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You should AVERAGE answering each question in less than 100 seconds for this exam Note: All of the following questions contain only one best answer. Circle the letter that best corresponds with the question. |
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1 |
Physical and chemical measurements used in laboratories should be selected by which of the following criteria? |
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a. |
Should measure required constituents of the sample in the presence of normal interferences with sufficient precision and accuracy to meet the water data needs |
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b. |
Should use equipment and skills ordinarily available in the average laboratory |
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c. |
Should be sufficiently tested to have established validity and efficiency to permit repetitive routine use in the examination of a large number of samples |
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d. |
All of the above |
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2 |
Responsibility for the results obtained from use of a nonstandard procedure rests with the |
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a. |
analyst |
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b. |
laboratory supervisor |
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c. |
EPA coordinator |
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d. |
both a and b |
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a. |
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a. |
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