The Constitutionality of Toxic Substances Regulation Under the Canadian Environmental Protection Act
Bibliographic record
Abstract
After World War II, there was a chemical explosion. New chemicals were introduced into the market place in unprecedented numbers and in large quantities. While many of the chemicals were beneficial, the risks they posed to human health and the environment were unknown. Long latency periods, subclinical effects, selective impacts and irreversible outcomes made it difficult to identify and rectify damage caused by the chemicals? In the absence of uniform national regulations, many chemicals were transported across provincial and national borders. Sometimes spills occurred. Finally, the chemicals had to be disposed of after their useful lives. Since chemical wastes were viewed as a by-product of economic growth, their disposal was left to industry with little governmental regulation. Industrial pollution was dealt with in a reactive manner. That is, the focus was on cleaning up the mess rather than on preventing the problem.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.010 | 0.021 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.012 | 0.009 |
| Scholarly communication | 0.008 | 0.002 |
| Open science | 0.003 | 0.003 |
| Research integrity | 0.007 | 0.009 |
| Insufficient payload (model declined to judge) | 0.006 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".