Ongoing instrument Each time instrument Field Team Leader/ Response within 20% CA: Make necessary repairs and function test is turned on tracking summary/ of predicted response re-verify (MetalMapper) Project Geophysicist Transmit current levels Evaluated for each Field Team Leader/ Current must be ≥5.5A CA: stop data acquisition (TEMTADS) sensor measurement tracking summary/ activities until condition Project Geophysicist corrected Transmit current levels Evaluated for each Field Team Leader/ Current must be ≥3.5A CA: stop data acquisition (MetalMapper) sensor measurement tracking summary/ activities until condition Project Geophysicist corrected Confirm all background Evaluated for each Project Geophysicist/ Ensure background CA: BG measurement rejected measurements are valid background Background summary/ variation does not and removed from active BG measurement QC Geophysicist impact ability to measurements classify correctly Confirm adequate Evaluated at start of Field Team Leader/ Minimum separation CA: Recollect all coincident spacing between units each day (or grid) Field Logbook/ of 50m measurements (TEMTADS) Project Geophysicist Confirm adequate Evaluated at start of Field Team Leader/ Minimum separation CA: Recollect all coincident spacing between units each day (or grid) Field Logbook/ of 25m measurements (MetalMapper) Project Geophysicist Confirm inversion model Evaluated for all Project Geophysicist/ Derived model Follow procedure in SOP or supports classification (1 models derived from a Measurement response must fit the RCA/CA of 3) measurement (i.e. QC summary/ observed data with a single item and QC Geophysicist fit coherence ≥ 0.8 models) Confirm inversion model Evaluated for derived Project Geophysicist/ Fit location estimate Follow procedure in SOP or supports classification (2 target Measurement of item ≤ 0.4m from RCA/CA of 3) QC summary/ center of sensor QC Geophysicist Confirm inversion model Evaluated for all seeds QC Geophysicist/ 100% of predicted RCA/CA supports classification (3 Measurement seed positions ≤
Ongoing instrument function test (MetalMapper) Each time instrument is turned on Field Team Leader/ tracking summary/ Project Geophysicist Response within 20% of predicted response CA: Make necessary repairs and re-verify Transmit current levels (TEMTADS) Evaluated for each sensor measurement Field Team Leader/ tracking summary/ Project Geophysicist Current must be ≥5.5A CA: stop data acquisition activities until condition corrected Transmit current levels (MetalMapper) Evaluated for each sensor measurement Field Team Leader/ tracking summary/ Project Geophysicist Current must be ≥3.5A CA: stop data acquisition activities until condition corrected Confirm all background measurements are valid Evaluated for each background measurement Project Geophysicist/ Background summary/ QC Geophysicist Ensure background variation does not impact ability to classify correctly CA: BG measurement rejected and removed from active BG measurements Confirm adequate spacing between units (TEMTADS) Evaluated at start of each day (or grid) Field Team Leader/ Field Logbook/ Project Geophysicist Minimum separation of 50m CA: Recollect all coincident measurements Confirm adequate spacing between units (MetalMapper) Evaluated at start of each day (or grid) Field Team Leader/ Field Logbook/ Project Geophysicist Minimum separation of 25m CA: Recollect all coincident measurements Confirm inversion model supports classification (1 of 3) Evaluated for all models derived from a measurement (i.e. single item and models) Project Geophysicist/ Measurement QC summary/ QC Geophysicist Derived model response must fit the observed data with a fit coherence ≥ 0.8 Follow procedure in SOP or RCA/CA Confirm inversion model supports classification (2 of 3) Evaluated for derived target Project Geophysicist/ Measurement QC summary/ QC Geophysicist Fit location estimate of item ≤ 0.4m from center of sensor Follow procedure in SOP or RCA/CA Confirm inversion model supports classification (3 Evaluated for all seeds QC Geophysicist/ Measurement 100% of predicted seed positions ≤ RCA/CA