Date: Tue, 21 Apr 2009 10:39:02 -0400
Reply-To: List Moderator <ecgrants**At_Symbol_Here**UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: List Moderator <ecgrants**At_Symbol_Here**UVM.EDU>
Subject: Removing mercury from waste stream

From: 	Mary.Prisby**At_Symbol_Here**
Subject: 	Removing mercury from waste stream

Date: 	April 21, 2009 9:59:50 AM EDT (CA)

We currently perform pore volume analysis on our product.  The waste
stream contains hexane, metallic mercury, and trace of oil.  The Lab
personnel decant the liquid off after the separation occurs with the
mercury.  The mercury is then shipped off.  The liquid is shipped off as
a haz waste.  However, the mercury level is above 0.2mg/l for RCRA D009
classification.  The last TCLP was ~ 0.36mg/l.

Does anyone have any suggestions for removal of the last bit of mercury?


Mary Prisby
Environmental, Health, and Safety Manager
GRACE Davison
4099 West 71st Street
Chicago, IL  60629


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