Sample Transport and Storage - Field Sampling: Principles and Practices in Environmental Analysis - page 218

container do and what must it not do?
3. In terms of transporting samples, what considerations about sample containers
should be taken into account?
4. What are two types of common controls and what information about samples and
sample handling does each provide?
5. Explain how samples can be contaminated in the field.
6. What characteristics must a sample transport box have?
7. Describe the characteristics that a sample storage facility must have.
8. What steps are followed in separating and handling samples at the field sample
laboratory?
9. What are archival samples and why may they be important? What factor must be
remembered if the archival samples are used to derive data to compare with the current
samples?
10. Describe the characteristics of a chain of custody.
11. What information is called for in a request for analysis?
12. What is the difference between a chain of custody and a letter of transmittal?
13. What are the advantages of using computers in maintaining a chain of custody?
14. Using the Internet, look up the shipping requirement for air shipment of water or
soil contaminated with oil or hydrocarbons.
REFERENCES
1. Ross DS, Bartlett RJ. Effects of extraction methods and sample storage on properties
of solutions obtained from forested spodosols. J Environ Qual 1990; 19:108-113.
2. Martens DA, Suarez DL. Changes in the distribution of selenium oxidation states with
sample storage. J Environ Qual 1997; 26:1711-1714.
3. Marine Safety Laboratory, http://www.rdc.uscg.gov/msl/downloadsl.html. Pp. 8-13.
4. Bar Code Primer—Introduction to Barcoding. http://barcodehq.com/primer.html.
5. Murphy C, Briggs P, Adrian B, Wilson S, Hageman P, Theodorakos P. Chain of
Custody—Recommendations for Acceptance and Analysis of Evidentiary
Geochemical Samples. U.S. Geological Survey circular 1138. Washington, DC: United
States Government Printing Office, 1997.
6. e-Chain. http://www/enabl.com/p_echain.html.