700 430 ffffff false ffffff Arial 13 000000 2 multipleselect false To avoid using more labor-intensive methods false To provide additional credible information for sample threat assessment true To screen for high risk agents to protect laboratory personnel and facilities true To tentatively identify contaminants in the field which may reduce the time needed to confirm the existence of a contaminant true All of the above false Yes, that is correct. The correct answers are B, C, and D. Field screening is performed for the following reasons: to provide additional credible information for sample threat assessment, to screen for high risk agents to protect laboratory personnel and facilities and tentatively identify contaminants in the field which may reduce the time needed to confirm the existence of a contaminant. Sorry, that is incorrect. The correct answers are B, C, and D. Field screening is performed for the following reasons: to provide additional credible information for sample threat assessment, to screen for high risk agents to protect laboratory personnel and facilities and tentatively identify contaminants in the field which may reduce the time needed to confirm the existence of a contaminant. Sorry, that is incorrect. That is incorrect.