Verify statements by selecting check boxes, as appropriate. Provide details on the Quality Control (QC) steps employed by the Monitoring Program in sections B.5.a. and B.5.b. of The General QAPP Adoption Form. Provide details on how intercomparisons will be conducted by the Monitoring Program in sections B.5.a. and B.5.b. of The General QAPP Adoption Form. Table 9: Quality Control Measures Note that 5% of samples equates to one station per field day sampled in duplicate. Sample Instrument/ Accuracy Precision % Field Type Parameter Checks Checks QC Samples (blanks and field duplicates) readings at compare a location of GPS or reference Phone app / reference 1 / field in situ site to GPS point and day Google coordinates duplicate Earth readings at coordinates one station duplicate metered line / re-measure in situ readings at 5% depth line one station compare to duplicate depth sounder in situ a metered readings at 5% / depth line one station multiparameter duplicate or single profiles at parameter Pre-survey one station sonde / depth, calibration and temperature, in situ and readings 5% salinity, recorded dissolved checks only when oxygen, values are turbidity, stable chlorophyll a grab samples - i.e. thermometer / none, NIST duplicate collection 5% temperature certified readings of a water sample
Verify statements by selecting check boxes, as appropriate. Provide details on the Quality Control (QC) steps employed by the Monitoring Program in sections B.5.a. and B.5.b. of The General QAPP Adoption Form. Provide details on how intercomparisons will be conducted by the Monitoring Program in sections B.5.a. and B.5.b. of The General QAPP Adoption Form. Table 9: Quality Control Measures Note that 5% of samples equates to one station per field day sampled in duplicate. Sample Type Instrument/ Parameter Accuracy Checks Precision Checks % Field QC Samples (blanks and field duplicates) in situ GPS or Phone app / GPS coordinates compare location of reference site to Google Earth coordinates readings at a reference point and duplicate readings at one station 1 / field day in situ metered line / depth re-measure line duplicate readings at one station 5% in situ depth sounder / depth compare to a metered line duplicate readings at one station 5% in situ multiparameter or single parameter sonde / depth, temperature, salinity, dissolved oxygen, turbidity, chlorophyll a Pre-survey calibration and checks duplicate profiles at one station and readings recorded only when values are stable 5% grab samples - i.e. collection of a water sample thermometer / temperature none, NIST certified duplicate readings 5%
b_general_qapp_adoption_form_uws-v2017jan13.docx