Primary standard definition

Primary standard means a national primary ambient air quality standard identified in Chapter 4.

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.

Primary standard means an ambient standard established to protect public health.

Examples of Primary standard in a sentence

• Primary standard reference materialThe primary calibration standard for the fluorescent immunoassay is “CAP Urine Protein Reference Material, human albumin Cohn Fraction V”.

• Any area that is designated attainment or unclassifiable for ozone under section 7407(d)(4) of this title, and that is subsequently redesignated to nonattainment for ozone under section 7407(d)(3) of this title, shall, atattainment date**Area class Design value* Primary standard Marginal ..

• Primary standard solution is one which can be prepared directly by weighing and with which other solutions of approximate strength can be titrated and standardized.

• The schema of dosimetry tractability to primary standards for g -rays is illustrated in Fig.1. Primary standard u=2% (k=2)Intercomparison Ceri-cerous Dosimeter (4~25)kGyHK(Ag)DcDosimeter (4~40)kGyLagDc Dosimeter (0.4~5)kGyAlanine/ESR Dosimeter (0.05~40)kGyTransfer Standard u=4% (k=2) Liquid Chemical working Dosimeter (0.04~50)kGySolid Working Dosimeter (0.04~50)kGySubstitution MethodWorking Dosimeter u=10% (k=2) Figure 1.

• Titrate this acid against 0.1N Na2CO3 (Primary standard) using methyl orange as indicator.

More Definitions of Primary standard

Primary standard means a national primary ambient air quality standard promulgated pursuant to section 109 of the Act.

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 national primary ambient air quality standard § 51.100promulgated pursuant to section 109 of the Act.

Primary standard means a standard which has the highest metrological qualities;