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01-21-2013, 06:25 AM
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Join Date: Jan 2007
Location: Orem, UT
Posts: 213
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Working with lead
During my empennage build I had to work with several lead weights. This involved some work drilling and shaping them to fit. I know lead is considered a major health risk to the environment. I wonder if its a health risk to the builder. So my questions are:
Are there any health risks in working with the lead in RV kits?
If so, what steps should one take to minimize those risks?
__________________
Finishing -12 tail cone
-9A Empennage done, in storage
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01-21-2013, 07:02 AM
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Join Date: Aug 2010
Location: Brookshire, TX
Posts: 1,038
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Personally, I just treated working with the counterweights the same way I treat a trip to the shooting range; basically, I just make sure to wash my hands thoroughly afterwards, and especially before I eat or anything like that.
Overall, my feeling is that there isn't really any great risk of exposure from the little work we do, HOWEVER, I have absolutely no tangible evidence to back that up. I'm interested to hear if anyone else took any more thorough precautions.
__________________
Philip
-8 fuselage in progress (remember when I thought the wing kit had a lot of parts? HAHAHAHAHA)
http://rv.squawk1200.net
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01-21-2013, 08:13 AM
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Join Date: Jul 2009
Location: Ankeny, IA
Posts: 210
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Lead salts?
I think I've heard that heavy metals in their elemental form aren't much of a hazard to someone handling them. The problem comes when they get into the environment and form other compounds (salts, mostly). These salts are very hazardous, and are readily absorbed into your system.
It might be worth looking into best practices of folks who work with lead regularly, like ammunition reloaders, etc.
M
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01-21-2013, 08:28 AM
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Join Date: Jan 2005
Location: Richmond, VA
Posts: 696
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Quote:
Originally Posted by foka4
I think I've heard that heavy metals in their elemental form aren't much of a hazard to someone handling them. The problem comes when they get into the environment and form other compounds (salts, mostly). These salts are very hazardous, and are readily absorbed into your system.
It might be worth looking into best practices of folks who work with lead regularly, like ammunition reloaders, etc.
M
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That's not entirely true. Mercury in it's elemental form is dangerous to handle. Lead can dangerous, particularly to fetal development and children, if ingested. Lead paint, for example, isn't a problem until its ingested, which infants and children are prone to do as they explore their world. When lead (or other metals) get into the environment, it can cause plenty of problems. When I worked in public health I encountered lead in water supplies occasionally and the source was often pretty obvious, and not just solder or lead pipes.
As for the OP's question, working with a block of lead isn't much of health hazard. Even working with molten lead is relatively safe (casting bullets for example), with burns being the biggest risk. The comment about washing your hands after working with lead is probably the most important thing you can do. The lead that rubs off on your hands can be ingested if you don't wash thoroughly.
__________________
Don Alexander
Virginia
RV-9A 257SW Purchase Flying - O-320, Dynon D100
RV-9A 702DA (reserved) Finish Kit IOX-340
www.propjock.com
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01-21-2013, 08:30 AM
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Join Date: Sep 2012
Location: Omaha, NE (KMLE)
Posts: 2,250
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I've been reloading (cast bullets as well as jacketed) and soldering with tin/lead solder since the mid 1970s. I've handled an awful lot of lead. Whether it's led to brain damage is a subject upon which different people may have different opinions.  Wash your hands before eating or handling food, don't use a grinder that will create breathable dust, vacuum up your work area. Just take some reasonable precautions and you will be fine. Lead is poisonous, but it's not hazardous on the scale of, say, mercury.
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Dale
Omaha, NE
RV-12 # 222 N980KM "Screamin' Canary" (bought flying)
Fisher Celebrity (under construction)
Previous RV-7 project (sold)
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01-21-2013, 08:58 AM
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Join Date: Dec 2008
Location: Big Sandy, WY
Posts: 2,567
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My first job (6 years old) was as a trap boy loading clay pigeons. Automatic traps made me obsolete in 2 years. My second job was reloading skeet rounds for my dad and his buddies. I got 75 cents a box!. I'd load for hours until my hands were silver up to the wrist. I don't think it hurt me....or did it? Anyway I just cut some elevator weights two days ago and have found the cleanest way to do it is with a hammer and a wood chisel on a steel plate. Faster than sawing and no mess.
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Actual repeat offender.
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01-21-2013, 10:06 AM
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Join Date: Dec 2006
Location: Oakland CA
Posts: 771
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I had the same worries but simply used the same safety precautions I use with fiberglass and epoxy work: wear throw away gloves when handling things and appropriate breathing protection when creating dust or around vapors, keep wearing them until things are cleaned up. I presumed that this was an abundance of caution...I could be wrong 
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All Best
Jeremy Constant
RV7A "Stella Luna" ECI IO-360 WW200RV Pmags 360hrs
VAF 2019 paid plus some for those who can't
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01-21-2013, 11:29 AM
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Join Date: Jan 2005
Location: Near Scipio, in Southern Indiana
Posts: 1,779
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Nothing to worry about...
I have heard working with heavy metals affects your memory. I have done a lot of bullet casting, soldering, and plumbing work in my life, and I have heard working with heavy metals affects your memory. I don't think it has bothered me in the least, although I have heard working with heavy metals affects your memory
Bob
__________________
Bob Kelly, Scipio, Indiana
Tech Counselor
Founder, Eagle's Nest Projects
President, AviationNation, Inc
RV-9A N908BL, Flying
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01-21-2013, 11:37 AM
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Join Date: Aug 2011
Location: Central Pennsylvania
Posts: 10
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The big problem with lead is buildup in the blood stream. The most common cause is injestion. We used to have lunchs at our gun club in the room with the indoor range. I would never eat there and was laughed at by some of our members. So, the number one preventative is washing your hands after handling lead. The number two is never to smoke when your working with lead. Lead can actually be removed from the blood stream but its a painful
process. Ask some of the guys that used to shoot with me.
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01-21-2013, 11:41 AM
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Join Date: Jan 2007
Location: Battleground
Posts: 4,348
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Quote:
Originally Posted by videobobk
I have heard working with heavy metals affects your memory. I have done a lot of bullet casting, soldering, and plumbing work in my life, and I have heard working with heavy metals affects your memory. I don't think it has bothered me in the least, although I have heard working with heavy metals affects your memory
Bob
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What was the question?
__________________
Smart People do Stupid things all the time. I know, I've seen me do'em.
RV6 - Builder/Flying
Bucker Jungmann
Fiat G.46 -(restoration in progress, if I have enough life left in me)
RV1 - Proud Pilot.
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