| ... | ... | @@ -31,6 +31,8 @@ Now the |
|
|
|
**Definition:** *refers to the type of sampling used by the primary sampling instrument measurement instrument, or is the sample preparation phase).*
|
|
|
|
|
|
|
|
| Name | Definition |
|
|
|
|
| ---------- | --------------------------------------------------------- |
|
|
|
|
| ------------------- | ------------------------------------------------------------------ |
|
|
|
|
| continuous | air is drawn in continuously, with a consistent flow rate |
|
|
|
|
| injection | | |
|
|
\ No newline at end of file |
|
|
|
| injection | instrument is injected with limited quantities of air |
|
|
|
|
| continuous injection | instrument is periodically injected with limited quantities of air |
|
|
|
|
| passive | air is not drawn in, rather the air sampled is the ambient air which interacts which measurement apparatus. | |
