The public health hazard malaria constituted before the 1950s was summarised by Dr Ira Ayer, a Department of Public Health adviser writing in 1926: Year in and year out malaria justifies its characterization … as the greatest single destroyer of the human race.
Progress made in the previous application necessitated its trial on the purification of PE, which currently constitutes hazard to the environment.
One challenge in demonstrating the gravity of the problem to the public is the lack of national standards about what level of contamination constitutes a hazard.
In their defense, the companies have said that with so many recalls, it is hard to ascertain what constitutes a hazard requiring an immediate fix.
Contamination stems from a continuous source that feeds a steady plume which constitutes the hazard source.
And, the report emphasizes, "[a]s the content expert in matters related to the laboratory, the PI [principal investigator] is most able to provide guidance concerning what constitutes a hazard in the performance of an experiment or research plan".
This 'press button' performance in the actual hazard detection task was not considered in this study because previous analysis indicated large variability in 'press button' scores and the influence of subject specific definition of what constitutes a hazard [18].
Our choice of recycled LDPE is borne out of environmental consideration, as LDPE from sachets disposed from consumed water sachets constitutes environmental hazards in our towns, cities and villages.
In studies using the case-crossover method to explore environmental effects, the hazard period is constituted by person-time during which the event occurred.
The moose is a great prize for hunters, but it also constitutes a traffic hazard.
