Definitions and Commonly Used Terms

What is a chain of custody?
A chain of custody is provided with your sampling kit.   It is the document that connects the samples taken at your location to them being submitted and...
Tue, 5 Mar, 2019 at 8:39 AM
What is accreditation?
Laboratory accreditation is an assessment of facilities and operating procedures by a recognized accreditation bodies.  All aspects of laboratory activities...
Mon, 6 May, 2019 at 10:51 AM
What is QA/QC?
QA/QC is the combination of Quality Assurance (QA) - the processes and protocols to ensure the quality of results, and Quality Control (QC) - the particular...
Mon, 17 Dec, 2018 at 8:11 AM
What is drinking water licensing?
In some provinces in Canada, a laboratory providing analysis of water from drinking water sources is required to obtain and maintain a valid and up to date ...
Tue, 6 Nov, 2018 at 12:21 PM
Matrix Interference
Matrix interference or matrix effect, typically refers to the components of a particular matrix (such as soil, water or air etc.) having an an effect on the...
Fri, 11 Jan, 2019 at 1:21 PM
What is a sample matrix?
When related to chemical analysis, the "matrix" refers to all the other components of a particular sample, other than the analyte or compound you ...
Fri, 11 Jan, 2019 at 1:21 PM
What is a Job confirmation report?
The Job Confirmation Report is documentation that we have received your samples, confirmed and itemized all samples and containers and assigned the requeste...
Wed, 16 Jan, 2019 at 11:13 AM
Method Detection Limit - Definition.
Method Detection Limit or "MDL". It is the smallest analyte concentration that can be demonstrated to be different from zero or a blank concen...
Thu, 7 Nov, 2019 at 4:09 PM
Reporting Detection Limit - Definition.
Reporting Detection Limit or "RDL" It is the lowest analyte concentration that can be reported with confidence for a specific method. (i.e. wi...
Tue, 5 Nov, 2019 at 10:53 AM
Estimated Detection Limit - Definition
Estimated Detection Limit or EDL The lowest concentration that can be reliably achieved within specified limits of precision and accuracy during routine...
Fri, 15 Feb, 2019 at 12:17 PM

ENVIRONMENTAL

ENVIRONMENTAL

Title

Date created

What is a chain of custody?
Tue, 5 Mar, 2019 at 8:39 AM
What is accreditation?
Mon, 6 May, 2019 at 10:51 AM
What is QA/QC?
Mon, 17 Dec, 2018 at 8:11 AM
What is drinking water licensing?
Tue, 6 Nov, 2018 at 12:21 PM
Matrix Interference
Fri, 11 Jan, 2019 at 1:21 PM
What is a sample matrix?
Fri, 11 Jan, 2019 at 1:21 PM
What is a Job confirmation report?
Wed, 16 Jan, 2019 at 11:13 AM
Method Detection Limit - Definition.
Thu, 7 Nov, 2019 at 4:09 PM
Reporting Detection Limit - Definition.
Tue, 5 Nov, 2019 at 10:53 AM
Estimated Detection Limit - Definition
Fri, 15 Feb, 2019 at 12:17 PM