Performance Evaluation of Selected N95 Respirators and Surgical Masks When Challenged with Aerosolized Endospores and Inert Particles

REFERENCES

• National Institute for Occupational Safety and Health (NIOSH) . 2003 . Approval of Respiratory Protective Devices . Title , 42 : 491–555. Part 84
   Google Scholar
• Davidson , C. S. , Green , C. F. , Panlilio , A. L. , Jensen , P. A. , Stover , B. H. and Rosselle , G. 2011 . Method for evaluating the relative efficiency of selected N95 respirators and surgical masks to prevent the inhalation of airbourne vegetative cells by healthcare personnel . Indoor Built Environ. , 20 ( 2 ) : 265 – 277 .
   Web of Science ®Google Scholar
• Colorado Serum Company Homepage . Available at http://www.colorado-serum.com (accessed August 19, 2011)
   Google Scholar
• Inglesby , T. V. , O’Toole , T. , Henderson , D. A. , Bartlett , J. G. , Ascher , M. S. and Eitzen , E. 2002 . Anthrax as a biological weapon, 2002 (updated recommendations for management) . JAMA. , 288 : 2236 – 2252 .
   Web of Science ®Google Scholar
• Ireland , J. A. and Hanna , P. C. 2002 . Amino acid- and purine ribonucleoside-induced germination of Bacillus anthracis Delta-Sterne endospores: GerS mediates responses to aromatic ring structures . J. Bacteriol. , 184 : 1296 – 1303 .
   PubMed Web of Science ®Google Scholar
• Rose , L. , Jensen , B. , Peterson , A. , Banerjee , S. N. and Arduino , M. J. 2004 . Swab materials and Bacillus anthracis spore recovery from nonporous surfaces . Emerg. Infect. Dis. , 10 ( 6 ) : 1023 – 1029 .
   PubMed Web of Science ®Google Scholar
• Jensen , P. A. , Todd , W. F. , Davis , G. N. and Scarpino , P. V. 1992 . Evaluation of eight bioaerosol samplers challenged with aerosols of free bacteria . Am. Ind. Hyg. Assoc. J. , 53 ( 10 ) : 660 – 667 .
   PubMed Web of Science ®Google Scholar
• Scarpino , P. V. , Jensen , N. J. , Jensen , P. A. and Ward , R. 1998 . The use of ultraviolet germicidal irradiation (UVGI) in disinfection of airborne bacteria and rhinoviruses . J. Aerosol Sci. , 29 ( 1 ) : S777 – S778 .
   Google Scholar
• Green , C. F. and Scarpino , P. V. 2002 . Ultraviolet germicidal irradiation (UVGI) efficiency for indoor air disinfection . Environ. Eng. Pol. , 3 : 101 – 107 .
   Google Scholar
• Hinds , W. C. 1999 . Aerosol Technology: Properties, Behavior, and Measurement of Airborne Particles. , 213 – 216 . New York : John Wiley and Sons .
   Google Scholar
• Davies , C. N. 1968 . The entry of aerosols into sampling tubes and heads . Brit. J. Appl. Phys. (J. Phy. D.) , 1 : 921 – 932 .
   Web of Science ®Google Scholar
• American Public Health Association, American Water Works Association, and Water Environment Federation . 1998 . Standard Methods for the Examination of Water and Wastewater. , 20th ed , 9:31 – 9:38 . Washington , DC : APHA/AWWA/WEF .
   Google Scholar
• Statistical Analysis Software Homepage , Cary , N.C. : SAS Institute Inc . Available at http://www.sas.com/index.html (accessed July 23, 2010)
   Google Scholar
• Berthoux , P. and Brown , L. 2002 . Statistics for Environmental Engineers , 124 – 126 . Boca Raton , Fla. : CRC Press .
   Google Scholar
• Dean , R. B. and Dixon , W. J. 1951 . Simplified statistics for small numbers of observations . Anal. Chem. , 23 ( 4 ) : 636 – 638 .
   Web of Science ®Google Scholar
• Rorabacher , D. B. 1991 . Statistical treatment for rejection of deviant values: Critical values of Dixon Q parameter and related subrange ratios at the 95 percent confidence level . Anal. Chem. , 63 ( 2 ) : 139 – 146 .
   Web of Science ®Google Scholar
• Lawrence , R. B. , Duling , M. G. , Calvert , C. A. and Coffey , C. C. 2006 . Comparison of performance of three different types of respiratory protection devices . J. Occup. Environ. Hyg. , 3 : 465 – 474 .
   PubMed Web of Science ®Google Scholar
• Coffey , C. C. , Lawrence , R. B. , Campbell , D. L. , Zhuang , Z. and Calvert , C. A. 2004 . Fitting characteristics of eighteen N95 filtering-facepiece respirators . J. Occup. Environ. Hyg. , 1 : 262 – 271 .
