Development and validation of methods for sampling and analysis of workplace toxic substances /

Mode of access: Internet.

Occupational exposure sampling strategy manual /

Includes bibliographical references.

NIOSH manual of sampling data sheets.

Mode of access: Internet.

NIOSH manual of sampling data sheets : supplement to the 1977 edition.

Mode of access: Internet.

The HASL surface air sampling program; summary report for 1963.

Mode of access: Internet.

A threat to the peace : North Viet-Nam's effort to conquer South Viet-Nam.

Mode of access: Internet.

National Accident Sampling System. Report of a meeting.

Mode of access: Internet.

Handbook for sampling and sample preservation of water and wastewater.

Mode of access: Internet.

Oil Shale Symposium : Sampling Analysis and Quality Assurance, March 1979 /

Mode of access: Internet.

Beryllium sampling methods: Comparison of two personal sample collection methods with the AEC sample collection method as used for one year in a beryllium production facility. /

Item 499-F-2

The effort of the Danish kings to recover the English crown after the death of Harthacnut,

Mode of access: Internet.