OSHA’s website for all information and pertaining to the proposed OSHA silica standard https://www.osha.gov/silica/

OSHA’s website for assistance in managing and reporting silica exposure data based on the current OSHA regulations      

https://www.osha.gov/dsg/etools/silica/

NIOSH Website with a great variety of silica related information

http://www.cdc.gov/niosh/topics/silica/

NIOSH Method 7500 for Silica Analyses

http://www.cdc.gov/niosh/docs/2003-154/pdfs/7500.pdf

OSHA Chemical Sampling Information

https://www.osha.gov/dts/chemicalsampling/toc/chmn_S.html

NIOSH and OSHA Sampling and Analytical Methods

http://www.cdc.gov/niosh/docs/2003-154/pdfs/7500.pdf

https://www.osha.gov/dts/sltc/methods/inorganic/id142/id142.pdf