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Originally posted by Alexander the o.k.
Do you guys even read the sources that are posted with regard to ingesting / toxicity of metals ?
Leave the disingenuous comments to others with better standings on the board.
Is silver harmful to humans?
Unlike other metals such as lead and mercury, silver is not toxic to humans and is not known to cause cancer, reproductive or neurological damage, or other chronic adverse effects. Nor has normal day-to-day contact with solid silver coins, spoons or bowls been found to affect human health. This is because solid silver is almost completely biologically inert, and even if ingested, would pass through the human body without being absorbed into tissues.
In very high doses — such as those a factory worker might encounter in an accident — or from prolonged exposure to silver dust or fumes, silver can have some mostly mild effects on health. For example, inhaling silver fumes or dust may irritate mucous membranes or the upper respiratory tract.
Occasionally, sensitive individuals suffer allergic reactions — contact dermatitis or eye irritation — after exposure to powdered silver, silver solutions or dental fillings. Similarly, skin creams containing silver compounds (silver nitrate and silver sulphadiazine) cause local skin discoloration in certain sensitive individuals. Ingesting silver compounds, such as in medicines, can sometimes irritate the stomach.
Prolonged exposure to silver dust or to the silver compounds in medicines or supplements can also result in a permanent blue-gray staining of the eyes, nose, mouth, throat and skin. This blue-gray staining is known medically as “argyria.” The condition can make people look ill, as if they suffering from lack of oxygen. Once a person turns blue from argyria, the skin coloring is unfortunately permanent. Most medical professionals believe argyria is the most serious known health effect of silver on humans. Aside from its permanent cosmetic effect, argyria is not believed to pose any other risk to human health.
The mild, observed human health effects of silver exposure appear to be highly variable from one person or situation to another. Scientists have not identified exposure levels that can be generalized as harmful.
Potential Acute Health Effects: Hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, of inhalation.
Handle only in well ventilated areas.
Do not get in eyes or on skin or on clothing.
Do not take internally.
Do not breathe dust.
Do not reuse containers.
Clean up spills as they occur.
Originally posted by Alexander the o.k.
zero,
I suggest you start a thread as to why weather modding is impossible, giving your reasoning, rather than to try to derail this thread with disingenuous and off topic 'questions'.
The 17th Conference on Planned and Inadvertent Weather Modification, cosponsored by the American Meteorological Society and the Weather Modification Association, and organized by the AMS Committee on Planned and Inadvertent Weather Modification, will be held April 21-25, 2008 in Westminster, Colorado (between Boulder and Denver).
ABSTRACT. Silver iodide is currently the most favored cloud seeding material in weather modification projects. While the literature indicates that its ecological effects are likely to be insignificant, its disposition in the terrestrial ecosystem after snow melt has not been adequately studied. Silver levels in soil, plant and litter material are being monitored twice a year on a mountainous area in southwestern Colorado, to determine whether annual accretion from cloud seeding can be measured with current techniques and whether significant changes in silver concentration take place in grass, aspen, and spruce communities. One AgI generator site is also being monitored.
Comparison of silver concentrations in terrestrial components of the target area indicates no measurable increase after the first winter's seeding. On an ash basis, spruce foliage and litter contain about four times as much silver as soil. On a dry weight basis, soil from all three plant communities contains about six times as much silver as foliage. Consistent increases in silver concentration were found in soil and pine foliage within 200 meters of one generator site.
Source
Water quality monitoring data in the Fraser River basin includes that measured by the
Colorado Department of Public Health and Environment's Water Quality Control Division
at Granby. A review of the data from this station for the period from 1977 to 1987
indicates elevated phosphorus, mercury, cadmium, copper, silver and lead
concentrations as well as pH as high as 8.5.
