Blank is too High

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-The reason that this is an issue is that the [[Blank|blank]] must be less than 0.20 mg/L of oxygen depletion. In fact, Standard Methods actually says that it is desirable that the blank be less than 0.10 mg/L oxygen depletion. Since the majority of [[DO Measurement Methods|DO measurement methods]] available only have a +/- 0.10 mg/L accuracy there is not much room for error anywhere else. There are a number of issues that can cause a high blank and these are listed in order of likely occurance. If you are not sure what is causing you the problem then start with the first one and work your way down the list. +The following are likely causes of high blanks. They are in the order that we expect them to occur.
==Likely Causes of High Blank== ==Likely Causes of High Blank==

Revision as of 22:42, 4 December 2006

The following are likely causes of high blanks. They are in the order that we expect them to occur.

Likely Causes of High Blank

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