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Subject: Some on-site treatment is permitted by EPA

Date: Jul 19, 2007 20:11 UTC

Author: Neil Edwards <Neil.Edwards**At_Symbol_Here**LIU.EDU>

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Subject: Re: formaldehyde and bleach

Date: Jul 19, 2007 21:35 UTC

Author: Krageschmidt, Dale A. Ph.D. <Krageschmidt.Dale**At_Symbol_Here**MAYO.EDU>

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From: Margaret-Ann Armour <margaret-ann.armour**At_Symbol_Here**UALBERTA.CA>

Subject: re formaldehyde and bleach

Date: Jul 19, 2007 20:26 UTC

Reply-To: Margaret-Ann Armour

In-Reply-To:  

Demystify: 
In our testing of the oxidation of formalin solution (which is about 
40% formaldehyde in water)  to formic acid with chlorine bleach, we 
found that it is important to dilute the formalin with water (10 ml 
of water for each 1 ml of formalin) before adding the bleach  (25 mL 
for each 1 mL of formalin measured before dilution) and to perform 
all reactions, including the dilution, in the fume hood.  Hope this 
helps. Margaret-Ann Armour
-- 
Dr. Margaret-Ann Armour
Associate Dean, Diversity
Faculty of Science
G208 Biological Sciences Bldg
University of Alberta
Edmonton  Alberta
T6G 2E9
Tel:  780 492 7572
Fax: 780 492 0372
margaret-ann.armour**At_Symbol_Here**ualberta.ca

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