Bibliographic record
Abstract
Abstract Introduction and methods A recent survey of aerosol sampling heads used within the metals industry was done in parallel to a survey of European laboratories concerning the methods used for the determination of nickel in workplace air. Results This survey revealed a wide variety of inhalable, thoracic, and respirable samplers as being commonly used for measuring metals and metalloids exposure in workplaces. Discussion In April 2019, the Nickel Institute, a global association of primary nickel producers, held a meeting with interested parties regarding the development or adaptation of existing sampling trains to measure low levels of metals and metalloids in the workplace. The parties involved agreed on the need for international sampler comparison studies. The main objective of these studies is to compare currently used (and validate any newly developed) personal samplers for measuring particulate-related exposure (and more specifically metals and metalloids) in workplace settings. Sampler efficiency studies for relevant aerosol size fractions of those samplers currently on the market will also be included in this effort. Conclusion In this presentation, an overview of why sampler comparison and efficiency studies are needed will be provided, together with recent outcomes of a laboratory and field study funded by Worksafe BC (Canada).
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.004 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".