| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Holding time | Administration | 1: The period a sample may be stored prior to its required analysis. While exceeding the holding time does not necessarily negate the veracity of analytical results, it causes the qualifying or flagging of the data for not meeting all of the specified acceptance criteria. The maximum times that samples may be held prior to analysis and still be considered valid. (references) | |
| 2: (Water Quality) The time allowed between removal of samples from water sources for bacteriological analysis and the processing of those samples. (references) | |||
| Holding time | Business | The total length of time that a call makes use of a trunk or channel. Note: Holding time is usually measured in seconds. (references) | |
| Holding time | Environment | The maximum amount of time a sample may be stored before analysis. (references) | |
| Maximum holding time | Administration | 1: The length of time a sample can be kept under specified conditions without undergoing significant degradation of the analyte (s) or property of interest. (references) | |
| 2: The longest time period that water samples can be retained between the taking of the sample and the laboratory analysis for a specific material before the results are considered invalid. The times vary from none in the case of the test for residual chlorine levels to six months for the testing of radioactivity. Some types of analyses require that preservatives be added to the sample, and some require storage of samples at refrigerated temperatures. (references) | |||
Source: compiled by the editor from various references; see credits. | Top | ||