CampD Disinfectants Adapted from the FAD PReP NAHEMS Guidelines Cleaning and Disinfection 2014 Classes of Chemical Disinfectants for CampD Operations 2 Chemical USDA APHIS will determine which disinfectants are to be used ID: 739620
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Slide1
Cleaning and Disinfection
C&D Disinfectants
Adapted from the FAD
PReP
/NAHEMS
Guidelines: Cleaning and Disinfection (2014)Slide2
Classes of Chemical Disinfectants for C&D Operations
2Slide3
Chemical
USDA APHIS will determine which disinfectants are to be usedInactivates a wide variety of microorganisms – not allChemical disinfectant classes
Selection
on characteristics, efficacy, and hazards
USDA APHIS and CFSPH
FAD
PReP
/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
Chemical Disinfection
3Slide4
Chemical Disinfectants
ClassesAcidsAlcohols
Aldehydes
Alkali agents
Biguanides
Halogen-based compounds
Oxidizing/peroxide-based compoundsPhenols
Quaternary ammonium compoundsUSDA APHIS and CFSPH
F
AD
PReP
/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
4Slide5
Acids
Inorganic and organicAlters pH – bactericidal below 3Hazardous and corrosiveAlcohols
Ethanol and Isopropanol
Hand sanitizers, small items
Evaporate quickly and highly flammable
USDA APHIS and CFSPH
FAD
PReP
/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
Chemical Disinfectants
5Slide6
Aldehydes
Formaldehyde and glutaraldehydeToxic at high concentrationsAlkali agents
Sodium/calcium
hydroxide, sodium carbonate, and calcium
oxide
Biguanides
Antiseptic (chlorhexidine)Toxic to fish
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
Chemical Disinfectants
6Slide7
Halogen-based compounds
Chlorine or iodine (bleach)Broad spectrumAvoid forming toxic gassesOxidizing/peroxide-based
compounds
Hydrogen peroxide and others
Virkon®S
(footbaths)
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
Chemical Disinfectants
7Slide8
Phenols
Among oldest disinfectantsBroad spectrum (i.e., Mycobacteria)Quaternary ammonium compoundsSeveral “generations” of products
Vary in composition and performance
Corrosive and irritating at higher concentrations
USDA APHIS and CFSPH
FAD
PReP
/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
Chemical Disinfectants
8Slide9
Chemical disinfectants regulated by the U.S. EPA
Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA)Chemical disinfectants considered “antimicrobial pesticides”Pesticides must be registered
Novel pathogens
FIFRA exemption possible
USDA APHIS and CFSPH
FAD
PReP
/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
Disinfectant Regulation
9Slide10
Characteristics of the microorganism
Susceptibility and persistenceDisinfection methodsEfficacy under specific conditionsEnvironmental factors
Material composition/area
Organic
load,
temps, water hardness
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
Factors to Consider
10Slide11
FAD
PReP/NAHEMS Guidelines & SOP: Cleaning and Disinfection http
://
www.aphis.usda.gov/fadprep
Cleaning and Disinfection web-based training module
http://naherc.sws.iastate.edu/
USDA APHIS and CFSPH
FAD
PReP
/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
For More Information
11Slide12
Author (CFSPH)
Glenda
Dvorak, DVM, MS, MPH,
DACVPM
Nichollette
Rider, Junior Veterinary
Student
Reviewers (USDA)
Nathan G.
Birnbaum, DVM
Samantha
B.
Floyd, Biologist
USDA APHIS and CFSPH
FAD
PReP
/NAHEMS Guidelines: Cleaning and Disinfection - Disinfectants
Guidelines Content
12Slide13
Acknowledgments
Development of this presentation was by the Center for Food Security and Public Health at Iowa State University through funding from
the
USDA APHIS
Veterinary
Services
PPT Author:
Janice Mogan,
DVM
Reviewers:
Glenda Dvorak, DVM, MPH,
DACVPM;
Patricia
Futoma
, Veterinary Student