Environmental Sampling

Which type of sampling has the largest bias?

Which type of sampling is the most expensive?

Which type of sampling has the smallest bias?

What sampling plan would you use when the population is relatively homogeneous?

Which sampling plan requires knowledge of the site?

Which sampling plan is the most efficient or cost effective?

Air and stack emission sampling requires ______ volumes of sample

For small ponds you would like collect a ______ while for large ponds you may want to collect at different _____ because of temperature differences

What are two main types of interferences?

Give an example of a non spectral interference

Give an example of a spectral interference

A type of sample-taking technique that is fast but not necessarily representative

Name 3 ways to deal with matrix interferences

If get a false positive or false negative test result, what should you do?

Name 3 types of blanks

Which two types of blanks are prepared in the field?

Which type of blank is prepared before going to the field?

It is usually better to analyze in the field if...