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France Lemieux added comment "Pass/Fail Criteria needs to be revised" to the document "42i131r1 - Chloramine Run Time - JC memo & ballot.pdf" in the "Joint Committee on Drinking Water Treatment Units" group. Subject: Pass/Fail Criteria needs to be revised Category: N/A Comment I agree ...

France Lemieux added comment "Addition of manganese aesthetic objective to NSF 42" to the document "42i128r2 et al - Manganese - JC Memo & Ballot.pdf" in the "Joint Committee on Drinking Water Treatment Units" group. Subject: Addition of manganese aesthetic objective to NSF 42 Category: N/A ...

France Lemieux added comment "Incorrect Health Canada maximum acceptable concentration stated" to the document "42i128r2 et al - Manganese - JC Memo & Ballot.pdf" in the "Joint Committee on Drinking Water Treatment Units" group. Subject: Incorrect Health Canada maximum acceptable concentration ...

Hi Mark, Our lead guideline is for total lead as even particulate lead could contribute to blood lead since small particles of lead can be ingested and become bioaccessible once in the stomach. There is also evidence that particulate lead can dissolve when used for the preparation of foods ...