| It is preferred that analysis be completed as quickly as possible, such as within 24 hours of sampling, however dependent upon the buffer used in the sponge it is possible for a 72 hour hold time before analysis begins. |
| It is preferred that analysis be completed as quickly as possible, such as within 24 hours of sampling, however dependent upon the buffer used in the sponge it is possible for a 72 hour hold time before analysis begins. |