credits bmbl December 7 '06.doc - Central Michigan University

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Vertebrate Animal Biosafety Level Criteria – Animal Biosafety Level 4 1. All manipulations of infectious animals and materials within the laboratory must be conducted in the Class III BSC. Double-door, pass through autoclaves must be provided for decontaminating materials passing out of the Class III BSC(s). The autoclave doors must be interlocked so that only one can be opened at any time and be automatically controlled so that the outside door to the autoclave can only be opened after the decontamination cycle has been completed. The Class III cabinet must also have a pass-through dunk tank, fumigation chamber, or equivalent decontamination method so that materials and equipment that cannot be decontaminated in the autoclave can be safely removed from the cabinet. Containment must be maintained at all times. The Class III cabinet must have a HEPA filter on the supply air intake and two HEPA filters in series on the exhaust outlet of the unit. There must be gas tight dampers on the supply and exhaust ducts of the cabinet to permit gas or vapor decontamination of the unit. Ports for injection of test medium must be present on all HEPA filter housings. The interior of the Class III cabinet must be constructed with smooth finishes that can be easily cleaned and decontaminated. All sharp edges on cabinet finishes must be eliminated to reduce the potential for cuts and tears of gloves. Equipment to be placed in the Class III cabinet should also be free of sharp edges or other surfaces that may damage or puncture the cabinet gloves. Class III cabinet gloves must be inspected for leaks periodically and changed if necessary. Gloves should be replaced annually during cabinet recertification. The cabinet should be designed to permit maintenance and repairs of cabinet mechanical systems (refrigeration, incubators, centrifuges, etc.) to be performed from the exterior of the cabinet whenever possible. Manipulation of high concentrations or large volumes of infectious agents within the Class III cabinet should be performed using physical containment devices inside the cabinet whenever practical. Such materials should be centrifuged inside the cabinet using sealed rotor heads or centrifuge safety cups. The interior of the Class III cabinet as well as all contaminated plenums, fans and filters must be decontaminated using a validated gaseous or vapor method. The Class III cabinet must be certified at least annually. 108
Vertebrate Animal Biosafety Level Criteria – Animal Biosafety Level 4 Restraint devices and practices that reduce the risk of exposure during animal manipulations should be used where practicable (e.g., physical restraint devices, chemical restraint medications, mesh or Kevlar gloves, etc.). 2. Protective laboratory clothing such as solid-front or wrap-around gowns, scrub suits, or coveralls must be worn by workers when in the laboratory. No personal clothing, jewelry, or other items except eyeglasses should be taken past the personal shower area. All protective clothing must be removed in the dirty side change room before showering. Reusable laboratory clothing must be autoclaved before being laundered. 3. Eye, face and respiratory protection should be used in rooms containing infected animals as determined by the risk assessment. Prescription eye glasses must be decontaminated before removal thought the personal body shower. 4. Gloves must be worn to protect against breaks or tears in the cabinet gloves. Gloves must not be worn outside the laboratory. Alternatives to latex gloves should be available. Do not wash or reuse disposable gloves. Dispose of used gloves with other contaminated waste. Suit Laboratory 1. Infected animals should be housed in a primary containment system (such as open cages placed in ventilated enclosures, solid wall and bottom cages covered with filter bonnets and opened in laminar flow hoods, or other equivalent primary containment systems). All procedures must be conducted by personnel wearing a one-piece positive pressure suit ventilated with a life support system. All manipulations of potentially infectious agents must be performed within a Class II BSC or other primary barrier system. Infected animals should be handled within a primary barrier system, such as a Class II BSC or other equivalent containment system. Equipment that may produce aerosols must be contained in devices that exhaust air through HEPA filtration before being discharged into the laboratory. These HEPA filters should be tested annually and replaced as need. HEPA filtered exhaust air from a Class II BSC can be safely re-circulated into the laboratory environment if the cabinet is tested and certified at least annually and operated according to manufacturer’s recommendations. 109
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Biosafety in Microbiological and Bi
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SECTION VIII-H: Prion Diseases 299
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Forward Biosafety in Microbiologica
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Editors: L. Casey Chosewood, MD Dir
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Guest Editors: Matthew J. Arduino,
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Charles B. Millard, PhD Lieutenant
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Robert Bull Karen B. Byers Jane Cap
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Thomas L. Miller Douglas M. Moore M
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Robert Yarchoan Uri Yokel Lisa Youn
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Introduction laboratories chose not
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Introduction RISK CRITERIA FOR ESTA
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Introduction BMBL includes an impor
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Section II Biological Risk Assessme
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Biological Risk Assessment informat
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Biological Risk Assessment The NIH
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Biological Risk Assessment effectiv
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Biological Risk Assessment Third, m
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Biological Risk Assessment 14. Oxma
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Principles of Biosafety Safety equi
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Principles of Biosafety Often an in
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Principles of Biosafety Four standa
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Principles of Biosafety 4. Centers
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Laboratory Biosafety Level Criteria
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Page 57 and 58: Laboratory Biosafety Level Criteria
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Page 119 and 120: TABLE 1 SUMMARY OF RECOMMENDED BIOS
