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From: Aaron's Phone <cycling1**At_Symbol_Here**VERIZON.NET>
Subject: Re: [DCHAS-L] Upper limit of pH hazards
Date: Mon, 31 Oct 2016 11:07:52 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: 575C036E-2A55-4561-8B5F-FC3A9A6293AC**At_Symbol_Here**verizon.net
In-Reply-To <8BF61D4F-4004-41E0-A64E-A87D6141761E**At_Symbol_Here**keene.edu>

Ralph,

Interesting question you pose. I would caution saying that all pH chemicals above or below a certain limit are safe. The characteristics, toxicity and permeation rates need to be thoroughly understood. Do these traits change when you have a mixture of differing chemistries?

Lots to consider on this topic.

Best regards,
Aaron

Sent from Aaron's iPhone.

> On Oct 31, 2016, at 10:49 AM, Stuart, Ralph wrote:
>
> Does anyone have a rule of thumb for how high pH can go before gloves are required?
>
> Thanks for any help with this.
>
> - Ralph
>
> Ralph Stuart, CIH, CCHO
> Chemical Hygiene Officer
> Keene State College
>
> ralph.stuart**At_Symbol_Here**keene.edu
>
> ---
> This e-mail is from DCHAS-L, the e-mail list of the ACS Division of Chemical Health and Safety.
> For more information about the list, contact the Divisional secretary at secretary**At_Symbol_Here**dchas.org

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This e-mail is from DCHAS-L, the e-mail list of the ACS Division of Chemical Health and Safety.
For more information about the list, contact the Divisional secretary at secretary**At_Symbol_Here**dchas.org

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