Understanding Chemical Disinfectant Validation

Different Names — One Goal: Proven Efficacy 

Across industries, disinfectant validation is described by many names, kill testing, efficacy testing, SANS validation, or EN compliance.
Despite the terminology, they all refer to the same scientific process: verifying through accredited laboratory testing that a disinfectant performs as claimed against bacteria, fungi, yeasts, and spores. 

Envirocare Laboratory is ISO/IEC 17025:2017 SANAS-accredited for chemical disinfectant efficacy testing. We provide comprehensive validation of both liquid and powder-based disinfectant products in accordance with the relevant South African (SANS) and European (EN) standards. 

The Framework Behind Disinfectant Validation 

In South Africa, disinfectants that needs to be registered with the National Regulator for Compulsory Specifications (NRCS) must comply to the Compulsory Specification Act VC8054:2017, which references key SANS standards derived from the European EN series.
The methods employed includes quantitative suspension and surface test methods that measure the ability of a product to inactivate microorganisms under controlled conditions, whether it is for product registration or validations. 

Common Term / Client Request  Official Standard(s)  Activity Tested  What It Proves 
Disinfectant Validation  / Efficacy Testing / VC Testing  VC8054:2017  Regulatory framework covering all disinfectant efficacy standards  Confirms compliance with South Africa’s compulsory specification for chemical disinfectants. 
Bactericidal Activity / Kill Test / 276   SANS 51276 / EN 1276  Quantitative suspension test  Demonstrates reduction of bacterial populations (e.g., Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Enterococcus hirae). 
Fungicidal / Yeasticidal Activity / 650  SANS 51650 / EN 1650  Quantitative suspension test  Confirms effectiveness against yeasts and moulds such as Candida albicans and Aspergillus brasiliensis. 
Sporicidal Activity / EN 13704  SANS 53704 / EN 13704  Quantitative suspension test  Assesses activity against bacterial spores such as Bacillus subtilis, which are highly resistant forms of bacteria. 
Surface Disinfectant / Carrier Tests / Field Simulation  Applicable EN / SANS surface protocols  Product performance on hard or non-porous surfaces  Validates disinfectant activity in simulated real-world conditions, including powder-based disinfectants or surface-applied products. 

 

Types of Testing Performed at Envirocare 

Envirocare’s  testing capabilities include: 

  • Quantitative suspension testing for bactericidal, fungicidal, yeasticidal, and sporicidal activity in accordance with VC8054:2017. 
  • Surface and field simulation testing for powdered and liquid disinfectants, or ready-to-use formulations. 
  • Comparative efficacy testing to evaluate performance between formulations or against benchmark products. 
  • Validation reports issued under SANAS accreditation, suitable for regulatory submission, product registration, and quality assurance documentation. 

Why Terminology Differs 

Many clients receive requests or documentation referring to: 

  • EN 1276 validation (European terminology) 
  • SANS 51276 testing (South African equivalent) 
  • Kill rate testing (industry shorthand) 
  • VC8054 compliance (regulatory requirement) 

All of these refer to the same validation process, and Envirocare performs these tests according to the recognized SANS/EN methods, ensuring both scientific validity and regulatory compliance. 

Why Choose Envirocare Laboratory 

  • SANAS-accredited under ISO/IEC 17025:2017 for chemical disinfectant testing 
  • Testing aligned with VC8054:2017, SANS, and EN standards 
  • Surface testing capabilities for simulated application and performance verification 
  • Comprehensive, traceable reporting for compliance and product registration 

Envirocare Laboratory 

info@envirocarelab.co.za 

+27 18 294 4283 

www.envirocarelab.co.za 

References 

  1. VC8054:2017Compulsory Specification for Chemical Disinfectants.
    South African Bureau of Standards (SABS).
    Pretoria: SABS Standards Division.
    (Defines regulatory requirements for disinfectant efficacy and compliance in South Africa.) 
  1. SANS 51276:2011 / EN 1276:2009Chemical Disinfectants and Antiseptics – Quantitative Suspension Test for the Evaluation of Bactericidal Activity of Chemical Disinfectants and Antiseptics Used in Food, Industrial, Domestic, and Institutional Areas.
    South African Bureau of Standards (SABS).
    (Specifies bactericidal efficacy testing requirements.) 
  1. SANS 51650:2013 / EN 1650:2008+A1:2013Chemical Disinfectants and Antiseptics – Quantitative Suspension Test for the Evaluation of Fungicidal or Yeasticidal Activity of Chemical Disinfectants Used in Food, Industrial, Domestic, and Institutional Areas.
    South African Bureau of Standards (SABS).
    (Defines testing for fungicidal and yeasticidal activity.) 
  1. SANS 53704:2015 / EN 13704:2018Chemical Disinfectants and Antiseptics – Quantitative Suspension Test for the Evaluation of Sporicidal Activity of Chemical Disinfectants Used in Food, Industrial, Domestic, and Institutional Areas.
    South African Bureau of Standards (SABS).
    (Specifies testing methods for sporicidal efficacy.) 
  1. ISO/IEC 17025:2017General Requirements for the Competence of Testing and Calibration Laboratories.
    International Organization for Standardization, Geneva.
    (Defines accreditation and quality management requirements for laboratories performing disinfectant efficacy testing.) 
  1. South African Bureau of Standards (SABS)Standards Catalogue and Compulsory Specifications for Disinfectants.
    https://www.sabs.co.za/
    (Official resource for purchasing or referencing SANS standards and VC8054 specifications.) 
  1. European Committee for Standardization (CEN)EN Series for Chemical Disinfectants and Antiseptics.
    https://www.cen.eu/
    (Parent organization responsible for the EN standards that SANS standards are harmonized from.) 
  1. World Health Organization (WHO)Laboratory Biosafety Manual, 4th Edition (2020).
    Geneva: WHO Press.
    (Provides context for disinfectant testing, biosafety, and antimicrobial validation principles.) 
This site uses cookies to offer you a better browsing experience. By browsing this website, you agree to our use of cookies.