Source
This action implements revisions to the Basic Standards and Methodologies for Surface Water adopted by the Commission in January, 1995. As part of a July, 1994 rulemaking hearing, the Commission considered the proposal of various parties to delete the chronic and chronic (trout) table values for silver in Table III of the Basic Standards. As a result of that hearing, the Commission found that the evidence demonstrated that ionic silver causes chronic toxicity to fish at levels below that established by the acute table values. It was undisputed that silver is present in Colorado streams and in the effluent of municipal and industrial dischargers in Colorado. The evidence also demonstrated that the removal of silver from wastewater can be costly
Source
The Office of Environment, Health and Safety, UC Berkeley, rates silver iodide as a Class C, non-soluble, inorganic, hazardous chemical that pollutes water and soil.(8) It has been found to be highly toxic to fish, livestock and humans.(6,7,8,9) Numerous medical articles demonstrate that humans absorb silver iodide through the lungs, nose, skin, and GI tract.(7,8,9) Mild toxicity can cause GI irritation, renal and pulmonary lesions, and mild argyria (blue or black discoloration of the skin). Severe toxicity can result in hemorrhagic gastroenteritis, shock, enlarged heart, severe argyria, and death by respiratory depression.(8)
Source
Originally posted by puzzled2
hi mister Xtrozero
All like the OP said so why are you denying their existence?
also they do seed in the UK
WARNING! HARMFUL IF SWALLOWED OR INHALED. CAUSES IRRITATION TO SKIN, EYES AND RESPIRATORY TRACT. CHRONIC EXPOSURE MAY PRODUCE IODISM
...
15. Regulatory Information
--------\Chemical Inventory Status - Part 1\---------------------------------
Ingredient TSCA EC Japan Australia
----------------------------------------------- ---- --- ----- ---------
Sodium Iodide (7681-82-5) Yes Yes Yes Yes
--------\Chemical Inventory Status - Part 2\---------------------------------
--Canada--
Ingredient Korea DSL NDSL Phil.
----------------------------------------------- ----- --- ---- -----
Sodium Iodide (7681-82-5) Yes Yes No Yes
--------\Federal, State & International Regulations - Part 1\----------------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
----------------------------------------- --- ----- ---- --------------
Sodium Iodide (7681-82-5) No No No No
--------\Federal, State & International Regulations - Part 2\----------------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
----------------------------------------- ------ ------ ------
Sodium Iodide (7681-82-5) No No No
Chemical Weapons Convention: No TSCA 12(b): No CDTA: No
SARA 311/312: Acute: Yes Chronic: Yes Fire: No Pressure: No
Reactivity: No (Pure / Solid)
Source
Long-term ingestion of iodine in amounts that exceed dietary requirements may lead to iodism
(see chronic effects section C). The direct acute toxicity of iodine is due to its irritant properties
(NAS, 1980). In excessive amounts, elemental iodine (I
2
) is corrosive and irritates tissue via all
routes of exposure (inhalation, ingestion, and skin contact). Airborne iodine is an irritant of the
respiratory system, eyes, and skin, and may have adverse effects on the central nervous system
and cardiovascular system (Genium, 1999). Pharmaceutical solutions applied to the skin or
ingested generally have low toxicity. However, in rare instances, an individual may display
hypersensitivity to skin contact with iodine. Symptoms of hypersensitivity include fever and
generalized skin reaction (Hardman et al., 1996).
Check out the source!
Originally posted by Xtrozero
You can’t just say oh look at the chem trails that are crossing all of America everyday without thinking how they got there and the airplanes dumping them would be just the tip of the spear. This would be a massive operation with 1000s of people involved.
The huge amount of chemicals and the fleet of aircraft needed for this undertaking is something that just cannot be overlooked. These aircraft would also need systems on them to store and spray the chemicals that as of today are a hidden mystery of something that once again would be so numerous it could not stay hidden.
[edit on 19-11-2007 by Xtrozero]
Originally posted by puzzled2
reply to [
hi mister Xtrozero - for pictures try
here for photos of the equipment
Do a google for cloud seeding companies. 100's and therefore thousands of employees.
All like the OP said so why are you denying their existence?
Almost like saying there is no drug problem as there isn't any obvious factories or supply lines.
[edit on 20-11-2007 by puzzled2]
Originally posted by Earthscum
From what I can remember, they only use a small amount of these chemicals, and they are simply added into the fuel. In the past they were labeled as things such as "Fuel Catalysts". A small amount is all that's needed to supercondense the vapor already produced by the jet. Those droplets fall and collect with other vapor in trhe air and eventually fall to earth in the form of rain (and jet fuel byproducts).
Have you ever seen a jet vapor actually grow into a cloud other than the thin line that we see? When you are talking about a small amount, how diluted does it become as it is dumped out of the jet exhaust at 35,000 feet before it hits the ground?
Originally posted by stompk
reply to post by TheAvenger
Avenger, what methods are you using to detect silver?
Sorry Avenger, I'm having a little trouble believing your info.