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Do You Know...
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- that poor sampling
- underestimates the mean
- artificially increases the variability
- generates outliers
- increases the number of samples required
- that concentration is sample size dependent
- that random location alone is not enough to eliminate sampling bias
- the difference between a composite and MULTI INCREMENT® sample
- the seven major sampling errors
- that sampling error can be controlled
- the two types of heterogeneity and how they impact sampling error
- how to calculate sampling error
- how to make your sampling defensible
- why replicate analyses do not agree - it may not be the lab
- how to minimize sampling costs
- how to properly collect a MULTI INCREMENT sample
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MULTI INCREMENT® is a registered trademark of EnviroStat, Inc. |
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