Minnesota • MBA University of Houston-Downtown • 17 years environmental consulting experience • Source, Fate, and Transport Chemist • Environmental Program Management Advocate and Sales • Worked in the Laboratory that pioneered PFOS detection by LC MS/MS 2

MARK KEEFER, PG • BA and MS in Environmental Geology/Hydrogeology – UND • 18 years environmental consulting experience • Primary areas of focus: brownfield redevelopment, due diligence, remedial investigation and clean up. • Completed one of the largest brownfield redevelopments in MN, a former superfund weapons facility. • Expert eel pout ice fisherman 3

AGENDA How did we get here? What are perfluorinated chemicals (PFAS) Why do we care Current Regulatory Status Legislation Effects on Reg. Community Phase I ESAs Cleanups and Remediation Uncertainty 4

WHAT IS PFAS, PFOS, PFOSA, etc…? 5

HOW’D WE GET HERE? PBS DOD 6

WHAT IS PFAS, PFOS, PFOSA, etc…? 7

WHY SHOULD I CARE? ▪ Premature Birth ▪ Thyroid ▪ Hormone Interference ▪ Immune System Effects ▪ Increase some Cancers ▪ Probable Carcinogen ▪ Mice Data ▪ Limited Human Health data 8

CURRENT LEGISLATION ▪ Hazardous Substance? ▪ States are creating own designations (i.e. MN hazardous waste under MERLA) ▪ PFOS/PFOA Voluntarily phased out in 2006 ▪ Still produced and imported from outer countries ▪ Many other PFAS still in use 9

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CURRENT REGULATORY STATUS ▪ No MCLs ▪ Not a CERLA Hazardous Substance ▪ 70 PPT PFOA/PFOS combined – EPA HA ▪ January 2020 – House of Reps – timeline for EPA to regulate ▪ February 20, 2020 – EPA announces plan to promulgate drinking water determinations for PFOS and PFOA 12

EFFECTS OF CURRENT LEGISLATION ▪ Cleanups ▪ Regulation ▪ Permitting ▪ TRI, waste generation, Tier II, etc… ▪ CERCLA, RCRA 13

CLEANUPS AND REMEDIATION ▪ Remedial technologies 14

PHASE I ESAs ▪ ASTM E1527-13 Recognized Environmental Condition (REC) Definition – A REC is “the presence or likely presence of any hazardous substances or petroleum products in, on, or at a property” 15

16 https://edrnet.com/guide-rec-definitions/

UNCERTAINTY CAUSED BY UNCERTAINTY ▪ Should you sample? ▪ Do you have a release? ▪ Cross contamination 17

ABOUT BRAUN INTERTEC Environmental Services Braun Intertec is an employee-owned firm • Environmental Permits & Audits offering a comprehensive scope of award- winning services to the retail, commercial, • Environmental Assessments and utilities, residential, water infrastructure, Remediation mining, oil and gas, transportation, • Biological Evaluations & Wetland industrial/agriculture, institutional, and Delineation healthcare sectors. • Industrial Hygiene & Safety • Waste Characterization & Management • Spill Prevention & Response 18

CONTACT INFORMATION Andy Adams, CHMM Mark Keefer, PG (MN) Vice President , Principal Scientist Group Manager, Senior Scientist 713-401-0852 952-995-2493 AAdams@BraunIntertec.com MKeefer@BraunIntertec.com 19

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