Method of analysis and quality-assurance practices for determination of pesticides in water by solid-phase extraction and capillary-column gas chromatography/mass spectrometry at the U.S. Geological Survey California District Organic Chemistry Laboratory, 1996-99 /

Mode of access: Internet.

Performance tests for the evaluation of computerized gas chromatography/mass spectrometry equipment and laboratories /

"April 1980"--Cover.

User's guide for the gas chromatography automation system /

Mode of access: Internet.

Amendments to the Natural Gas Act (exemption of producers) Report on S. 1853, to amend the Natural Gas Act, as amended, together with the minority views of Mr. Magnuson, Mr. Pastore, Mr. Potter, and Mr. Purtell, and the individual views of Mr. Duff and Mr. Payne.

Mode of access: Internet.

The Congregationalism of the last three hundred years, as seen in its literature : with special reference to certain recondite, neglected, or disputed passages : in twelve lectures, delivered on the Southworth Foundation in the theological seminary at Andover, Mass., 1876-1879 : with a bibliographical appendix /

Head and tail pieces (include facsimile autographs).

These signatures meant a lot to our country, yours will too : facts about registering with Selective Service.

Mode of access: Internet.