correction necessary to account for the effects of sample matrix. This is important to remember especially for risk assessments and highly contaminated samples. Reporting_detection_limit cannot be negative unless one of the radiological fields The concentration level (minimum_detectable_conc, above which results can counting_error, uncertainty, be quantified with critical_value) are confidence. It must populated. reflect conditions such as dilution factors and If method_detection_limit, moisture content. reporting_detection_limit, or reporting_detection_limit Numeric dt_result.reporting_detection_limit Required for all results quantitation_limit is for which such a limit is populated then appropriate. The detection_limit_unit is reporting_detection_limit required. column must be reported as the If detect_flag='N' and detection limit. result_type_code='SC', 'TRG' or 'TIC' then reporting_detection_limit is required. The quantitation limit refers to a minimum concentration of an analyte that can be measured within specified limits of precision and accuracy. It is generally 5-10 times the detection limit. If method_detection_limit, Thus, when quantitation reporting_detection_limit, or limits are used as quantitation_limit is quantitation_limit Text(20) dt_result.quantitation_limit reporting limits, the populated then laboratory is saying that detection_limit_unit is the analyte is not required. present in a sufficient amount to be reliably quantified (i.e. at a concentration above the quantitation limit). It may be present and even positively identified or "seen" at a lower concentration. The unit of If result_value is populated result_unit Text(15) rt_unit.unit_code dt_result.result_unit measurement of the then result_unit is required. result value.
correction necessary to account for the effects of sample matrix. This is important to remember especially for risk assessments and highly contaminated samples. reporting_detection_limit Numeric dt_result.reporting_detection_limit The concentration level above which results can be quantified with confidence. It must reflect conditions such as dilution factors and moisture content. Required for all results for which such a limit is appropriate. The reporting_detection_limit column must be reported as the detection limit. Reporting_detection_limit cannot be negative unless one of the radiological fields (minimum_detectable_conc, counting_error, uncertainty, critical_value) are populated. If method_detection_limit, reporting_detection_limit, or quantitation_limit is populated then detection_limit_unit is required. If detect_flag='N' and result_type_code='SC', 'TRG' or 'TIC' then reporting_detection_limit is required. quantitation_limit Text(20) dt_result.quantitation_limit The quantitation limit refers to a minimum concentration of an analyte that can be measured within specified limits of precision and accuracy. It is generally 5-10 times the detection limit. Thus, when quantitation limits are used as reporting limits, the laboratory is saying that the analyte is not present in a sufficient amount to be reliably quantified (i.e. at a concentration above the quantitation limit). It may be present and even positively identified or "seen" at a lower concentration. If method_detection_limit, reporting_detection_limit, or quantitation_limit is populated then detection_limit_unit is required. result_unit Text(15) rt_unit.unit_code dt_result.result_unit The unit of measurement of the result value. If result_value is populated then result_unit is required.
e-TREADS_EDD_Manual.docx