{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"2004 TLVs and BEIs: Based on the Documentation of the Threshold Limit Values for Chemical Substances and Physical Agents & Biological Exposure Indices","author_name":"ACGIH, Am. Conf. of Govt. Industrial Hygienists","thumbnail_url":"https://www.ebooknetworking.net/books/188/241/big1882417542.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1882417542.html\">2004 TLVs and BEIs: Based on the Documentation of the Threshold Limit Values for Chemical Substances and Physical Agents &amp; Biological Exposure Indices</a>","width":400,"height":300}