{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Threshold Limit Values (Tlvs) for Chemical Substances and Physical Agents and Biological Exposure Indices (Beis) 2001 (Threshold Limit Values and ... and Biological Exposure Indices for (Year))","author_name":"American Conference of Governmental Industrial Hygienists","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1882417402.html\">Threshold Limit Values (Tlvs) for Chemical Substances and Physical Agents and Biological Exposure Indices (Beis) 2001 (Threshold Limit Values and ... and Biological Exposure Indices for (Year))</a>","width":400,"height":300}