SOURCE TESTING ASSOCIATION I Annual Guide 2021


STA Guidance Notes


The creation of industry specifi c guidance notes has always been a key part of the STA’s aim and objectives. Since the formation of the Association the STA has provided practical guidance for members on the management of risks to health and safety that may arise in relation to specifi c hazards within our industry. The guidance doesn’t stop there, the association also produces guidance notes on Quality and Technical issues enabling members to have the information and knowledge they require to assist them to provide the highest quality of service.


The 3 tables below list the current guidance notes the STA have produced. These guidance notes are available for members to download from the members area of the STA website www.s-t-a.org


Quality QGA-001-


QGA-002- QGA-003- QGE-001- QGE-002- QGE-003- QGE-004- QGE-005- QGE-006- QGM-001- QGM-002- QGM-003- QGM-004- QGM-005- QGU-001- QGU-002- QGU-003- QGU-004- QGU-005-


QGU-006- QGU-007- QGU-008- QGU-009- QGU-010- QGU-011- QGU-012- QGU-012-


20 2


Use of Blanks in Manual Stack Sampling


Guidance in the Use of Detection Limits in Source Testing Chain of custody of samples Isokinetic sampling equipment


Guidance on Calibration of Sample Train Control Unit Calibration methodology Data loggers


Traceability of gases


Passivation of sample train for BS EN1911 MCERTS SSP check sheet MCERTS report check sheet Site audit form


Example MCERTS SSP


Achieving Cost Effective Traceable Calibrations Uncertainty in stack testing booklet


Example uncertainty of particulate measurement for BS EN 13284-1 Minimum number of samples


Method for checking site span gas concentrations


Guidelines for the Estimation of Exp anded Measurement Uncertainties Uncertainty for dust std v14 (Excel Spreadsheet)


Uncertainty for Gas _ oxygen v2.2 (Excel Spreadsheet) Uncertainty for Gas _ SO2 instrument v2.1 (Excel Spreadsheet) Uncertainty for so2 manual std v2 (Excel Spreadsheet) Uncertainty for Gas _ nox v4 (Excel Spreadsheet)


Example Uncertainty Budgets for calibration gases refer QGU-005- (Excel Spreadsheet) Uncertainty of fl ow measurement by Pitot tube under EN 16911-1 Uncertainty of fl ow measurement by Pitot tube under EN 16911-1 Example


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