Which of the following are essential elements of a QA Project Plan (QAPP)? a. Li

Question

Which of the following are essential elements of a QA Project Plan (QAPP)? a. List of Calibration Procedures and Frequency b. Internal Quality Control Checks c. Project Description d. All of the Above Best identify the underlined item(s) from the list below. Fifteen samples are taken in the field; duplicates are obtained for five of the samples. All samples are sent to the laboratory for analysis. Prior to any manipulation of the field samples (e.g., extraction, concentration), 100 uL of a solution containing known concentrations of three pure compounds is added to each sample. a. surrogate standard(s) b. blank/control sample(s) c. calibration check(s) d. matrix/spike duplicate(s) e. replicate sample(s) f. none of the above Best identify the underlined item(s) from the list below. Fifteen samples are taken in the field; duplicates are obtained for five of the samples. All samples are sent to the laboratory for analysis. Prior to any manipulation of the field samples (e.g., extraction, concentration), 100 uL of a solution containing known concentrations of three pure compounds is added to each sample. a. surrogate standard(s) b. blank/control sample(s) c. calibration check(s) d. matrix/spike duplicate(s) e. replicate sample(s) f. none of the above

Explanation / Answer

Question 10:

Option (d) is correct choice.

List of Calibration Procedures and Frequecy, Internal Quality Control Checks, and Project Description.

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Question 11:

Option (a) is correct choice.

Surrogate Standards

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Question 12:

Option (e) is correct choice.

replicate samples.

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