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    • Food Safety Testing Labs
    • Microbiology Testing
    • Listeria Environmental
    • Salmonella Environmental
    • Environmental Monitoring
    • Industry Guidelines
    • Coliform Count Bacteria
    • Aerobic Count Bacteria
    • Lactic Acid Bacteria
    • Water Activity aw in Food
    • Chemistry Testing
    • Example Documents
    • Privacy Policy
    • quantitative microbiology
    • Shelf Life Acidified Food
    • RTE Shelf Life Studies
    • Blog
    • gluten-testing-ISO17025
    • Certificate
    • Quiz USDA Listeria Guide
    • EMP procedure
    • Lab Workflow for Listeria
    • Blank
    • Blank
    • Yeast and Mold Count
    • Limited Time Offer
    • MESSAGING TERM CONDITIONS
    • pH testing

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  • Food Safety Testing Labs
  • Microbiology Testing
  • Listeria Environmental
  • Salmonella Environmental
  • Environmental Monitoring
  • Industry Guidelines
  • Coliform Count Bacteria
  • Aerobic Count Bacteria
  • Lactic Acid Bacteria
  • Water Activity aw in Food
  • Chemistry Testing
  • Example Documents
  • Privacy Policy
  • quantitative microbiology
  • Shelf Life Acidified Food
  • RTE Shelf Life Studies
  • Blog
  • gluten-testing-ISO17025
  • Certificate
  • Quiz USDA Listeria Guide
  • EMP procedure
  • Lab Workflow for Listeria
  • Blank
  • Blank
  • Yeast and Mold Count
  • Limited Time Offer
  • MESSAGING TERM CONDITIONS
  • pH testing

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Listeria Environmental Testing for Food Manufacturers | ISO

ISO 17025 accredited lab ISO17025  laboratory testing test  it is a blue and white and grey and oran

Listeria Environmental Monitoring for FDA & USDA Food Facilities

 

Ensure your facility meets the highest standards of food safety with our ISO 17025-accredited Listeria environmental testing services. We help food manufacturers, processors, and packagers detect and control Listeria in their production environments—protecting your brand, your customers, and your regulatory standing. At our food safety testing lab we help you achieve Listeria compliance. Our ISO 17025 accredited laboratory is here to help you with your environmental monitoring program (EMP). 

  • Listeria monocytogenes detection 
  • Listeria environmental testing
  • Listeria swab testing


Why Listeria Control Matters in RTE and High‑Risk Food Production

  

Listeria is a resilient bacteria that thrives in cool, damp environments—making it a persistent threat in ready-to-eat (RTE) food production. Undetected contamination can lead to costly recalls, regulatory penalties, and serious public health risks.

Regular environmental testing is not just best practice—it’s a critical component of FSMA compliance and GFSI certification. Our testing program helps you:

  • Identify contamination hotspots before product contact
  • Validate sanitation protocols
  • Strengthen your environmental monitoring program (EMP)
  • Demonstrate due diligence to auditors and inspectors

Bruce Tompkin—one of the foundational voices in Listeria control—famously reframed how the industry should interpret environmental positives. His core message was:

“Finding Listeria in the environment should be viewed not as a failure, but as evidence that the monitoring program is working.”

This perspective was pivotal. Instead of treating a positive swab as a crisis, Tompkin emphasized that it shows the program is actively detecting risk before it reaches product contact surfaces. It’s a validation of vigilance, not a condemnation of sanitation.

His work helped shift the mindset from reactive to proactive—encouraging facilities to embrace environmental monitoring as a tool for continuous improvement, not just regulatory compliance. 

ISO 17025 Listeria Testing Methods and Turnaround Times

  

 We offer a streamlined, science-backed approach to Listeria testing:

  • Sample Types: Environmental Sponges or Swabs from Zone 1–4 of surfaces, drains, equipment, and air plates are received refrigerated for testing.  
  • Zone 1–4 sampling
  • Methodology: AOAC-validated protocol AOAC PTM 020401
  • Turnaround Time: Standard 2-day results
  • Reporting: Clear, actionable reports


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Environmental Sampling Kits, SOPs, and Chain of Custody

  

 We make it easy to integrate Listeria testing into your routine operations:

  • Sampling Kits: Pre-packaged, labeled, and shipped to your facility
  • Instructions: Step-by-step guides for proper sampling technique
  • Logistics: Overnight shipping with temperature control options
  • Chain of Custody: Digital tracking and secure sample intake
  • Courier offered in the Austin, TX area. 


Industries We Support With Listeria EMP Programs

  

 

We provide Listeria environmental testing and monitoring for a wide range of food industry sectors, including FDA and USDA‑regulated manufacturers, copackers, ready‑to‑eat meat and poultry processors, dairy and cheese facilities, frozen food producers, perishable produce operations, commercial kitchens, commissaries, bakeries, sauce makers, and frozen meal manufacturers.

Whether you’re a small‑batch producer or a national brand, our environmental testing programs are customized to your facility’s specific risk profile. If your food manufacturing operation needs reliable Listeria environmental testing, we’re ready to help. 


Industries We Support With Listeria EMP Programs

  

 

We provide Listeria environmental testing and monitoring for a wide range of food industry sectors, including FDA and USDA‑regulated manufacturers, copackers, ready‑to‑eat meat and poultry processors, dairy and cheese facilities, frozen food producers, perishable produce operations, commercial kitchens, commissaries, bakeries, sauce makers, and frozen meal manufacturers.

Whether you’re a small‑batch producer or a national brand, our environmental testing programs are customized to your facility’s specific risk profile. If your food manufacturing operation needs reliable Listeria environmental testing, we’re ready to help. 


Listeria Environmental Monitoring Resources and Compliance Guides :

  • Post-lethality Exposed Ready-to-Eat Meat and Poultry Products (usda.gov) 
  •  Guidance for Industry (fda.gov) 
  •  pem_book.pdf (almonds.com) 
  •  Environmental Listeria Monitoring: Seek and Destroy Pathogens (food-safety.com) 
  •  https://www.pma.com/~/media/pma-files/food-safety/listeria/lm-control-workshop/miami-feb-2018/wiedmann-environmental-monitoring-25-jan-2018.pdf?la=enNo 
  •  environmental-monitoring-handbook Neogen  
  • Best Practices Guidance for Controlling Listeria monocytogenes in Retail Delicatessens
  • Control of Listeria monocytogenes in the Food-Processing Environment - Bruce Tompkin JFP

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