Primary standard definition
Primary standard means a national primary ambient air quality standard identified in Chapter 4.
Primary standard means an ambient standard established to protect public health.
Primary standard means a standard which specifies a maximum contaminant level for any constituent found in a public water supply which, if exceeded, may adversely affect the health of persons.
More Definitions of Primary standard
Primary standard means a primary National Ambient Air Quality Standard (NAAQS) identified in Article 2, Section 4.
Primary standard means a standard defined and maintained by a State Authority and is used to calibrate secondary standards;
Primary standard means a national primary ambient air quality standard identified in Section 4 of these Regulation and Standards.
Primary standard means a measurement standard established using a primary reference measurement procedure, or created as an artifact, chosen by convention;
Primary standard means a standard which has the highest metrological qualities;
Primary standard means a very pure reagent of defined purity used as a reference for standardizing other reagent solutions.
Primary standard means the set of weights supplied by the Central Government under sub-section of section 4 of the Standard Weights Act, 1939.