Abstract:
:A number of Norwegian soldiers have reported health problems after live-fire training using the HK416 rifle. The objective of this study was to characterize gaseous and particulate emissions from three different types of ammunition, and record the health effects after exposure to emissions from live-firing. Fifty-five healthy, non-smoking men (mean age 40 years) were recruited and divided randomly into three groups, one for each type of ammunition. All subjects fired the HK416 rifle in a semi-airtight tent for 60 min using leaded ammunition, unleaded ammunition and modified unleaded ammunition. Gaseous and particulate emissions were monitored within the tent. The symptoms experienced by the subjects were recorded immediately after and the day after firing using a standardized questionnaire. The concentrations of particulate matter and copper exceeded their respective occupational exposure limits (eight hours per day, five days a week) by a factor of 3 and 27, respectively. Of the 55 subjects, 54 reported general and respiratory symptoms. The total number of symptoms reported was significantly higher among shooters using unleaded ammunition as compared with the use of leaded and modified unleaded ammunition. Copper was the substance that had the highest concentration relative to its toxicity. Although the general symptoms were found to be consistent with the development of metal fume fever, the respiratory symptoms indicated an irritant effect of the airways different from that seen in metal fume fever. More symptoms were reported when unleaded ammunition was used compared with leaded and modified unleaded ammunition.
journal_name
Inhal Toxicoljournal_title
Inhalation toxicologyauthors
Voie Ø,Borander AK,Sikkeland LI,Grahnstedt S,Johnsen A,Danielsen TE,Longva K,Kongerud Jdoi
10.3109/08958378.2014.970783subject
Has Abstractpub_date
2014-12-01 00:00:00pages
873-9issue
14eissn
0895-8378issn
1091-7691journal_volume
26pub_type
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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abstract:OBJECTIVE:Worldwide popularity of waterpipe tobacco smoking has increased, including in pregnant women. This study investigates the effect of prenatal waterpipe tobacco smoke (WTS) exposure on airway inflammation in a murine model of asthma of adult offspring mice. MATERIALS AND METHODS:Pregnant BALB/c mice were expos...
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abstract::Background: The correlation of physico-chemical properties with mechanisms of toxicity has been proposed as an approach to predict the toxic potential of the vast number of emerging nanomaterials. Although relationships have been established between properties and the acute pulmonary inflammation induced by nanomateri...
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journal_title:Inhalation toxicology
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abstract::The purpose of this study was to characterize the respiratory effects of single and repeated controlled exposures to clean warm humid and cold dry air in a new model of anesthetized, mechanically ventilated guinea pigs, and to compare findings with known effects in humans. Intratracheal air (T(tr)) and retrotracheal t...
journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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abstract::Nonhuman primates are often the animal models of choice to study the infectivity and therapy of inhaled infectious agents. Most animal models for inhaled infectious diseases use aerosol/droplets generated by an atomization technique such as a Collison nebulizer that produces particles in the size range of 1 to 3 micro...
journal_title:Inhalation toxicology
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abstract:CONTEXT:Particulate air pollution, for example, from ultrafine (UF) particles, has negative health effects. However, there is still limited knowledge regarding the fate of inhaled particles in the human body. OBJECTIVES:To describe the normal lung deposition and 1 week particle retention of indium-111 labeled UF carbo...
journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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