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Record W2160652324 · doi:10.1002/9780470027318.a0858

Quality Assurance in Environmental Analysis

2000· other· en· W2160652324 on OpenAlexaff
Malcolm Clark

Bibliographic record

VenueEncyclopedia of Analytical Chemistry · 2000
Typeother
Languageen
FieldEnvironmental Science
TopicWater Quality and Resources Studies
Canadian institutionsMinistry of Environment
Fundersnot available
KeywordsCredibilityDocumentationQuality assuranceAuditQuality (philosophy)Process (computing)Risk analysis (engineering)Computer scienceProcess managementReliability (semiconductor)Operations managementEngineeringBusinessAccounting

Abstract

fetched live from OpenAlex

Abstract Vigorous and thorough programs of quality assurance (QA) are vital to ensure that environmental analysis studies yield results which are trustworthy, scientifically credible, and of known quality commensurate with their intended use. Mistakes in any step of the environmental analysis process can result in a substantial increase in random and nonrandom errors. Poor design of an environmental analysis program or failure to adhere to good scientific practices (GSP) for every step of the environmental analysis process can result in compromised or even meaningless results. Therefore, a holistic approach must be taken to ensure adequate QA is implemented for each and every step of the environmental analysis process, from initial study design through final information reporting. However, there is a substantial economic cost toincorporate QA on such a thorough and comprehensive basis. Therefore, QA efforts are unlikely to succeed unless management is committed to the value of these efforts. Increased recognition of the importance of QA, plus broadened international adoption of harmonized standard QA methodologies, has substantially improved the reliability of environmental analyses. QA ensures that environmental monitoring results are compatible with project goals, are comparable between different agencies, and maintain a high degree of scientific credibility. The key elements of QA programs include comprehensive planning, defined data quality objectives (DQOs), thorough training of personnel, standard operating procedures, detailed documentation, timely resolution of problems, regular reporting, routine independent audits plus regular challenges of study elements.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.029
metaresearch head score (Gemma)0.035
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.029
Threshold uncertainty score0.154

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0290.035
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0040.006
Science and technology studies0.0030.007
Scholarly communication0.0100.005
Open science0.0020.005
Research integrity0.0030.004
Insufficient payload (model declined to judge)0.0140.006

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.

Opus teacher head0.014
GPT teacher head0.243
Teacher spread0.229 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreOther

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".

Quick stats

Citations6
Published2000
Admission routes1
Has abstractyes

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Same venueEncyclopedia of Analytical ChemistrySame topicWater Quality and Resources StudiesFrench-language works237,207