Native Flags for CASTNet Dry Chemistry - Weekly Filter Pack Concentrations
Here are your query results:
| ProtocolID | Flag | StatusFlag | Description | FlagType | SourceColumn |
| 2301 | | V0 | Valid data | Data Quality | %_f |
| 2301 | ! | V4 | X and U apply | Data Quality | %_F |
| 2301 | # | V6 | Both U and L flags apply | Data Quality | %_f |
| 2301 | $ | V4 | L and U apply | Data Quality | %_F |
| 2301 | < | I1 | Invalid chemistry data and/or less than 75% valid flow data | Data Quality | %_F |
| 2301 | 0 | V0 | Level 0 validated data | Quality Assurance | QA_CODE |
| 2301 | 1 | V0 | Level 1 validated data | Quality Assurance | QA_CODE |
| 2301 | 1X | I0 | Level 1 data that are suspect based on manual screening. Data should be omitted from any statistical analyses. | Quality Assurance | QA_CODE |
| 2301 | 2 | V0 | Level 2 validated data | Quality Assurance | QA_CODE |
| 2301 | 3 | V0 | Level 3 validated data | Quality Assurance | QA_CODE |
| 2301 | D | NA | Dateon or dateoff questionable | Quality Assurance | qa_code |
| 2301 | GS | I1 | Government shutdown period | Quality Assurance | QA_CODE |
| 2301 | I | I1 | Invalid chemistry data and/or less than 75% valid flow data | Data Quality | %_f |
| 2301 | L | V4 | Less than 90% but greater than or equal to 75% valid flow data | Data Quality | %_f |
| 2301 | M | I0 | Missing or completely invalid flow data | Data Quality | %_f |
| 2301 | N | I0 | Sample not analyzed | Data Quality | %_f |
| 2301 | R | V0 | Re-run value used in calculation | Data Quality | %_f |
| 2301 | S | V6 | Both L and R flags apply | Data Quality | %_f |
| 2301 | U | V4 | Undetected - value listed is the reporting limit corrected by flow volume | Data Quality | %_f |
| 2301 | x | V4 | Data quality issue has been identified and will be resolved in future update | Quality Assurance | qa_code |