Examlex
What does the symbol t represent in the following: t₍₄₂₎ = 5.15, p < .01?
Drinking Water
Water that is considered safe and clean for human consumption, meeting established health standards.
State Governments
represent the governing bodies of individual states in a federal system, responsible for local law and order, education, and public health, among other areas.
Standard
An established criterion or model regarded as a basis for comparison or assessment in various fields, including quality, behavior, or regulation.
State Implementation Plan
A document prepared by states in which the emissions to the air from individual sources are limited legally so that the area will meet the national ambient air quality standards.
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