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Agent Summary Statements - Bacteria
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• Section VIII-B: Fungal Agents A
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Agent Summary Statements - Fungal A
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• Section VIII-C: Parasitic Agent
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Agent Summary Statements - Parasiti
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• Section VIII-D: Rickettsial Age
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Agent Summary Statements - Ricketts
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Agent Summary Statements - Ricketts
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• Section VIII-E: Viral Agents Ag
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Agent Summary Statements - Viral Ag
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Agent Summary Statements - Arboviru
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• Section VIII-G: Toxin Agents Se
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Agent Summary Statements - Toxins i
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Agent Summary Statements - Toxins A
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Agent Summary Statements - Toxins L
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Agent Summary Statements - Toxins e
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Agent Summary Statements - Toxins o
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Agent Summary Statements - Toxins t
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• Section VIII-H: Prion Diseases
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Agent Summary Statement - Prion Dis
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Appendix A Proper maintenance of ca
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Appendix A declined. However, in ma
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Appendix A It is possible to exhaus
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Appendix A 4. The Class II, Type A2
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Appendix A prohibited. Furthermore,
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Appendix A plastic wrappers, pipett
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Appendix A touch-plate microburners
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Appendix A SECTION VI FACILITY AND
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Appendix A Development of Containme
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Appendix A C. Airflow Smoke Pattern
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Appendix A TABLES Table 1. Selectio
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Appendix A Table 3. Field Performan
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Appendix A FIGURES Figure 1. HEPA f
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Appendix A Figure 3. The Class II,
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Appendix A Figure 5B. The Class II,
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Appendix A Figure 8. The Class III
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Appendix A Figure 9B. The vertical
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Appendix A Figure 11. A typical lay
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Appendix A REFERENCES 1. Centers fo
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Appendix B Decontamination and Disi
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Appendix B surfaces are contaminate
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Appendix B TABLE 1 DESCENDING ORDER
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Appendix B dioxide gas exits the ge
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Appendix B d The effectiveness of a
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Appendix C Transportation of Infect
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Appendix C 1600 Clifton Road, N.E.,
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Appendix C disease in humans or in
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Appendix C Biological specimen, Cat
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Appendix D Agriculture Pathogen Bio
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Appendix D simultaneous opening of
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Appendix D 14. Pathological inciner
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Appendix D Wastes and other materia
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Appendix D Camelpox virus b a, b, c
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Appendix D SPECIAL ISSUES The impor
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Appendix D required by the USDA and
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Appendix D depression, anorexia, an
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Appendix D laboratory with enhancem
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Appendix D five day period of conta
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Appendix D slaughterhouses or indus
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Appendix D virus does not cause any
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Appendix D NDV is classified in the
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Appendix D movement permit is requi
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Appendix D Spring Viremia of Carp V
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Appendix D REFERENCES 1. Hess WR. A
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Appendix D 37. Alexander DJ. Newcas
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Appendix E Arthropod Containment Gu
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Appendix F Select Agents and Toxins
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Appendix G IPM issues and requireme
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Appendix H Working with Human, NHP
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Appendix I Guidelines for Work with
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decontaminated periodically, for ex
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0.25N, and/or sodium hypochlorite (
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k Irradiation causes a dose-depende
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7. Morin R, Kozlovac J. Biological
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Appendix J NIH Oversight of Researc
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Appendix K Resources for Informatio
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Appendix K E-mail: http://www2.gsu.
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Appendix K and http://www.who.int/c
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Appendix L HEPA High Efficiency Par
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