Registration is Now Open for HEI's Annual Conference 2026

Registration is now open for HEI's Annual Conference Sunday, April 26 - Tuesday, April 28, 2026 in Chicago, Illinois. Register Now!

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Request for Qualifications and Proposal for Quality Assurance Oversight

2018

HEI is seeking qualified contractors to provide quality assurance services for seven studies on air pollution and health. The deadline for statement of qualifications is May 15, 2018. The deadline for proposal submission is July 2, 2018. For more information please contact Hanna Boogaard at HEI.