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Lead level in the blood
Discussion regarding the reloading of ammunition and tuning of loads for accuracy
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SwampFox
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PostPosted: Tue Feb 03, 2009 5:28 pm    Post subject: Re: Lead level in the blood Reply with quote

"Any business owner has a right to run his business as he sees fit AND customers have a right to determine if we wish to do business with then."

You would not believe the number of Feds that would disagree with you. We business owners are in business to keep the Feds in holidays and coffee breaks. Didn't ya know? Very Happy
Best,
Ed

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OntheLasGallinas
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PostPosted: Tue Feb 03, 2009 10:48 pm    Post subject: Re: Lead level in the blood Reply with quote

As a Texas licensed Lead Risk Assessor, I’ve seen problems with lead in several areas.

The main one is lead paint. When lead paint gets old, it sloughs off as a dust that settles on all surfaces. This one is not so much of a problem with adults, but children crawl around on the floor and touch everything, then put their hands in their mouths. High lead in children can cause brain damage and it doesn’t take very much. I do most of my lead work in homes with children that have tested high for lead.

I’ve seen high blood lead in adults who mold their own bullets, without proper ventilation. This is also a problem with radiator repair shops. Any place that works with lead. The main pathway into the body is from ingestion, not from contact.

I’ve only tested soils at shooting ranges, mostly military and older (closed) ranges. I’ve never had any reports of high blood lead in shooters. That doesn’t mean it can’t happen.

The main problem with lead is that it won’t go away easily. It’s a heavy metal, and very persistent. It takes quite a long time to get sick from lead exposure, but, if you’ve reached a level that will make you sick, it will take a long time to get over it. For children, it’s 10 ug/dL (parts per billion). For adults is around 40 ug/dL.

Here’s what the Mayo Clinic has to say about it:

Symptoms
Lead poisoning may be hard to detect at first, because children who appear healthy can have high levels of lead in their bodies. The accumulation of lead usually is gradual, building up unnoticed until levels become dangerous and cause signs and symptoms.
Signs and symptoms in children
The signs and symptoms of lead poisoning in children are nonspecific and may include:
 Irritability
 Loss of appetite
 Weight loss
 Sluggishness
 Abdominal pain
 Vomiting
 Constipation
 Unusual paleness (pallor) from anemia
 Learning difficulties
Signs and symptoms in adults
Although children are primarily at risk, lead poisoning is also dangerous to adults. Signs and symptoms of lead poisoning in adults may include:
 Pain, numbness or tingling of the extremities
 Muscular weakness
 Headache
 Abdominal pain
 Memory loss
 Mood disorders
 Reduced sperm count, abnormal sperm

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gelandangan
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PostPosted: Wed Feb 04, 2009 1:03 am    Post subject: Re: Lead level in the blood Reply with quote

Ok Cary, got your point, no need to post 3 times Very Happy

Or does lead symptoms include sticky finger as well? Laughing

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Vince
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PostPosted: Wed Feb 04, 2009 4:27 am    Post subject: Re: Lead level in the blood Reply with quote

You are stuttering Cary...... Laughing ROFL Haha

Cheers, Vince

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OntheLasGallinas
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PostPosted: Wed Feb 04, 2009 5:44 am    Post subject: Re: Lead level in the blood Reply with quote

I kept getting this message after I sent the message:

"A database error has occurred

The webmaster has been notified of the error"

I thought it wasn't going through.

That's a heck of a large post to be hung up on a studder! Very Happy

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stovepipe
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PostPosted: Wed Feb 04, 2009 8:31 am    Post subject: Re: Lead level in the blood Reply with quote

Stumbled onto something in my Lee reloading manual last night about how there could be a risk from handling tumbling media and tumbled cases due to the lead in primers.

Think I'll wear nitryl gloves next batch. I do when changing oil, using harsh chemicals etc.

