National Technical Reports Library - NTRL

National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.




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Title/AuthorsAccession NumberPublication YearPage CountDownload
Health and Environmental Effects Profile for Nitrotoluenes (o-, m-, p-).
PB89123459198692 pagesDownload PDFDownload Full Text
NTP Technical Report on Toxicity Studies of 1,6-Hexanediamine Dihydrochloride (CAS No. 6055-52-3) Administered by Drinking Water and Inhalation to F344/N Rats and B6C3F1 Mice.
Hebert, C. D.
PB941192601993112 pagesDownload PDFDownload Full Text
NTP Technical Report on Toxicity Studies of o-, m-, and p-Nitrotoluenes (CAS Nos.: 88-72-2, 99-08-1, 99-99-0) Aministered in Dosed Feed to F344/N Rats and B6C3F1 Mice.
Dunnick, J. K.
PB931500921992140 pagesDownload PDFDownload Full Text
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