Solder Paste

Thread from IPC's ComplianceNet

Date: Wed, 22 Apr 1998 09:16:08 -0400
Reply-To: "ComplianceNet E-Mail Forum." , "Kallin, Dan" Dan_Kallin@BOSE.COM
Sender: ComplianceNet Mail ForumComplianceNet@ipc.org
From: "Kallin, Dan" Dan_Kallin@BOSE.COM
Subject: Solder Paste

Greetings,
I am curious as to how folks are managing solder paste as its use seems to be increasing. We apply paste using a screen and generate empty, or nearly so, tubes from the paste and unusable paste from cleaning off the screen and contaminated rags. We would like to recycle this material rather than dispose as a hazardous waste.

Has anyone had any experience or insights in this area?

It seems to me the tubes and residual paste from the screen can be classified as a commercial chemical product because it is un-usable because it is not in the proper dispenser anymore, not because of contamination. We could then relatively easily recycle it along with our dross and ship it as solder paste rather than hazardous waste.

I can't see a way out with the rags even though they could be recycled.

What are other folks doing with this stuff?

Any insights would be appreciated.
My thoughts only, .
Dan Kallin Dan_Kallin@Bose.com.
Environmental Engineer .
Bose Corporation

Date: Wed, 22 Apr 1998 11:27:12 -0500
Reply-To: "ComplianceNet E-Mail Forum." , Jack Crawford
Sender: ComplianceNet Mail Forum
From: Jack Crawford
Subject: Re: Solder Paste
X-To: Dan_Kallin@BOSE.COM

Dan, there are recycling companies. I'd suggest you repost your message on the TechNet and you'll probably get several recommendations. Jack

Jack Crawford, IPC Project Manger - Assembly
2215 Sanders Road, Northbrook IL 60062-6135
crawja@ipc.org http://www.ipc.org
847-509-9700 x 393
fax 847-509-9798

Date: Wed, 22 Apr 1998 12:33:37 -0400
Reply-To: "ComplianceNet E-Mail Forum." , "Kallin, Dan"
Sender: ComplianceNet Mail Forum
From: "Kallin, Dan"
Subject: Re: Solder Paste
X-To: Jack Crawford
Finding the recycling company is not the problem. I am more concerned about the compliance aspects and shipping requirements.

My thoughts only,
Dan Kallin
Dan_Kallin@Bose.com
Environmental Engineer
Bose Corporation

Date: Wed, 22 Apr 1998 17:02:23 -0400
Reply-To: "ComplianceNet E-Mail Forum." , Holly Evans
Sender: ComplianceNet Mail Forum
From: Holly Evans
Subject: Re: Solder Paste
X-To: "Kallin, Dan"
In-Reply-To: <9DDA1967DFDDD011B41300A0C95C38136D3B56@juno.bose.com>
Dear Compliancenetters:

Interestingly enough, I have recently spoke with U.S. EPA folks on this issue. It appears that RCRA contains an "empty container" exclusion found at 40 CFR Sec. 261.7. That section states that "any hazardous waste remaining in....an empty container...is not subject to regulation" under RCRA Subtitle C. In other words, "empty" solder paste tubes are not hazardous waste. Now, how is "empty" defined? According to preliminary discussion with EPA, it appears that you must illustrate that "all wastes have been removed that can be removed using the practices commonly employed to remove materials from the container..."

I like to use a toothpaste tube analogy -- a solder paste tube would be empty much as a toothpaste tube is empty. In other words, squeezing the tube yields little if any useful amounts of paste.

I have a call-in to EPA to verify the legality of my interpretation (so typical legal disclaimer --- do not rely on this preliminary advice) but my follow-up question to the original question is, is anyone currently using this exemption?

Thanks in advance for any insight you can provide.

Regards,

Holly Evans,
Director of Environmental and Safety Programs, IPC

Date: Wed, 22 Apr 1998 18:07:30 -0500
Reply-To: "ComplianceNet E-Mail Forum." , Charles_Barker@I-O.COM
Sender: ComplianceNet Mail Forum
From: Charles Barker
Subject: Re: Solder Paste
X-To: Dan_Kallin@BOSE.COM

Charles Barker@I-O INC
04/22/98 06:07 PM
Dan,

We have an arrange with our bar solder/solder paste supplier to pick up our dross as well as lead bearing wipes , paste containers and waste paste and return it to the originator for recycling. As a recycled material, it does not get a hazardous materials rating.

I also deal with our haz waste disposal so I have to keep up with those regs too.