DR1 - Acceptance criteria taken directly from referenced specification. If more than one specification is referenced then the acceptance criteria will be the most stringent of all referenced specifications. An un-controlled simple acceptance criteria has been applied. The major sources of uncertainty have been accounted for in the standardised test procedure.
DR2 - Acceptance criteria advised by client. Uncertainty of the result has been taken into account and details of this are provided with the report.
DR3 - ASAMS derived acceptance criteria. Uncertainty considerations documented and supplied with report.
DR4 - Other decision rule applied. Full details supplied with report.