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Today's Terms
Ambient
Definition:
Occurring over a short time, usually a few minutes or hours. An acute exposure can result in short term or long term health effects. An acute effect happens within a short time after exposure.
HMTUSA
Definition:
Hazardous Materials Transportation Uniform Safety Act (1999); amendments to HMTA including requirements for performance-oriented packaging.
Quality assurance and quality control (QA/QC)
Definition:
A system of procedures, checks and audits to judge and control the quality of measurements and reduce the uncertainty of data. Some quality control procedures include having more than one person review the findings and analyzing a sample at different times or laboratories to see if the findings are similar.
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