   PubMed Web of Science ®Google Scholar
• Weber , A. , Willeke , K. and Marchoni , R. 1993 . Aerosol penetration and leakage characteristics of masks used in the health care industry . Am. J. Infec. Control , 21 ( 4 ) : 167 – 173 .
   PubMed Web of Science ®Google Scholar
• Johnson , B. , Martin , D. D. and Resnick , I. G. 1994 . Efficacy of selected respiratory protective equipment challenged with Bacillus subtilis subsp. niger . Appl. Environ. Microbiol. , 60 ( 6 ) : 2184 – 2186 .
   PubMed Web of Science ®Google Scholar
• Wake , D. , Bowry , A. C. , Crook , B. and Brown , R. C. 1997 . Performance of respirator filters and surgical masks against bacterial aerosols . J. Aerosol Sci. , 28 : 1311 – 1329 .
   Web of Science ®Google Scholar
• Qian , Y. , Willeke , K. , Grinshpun , S. A. , Donnelly , J. and Coffey , C. C. 1998 . Performance of N95 respirators: Filtration efficiency for airborne microbial and inert particles . Am. Ind. Hyg. Assoc. J. , 59 : 128 – 132 .
   PubMed Web of Science ®Google Scholar
• Chen , S. K. , Vesley , D. , Brosseau , L. M. and Vincent , J. H. 1994 . Evaluation of single-use masks and respirators for protection of healthcare workers against mycobacterial aerosols . Am. J. Infect. Control , 22 ( 2 ) : 65 – 74 .
   PubMed Web of Science ®Google Scholar
• Hodous , T. K. 2003 . Respiratory protection. [comment] . N. Eng. J. Med. , 348 ( 2 ) : 175 – 176 .
   PubMed Web of Science ®Google Scholar
• Terzieva , S. , Donnelly , J. and Ulevicius , V. 1996 . Comparison of methods for detection and enumeration of airborne microorganisms collected by liquid impingement . Appl. Environ. Microbiol. , 62 ( 7 ) : 2264 – 2272 .
   PubMed Web of Science ®Google Scholar
• Food and Drug Administration (FDA) . Guidance for Industry and FDA Staff Surgical Masks—Premarket Notification [510(k)] Submissions , May 15
   Google Scholar
• Hyatt , E. C. Los Alamos Scientific Laboratory informal report, LA-6084-MS . Respirator protection factors , January
   Google Scholar
• Coffey , C. C. , Lawrence , R. B. , Shuang , Z. , Duling , M. G. and Campbell , D. L. 2006 . Errors associated with three methods of assessing respirator fit . J. Occup. Environ. Hyg. , 3 : 44 – 52 .
   PubMed Web of Science ®Google Scholar
• Harris , R. L. 2000 . “ Respiratory Protective Equipment ” . In Patty's Industrial Hygiene , 5th ed. , Edited by: Myers , W. R. 1489 – 1550 . New York : Wiley & Sons .
   Google Scholar
• Myers , W. R. 2000 . “ Respiratory Protective Equipment ” . In Patty's Industrial Hygiene , 5th ed , 1497 – 1498 . New York : John Wiley & Sons, Inc .
   Google Scholar
• Balazy , A. , Toivola , M. , Adhikari , A. , Sivasubramani , S. K. , Reponen , T. and Grinshpun , S. A. 2006 . Do N95 respirators provide 95% protection level against airborne viruses, and how adequate are surgical masks? . Am. J. Infect. Control , 34 : 51 – 57 .
   PubMed Web of Science ®Google Scholar
• Lee , S. A. , Adhikari , A. , Grinshpun , S. A. , McKay , R. , Shukla , R. and Zeigler , H. L. 2005 . Respiratory protection provided by N95 filtering facepiece respirators against airborne dust and microorganisms in agricultural farms . J. Occup. Environ. Hyg. , 2 : 577 – 585 .
   PubMed Web of Science ®Google Scholar
• Coffey , C. C. , Lawrence , R. B. , Zhuang , Z. , Duling , M. G. and Campbell , D. L. 2007 . Errors associated with three methods of assessing respirator fit . J. Occup. Environ. Hyg. , 3 : 44 – 52 .
   Web of Science ®Google Scholar
• Gussman , R. A. 1984 . Note on the particle size output of Collison nebulizers . Am. Ind. Hyg. Assoc. J. , 45 ( 3 ) : B8 – B12 .
   PubMedGoogle Scholar
• Terzieva , S. , Donnelly , J. and Ulevicious , V. 1996 . Comparison of methods for detections and enumeration of airborne microorganisms collected by liquid impingement . Appl. Environ. Microbiol. , 62 ( 7 ) : 2264 – 2272 .
   PubMed Web of Science ®Google Scholar
• Holton , P. S. , Tackett , D. L. and Willeke , K. 1987 . Particle size-dependent leakage and losses of aerosols in respirators . Am. Ind. Hyg. Assoc. J. , 48 ( 10 ) : 848 – 854 .
   PubMed Web of Science ®Google Scholar