| 1. | Secondary standards are calibrated with reference to a primary standard.
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| 2. | The secondary standards are concerned with protecting the environment.
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| 3. | The Safe Drinking Water Act sets primary and secondary standards for drinking water.
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| 4. | Secondary standards include crystal oscillators and rubidium standards.
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| 5. | These recommendations are called National Secondary Drinking Water Regulations ( NSDWRs ), or secondary standards.
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| 6. | The next quality standard in the hierarchy is known as a " secondary standard ".
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| 7. | Secondary standards are designed to protect public welfare from any known or anticipated adverse effects of a pollutant.
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| 8. | Numerous algorithms have been developed to compare a Josephson standard with a secondary standard or another Josephson standard.
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| 9. | Sometimes they are ( incorrectly ) called " secondary standards " because of their high quality and reference suitability.
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| 10. | This e . g .'measuring stick'then becomes a'secondary standard', traceable to NIST.
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