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Pharmacology, Toxicology and Environmental Health Commons™
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Articles 1 - 6 of 6
Full-Text Articles in Pharmacology, Toxicology and Environmental Health
Validation Of Passive Air Sampling Monitors Onboard United States Navy Submarines, Larry A. Mcfarland
Validation Of Passive Air Sampling Monitors Onboard United States Navy Submarines, Larry A. Mcfarland
Community & Environmental Health Theses & Dissertations
An operating submarine creates a unique air quality mixture of compounds that result from a combination of human metabolism, construction materials, materials brought onboard and compounds created through the interaction of ship systems. A comprehensive study of submarine atmospheres is ongoing during deployments of U.S. Navy nuclear submarines. As part of the overall effort, a paired air sampling comparison field validation was conducted to compare the air sampling effectiveness of passive diffusive monitors compared to more traditional active air sampling methods when sampling for acrolein, formaldehyde and ozone in the enclosed submarine atmosphere. Acrolein monitors containing 2-hydroxymethylpiperidine (HMP) impregnated glass …
The Accuracy Of Nitrous Oxide Passive Dosimeters As Compared With An Infra-Red Spectrographic Reference Method, Susan Allen
The Accuracy Of Nitrous Oxide Passive Dosimeters As Compared With An Infra-Red Spectrographic Reference Method, Susan Allen
Community & Environmental Health Theses & Dissertations
Nitrous oxide is a gas often used in dental, surgical and veterinary operations as an anesthetic agent. Employees stationed in proximity of fugitive gas emissions may potentially suffer adverse health effects from chronic exposure to this agent. Passive dosimeters can be worn in the breathing zone of potentially affected personnel during exposure periods, then later analyzed to quantify nitrous oxide exposure. This study sought to establish the accuracy of several commercially available passive monitoring devices for nitrous oxide by comparison against an infra-red spectrophotometric reference method.
Human Immunodeficiency Virus (Hiv)/Hepatitis B Virus (Hbv) Risk Perception Related To Needlestick Injuries At A Medical School In Norfolk, Virginia, Ronald B. Hartman
Human Immunodeficiency Virus (Hiv)/Hepatitis B Virus (Hbv) Risk Perception Related To Needlestick Injuries At A Medical School In Norfolk, Virginia, Ronald B. Hartman
Community & Environmental Health Theses & Dissertations
A limited number of studies have been conducted to assess the perceptions of risk of medical students and residents for acquiring Human Immunodeficiency Virus (HIV) or Hepatitis B Virus (HBV) via percutaneous (needlestick) injuries while performing clinical training. The purpose of this study is to investigate these perceptions of risk, and to determine whether there is an association between a high perception of risk and a low incidence of needlestick injury. The method of investigation was a four-page survey questionnaire. The instrument was investigated for reliability by use of a pilot study with a small group of medical students and …
A Test Of An Alternate Calibration Matrix For Niosh Method 7300, Robert T. Vitek
A Test Of An Alternate Calibration Matrix For Niosh Method 7300, Robert T. Vitek
Community & Environmental Health Theses & Dissertations
The purpose of this study was to determine if the analytical results (when determining cadmium, lead, and zinc concentrations) for air sample filters prepared and analyzed according to N:OSH Method 7300, differ significantly, from those obtained when the instrument is calibrated using EPA Method 200.7 acid matrix standards. The null hypothesis was that no statistically significant difference, measured at the 95% confidence level, would exist between results obtained from the two calibration standards. Careful standard and sample preparation, the use of an internal standard, and the application of working standard and working internal standard correction factors served to isolate the …
Validation Of A Bag Sampling Method For 1,3-Butadiene, Lori Eckenrode
Validation Of A Bag Sampling Method For 1,3-Butadiene, Lori Eckenrode
Community & Environmental Health Theses & Dissertations
At this time there is no NIOSH approved means for bag sampling 1,3-butadiene. An attempt was made to use the application of cold (0°F) to inhibit the reactivity of the gas prior to analysis. The State of California Air Resources Board has an approved method for the gas chromatographic analysis of 1,3-butadiene from stationary sources. The method was utilized in the application of industrial hygiene monitoring of affected workers. The application of cold was found to be ineffective at inhibiting the highly reactive nature of 1,3-butadiene. Analyte losses were too great to classify the method as an accurate measure of …
Effects Of Applied Soil Repellent Finish On Pesticide Residues In Work Clothing, Sandra L. Prior
Effects Of Applied Soil Repellent Finish On Pesticide Residues In Work Clothing, Sandra L. Prior
Community & Environmental Health Theses & Dissertations
This study explores the feasibility of using an applied soil repellent finish, Scotchgard, on 100% cotton denim fabric in order to enhance the removal of atrazine and alachlor residue during the laundering process. The experimental findings provided no statistically significant evidence that Scotchgard fabric protector reduced pesticide residuals on the 100% cotton denim fabric either before or after laundering. A significant finding secondary to the study involved the possible interaction of Scotchgard with the pesticide alachlor, leaving greater amounts of residual on the fabric after laundering than those found with no fabric treatment. This suggests that agricultural workers be cautioned …