I sometimes wonder why I don't have a third eye with all the stufff I've been exposed to. Caustics, cyanide, chromich acids, etc...
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Pumpkinslinger
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PostPosted: Wed Feb 04, 2009 4:19 pm    Post subject: Re: Lead level in the blood Reply with quote

I had considered making something to "wash" cleaned brass with compressed air to remove media and dust but didn't ever think about lead from primers. Of course now I guess I'd just be blowing the lead into the air? I could combine compressed air with a vacuum. Hmmm... Any thoughts on this?

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stovepipe
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PostPosted: Wed Feb 04, 2009 4:27 pm    Post subject: Re: Lead level in the blood Reply with quote

I'd still have to pick the flash holes on my stuff... so that means hands on, so gloves get the call now if for no other reason my grimy hands mess up the nice finish.

I'm tinkering with idea converting my dishwasher over into a brass-cleaner, maybe hog out the holes in the spray bar for media, trim the rack finger thingy's down to case lentgh....plop in some brass polish where the soap used to go etc.

Don't use it much for dishes.... gotta be a gun related use for it...it get's used for dirtbike parts more than dishes. Laughing
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chambered221
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PostPosted: Wed Feb 04, 2009 6:07 pm    Post subject: Re: Lead level in the blood Reply with quote

Mike, I rinse with water and let set over night to dry !!!

If you use a vacum, use a hepa !!!

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Vince
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PostPosted: Thu Feb 05, 2009 2:20 am    Post subject: Re: Lead level in the blood Reply with quote

I really don't think I would be gettin' all panicky over the tiny tiny bit of lead you are likely to come into contact with when cleaning cases.

If you feel that there is a problem with the possibility of lead contamination from primers whilst cleaning cases...do it outside. Or, do as I do, cut some strips of paper hand towel (5 or 6) about 2" wide, wet them and throw them into the case tumbler while it is working...no more dust...of any kind. Works for me. In fact, I remember some time back a thread where someone mentioned putting the fancy pretty smelly strips that you guys have for the clothes dryer into the case tumbler...same thing I reckon.

Unless you are sitting over the top of you melting pot when casting, then I don't see that it is a major problem. However, having said that, I do wear a respirator, with the appropriate filters, and safety glasses when casting because I usually spend at least 3 or 4 hours casting up boolits.

If you follow sensible and safe procedures when doing ANYTHING to do with handloading, then you have 99% of the battle won.

*When casting ensure adequate (read open windows and doors) ventilation.
*Wear a respirator if you are going to be "over" the melting pot for any length of time.
*Wear safety glasses.
*Keep water well away from the molten alloy mix. (It WILL be nasty if you splash water into it.)
*Pay attention to what you are doing...ALWAYS.
*Have a break every now and again. Fatigue breeds complacency, which in turn causes errors, mistakes and problems.

Cheers, Vince

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Illegitimi non carborundum
(Never let the bastards grind you down)

Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God.

"Nulla Si Fa Senza Volonta."
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SwampFox
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PostPosted: Thu Feb 05, 2009 7:04 am    Post subject: Re: Lead level in the blood Reply with quote

Guys, Vince brought up a good point, water.

Unfortunately I know the effect from experiance. I make alloy in the winter. Years ago while casting I dropped a battery terminal about the size of a D cell battery, from a broken-up battery into my 100# pot. I did not see that ice had formed in a very little cavity on the bottom of the terminal. There was an instant explosion which blew half (50#) of the pot into the air in a 40 foot in diameter circle, luckily I wore glasses at the time and due to the cold had a heavy jacket on and gloves. It was unbelieavable how violent the explosion was. I found shards of lead stuck into and onto stuff for months. Luckily I just had droplet size blisters on my face around the glasses. I lost a bit of hair also. So, be careful about water.
Best,
Ed

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Pumpkinslinger
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PostPosted: Thu Feb 05, 2009 7:51 am    Post subject: Re: Lead level in the blood Reply with quote

Yep Vince, I drop strips of used dryer sheets in my tumbler, a trick I think I learned here on HuntingNut.

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