Minnesota Department of Health (MDH) held a hearing on the proposed Health Risk Limits Rules on April 5, 2023, and April 6, 2023. No comments were received during the hearing. The comments received during the post-hearing comment period (April 7, 2023, to April 26, 2023) are listed below along with MDH's responses.

Alkylphenols and Ethoxylates Research Council (APERC)

Comment Received April 26, 2023 (Nonylphenol)

Comments of the Alkylphenols & Ethoxylates Research Council (PDF)

MDH Response:
MDH Response to APERC Regarding Nonylphenol Post-Hearing Comments (PDF)

Bayer Crop Science

Comment Received April 26, 2023 (Imidacloprid)

Comment on Imidacloprid (PDF)

MDH Response:
MDH Response to Bayer Regarding Imidacloprid Post-Hearing Comments (PDF)

Metropolitan Council

Comment Received April 7, 2023 (Health Risk Limits for PFAS)

Comments on Minnesota Department of Health Proposed Health Risk Limits for PFAS (PDF)

MDH Response:
MDH Response to Metropolitan Council Regarding Proposed Health Risks Limits for PFAS (PDF)

Jean Wagenius

Comment Received April 24, 2023 (HRL Enforcement)

Comment on HRL Enforcement (PDF)

MDH Response:
MDH Response to Jean Wagenius (PDF)

Notice of Hearing (Pre-Hearing comments)

Minnesota Department of Health (MDH) published a Notice of Hearing on February 6, 2023, and accepted pre-hearing comments on the proposed rules until March 8, 2023. The comments received are listed below along with MDH's responses.

Alkylphenols and Ethoxylates Research Council (APERC)

Comment Received March 8, 2023 (Nonylphenol)

Comments of the Alkylphenols & Ethoxylates Research Council (APERC) (PDF)

APERC Attachment 1 (PDF)

APERC Attachment 2 (PDF)

MDH response:
MDH Response to APERC Regarding Nonylphenol Pre-Hearing Comments (PDF)

Attachment A: Risk Assessment Methodology for Health Risk Limits Derivation ("Risk 101") (PDF)

American Chemistry Council - Chemical Products and Technology Division

Comment Received March 8, 2023 (Ethylene Glycol)

Ethylene Glycol (EG)- Proposed Health Risk Limit Rules (PDF)

MDH response:
MDH Response to ACC Regarding Ethylene Glycol Pre-Hearing Comments (PDF)

American Chemistry Council

Comment Received March 8, 2023 (PFAS)

Comments on PFBS, PFHxS, and PFHxA (PDF)

MDH response:
MDH Response to ACC Regarding PFBS, PFHxS, and PFHxA Pre-Hearing Comments (PDF)

Attachment A: Risk Assessment Methodology for Health Risk Limits Derivation ("Risk 101") (PDF)

Bayer Crop Science

Comment Received March 8, 2023 (Imidacloprid)

Comment on Imidacloprid (PDF)

MDH response:
MDH Response to Bayer Crop Science Regarding Imidacloprid Pre-Hearing Comments (PDF)

Jean Wagenius

Comment Received March 4, 2023 (Nitrate and HRL Enforcement)

Comment on Nitrate Rule and HRL Enforcement (PDF)

Comment Received March 6, 2023

Comment correction (PDF)

MDH response:
MDH Response to Jean Wagenius Regarding Nitrate Rule and HRL Enforcement Comments (PDF)

Request for Comments

MDH published a Request for Comments in the Minnesota State Register for the Health Risk Limits (HRL) Rules Amendments on January 19, 2021. A copy of the Request for Comments can be viewed on the Minnesota State Register website.

In response to this request, MDH received three comments as of January 2023. A copy of the comments and the response from MDH can be viewed below.

Alkylphenols and Ethoxylates Research Council (APERC)

Comments Received May 13, 2022

Comments on Minnesota Department of Health Proposed Health Risk Limits for p-Nonylphenol, branched isomers (PDF)

MDH response:
MDH Response to APERC Regarding Nonylphenol Comments (PDF)

American Chemistry Council - Chemical Products and Technology Division

Comments Received March 8, 2021

New Information on Ethylene Glycol (EG) For Determining More Accurate Ethylene Glycol Health Risk Limits in Groundwater (PDF)

MDH response:
MDH Response to ACC Regarding Ethylene Glycol Comments (PDF)

Minnesota Center for Environmental Advocacy

Comments received March 21, 2021

Minnesota Center for Environmental Advocacy’s Comments on the Minnesota Department of Health’s “Possible Amendments to Rules Governing Health Risk Limits” (PDF)
Note: Some of the links to websites listed in the footnotes of this document are no longer active.

MDH response:
MDH Response to MCEA’s Comments submitted March 22, 2021 (PDF)