Participant Directory ToolkitYou want to find a lab with proven analytical excellence, we want to help you find them. |
Use the Directory to find a participating laboratory. PAT Reports are valid only for the location listed on the report. |
Ask for a PAT Report. Hover over the column headers to get tooltips on information you will see on a PAT Report. |
Round Sample Results |
ContaminantContaminant tested by the laboratory |
UnitUnit of Measure |
ResultThe lab found this concentration |
Ref. ValueTop performing labs found this concentration |
Lower LimitLower end of the Acceptance Range |
Upper LimitUpper end of the Acceptance Range |
z-ScoreThe difference between the Result and the Ref. Value, divided by the standard deviation |
RatingA = Acceptable U = Unacceptable E = Excused |
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Overall Proficiency Table |
ContaminantContaminant tested by the laboratory |
RoundProgram Round |
Round ScoreEvaluation of the round data submitted |
Round PerformancePass/Fail evaluation for the round (program specific) |
Proficiency StatusRolling proficiency status based on three or four rounds (program specific) |
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PAT Programs has eight areas of focus, and each area may have one or many options. Use the information below in the Program field to refine your search.
BAPAT: Bulk Asbestos
BePAT: Beryllium
ELPAT: Lead on Dust Wipes, Lead in Paint, Lead in Soil
ELPAT Air: Lead in Air
EMPAT Culture: Bacteria, Fungi
EMPAT Direct Exam: Direct Exam
IHPAT: Asbestos (PCM), Metals, Organic Solvents, and Silica
IHPAT Diffusive Sampler: AT, SKC badge types
BAPAT: Bulk Asbestos
BePAT: Beryllium
ELPAT: Lead on Dust Wipes, Lead in Paint, Lead in Soil
ELPAT Air: Lead in Air
EMPAT Culture: Bacteria, Fungi
EMPAT Direct Exam: Direct Exam
IHPAT: Asbestos (PCM), Metals, Organic Solvents, and Silica
IHPAT Diffusive Sampler: AT, SKC badge types
Ask for a PAT Report

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