1. Concerns with chlorhexidine preservatives in refillable portable eyewashes
2. 29 CFR 1910.151 – Medical Services and First Aid. U.S. Occupational Safety and Health Administration.
3. U.S. Occupational Safety and Health Administration. Official regulatory interpretation letter from Asst. Secy. J.L. Henshaw to J. Shishido, Nov. 1 2002 http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=24288. Accessed 27 June 2013