U.S. National Library of Medicine NLM Technical Bulletin Update

NLM Technical Bulletin, Jan-Feb 2017, MeSH Identifiers in OCLC Records

02/17/2017 09:04 AM EST

Some OCLC Connexion records containing MeSH subjects include a subfield $0 with a MeSH authority control number. This comes from a recent OCLC process to systematically control MeSH headings in records new to or newly replaced in WorldCats, based on data supplied in NLM MeSH-MARC files.

NLM Technical Bulletin, Jan-Feb 2017, TOXMAP Now Includes TRI 2015 Data

02/17/2017 09:04 AM EST

The National Library of Medicine TOXMAP now includes 2015 Toxics Release Inventory (TRI) data. This corresponds to the most recent Toxics Release Inventory National Analysis published by the US Environmental Protection Agency (EPA). TOXMAP maps the TRI chemicals reported to the EPA, as required by the Emergency Planning and Community Right to Know Act (EPCRA). A complete list of TRI chemicals required to be reported to the EPA can be found on their Web site.

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