Zonal Testing Laboratories Limited
Quality matters
An ISO/IEC 17025 KENAS & NEMA ACCREDITED testing laboratory offering Microbiological & Physiochemical Analysis on different Sample Matrices such as Food, Feeds, Soil, Water and waste waters among others.
01/05/2026
Today, we celebrate the dedication, resilience, and hard work of individuals across all industries who keep our communities and economies moving forward. Happy Labour Day!
15/04/2026
Making the right business decisions starts with having the right data, and thatβs where partnering with an accredited laboratory makes all the difference.
Accredited labs operate under internationally recognized standards like ISO, ensuring that every test result is accurate, reliable, and consistent.
Whether you're in manufacturing, food production, environmental management, or logistics, working with an accredited lab helps you:
- Ensure compliance with regulatory requirements
- Maintain product quality and safety
- Build trust with customers and stakeholders
- Reduce risks and costly errors
- Strengthen your brand reputation
At the end of the day, better data leads to better decisions which drives business growth.
Partner with us to learn more;
[email protected] /[email protected]
Mombasa: +254 704 376 713
Nairobi: +254 794 098 356
12/04/2026
A π away: 0794 098356 NRB | 0704 376713 MSA
π§ [email protected] I [email protected]
"Your Most trusted quality assurance partner in Africa and beyond"
Other Services: Inspection | Pest control | Calibration | Environmental monitoring services
09/04/2026
Our team was out in the field conducting air emission testing, ensuring systems are operating within safe and compliant limits.
At Zonal Laboratory, we are committed to safeguarding environmental and occupational health through precise and reliable air quality monitoring.
With the use of specialized equipment, we capture accurate data that supports:
- Regulatory compliance
- Environmental protection
- Safer workplaces
Partner with us for trusted environmental testing and monitoring services.
[email protected] / [email protected]
Mombasa: +254 704 376 713
Nairobi: +254 794 098 356
03/04/2026
πΈ Happy Easter! πΈ
As we celebrate this season of renewal, hope, and new beginnings, Zonal Laboratory Limited wishes you and your loved ones peace, joy, and prosperity.
This Easter, we are reminded of the importance of safety, quality, and a healthy environment, values that guide everything we do.
At Zonal Laboratory Limited, we are proud to support you through:
π¬ Reliable Laboratory Testing Services
π Effective Pest Control Solutions
βοΈ Accurate Calibration Services
π Sustainable Environmental Monitoring & Analysis
π Professional Inspection Services
Thank you for trusting us as your partner in quality, compliance, and safety. We look forward to continuing to serve you with excellence.
π Contacts:
0704 376713 (MSA) | 0794 098356 (Nairobi)
π§ [email protected] | [email protected]
π£ Wishing you a blessed, safe, and joyful Easter!
31/03/2026
Environment Department
Environmental monitoring services
Comprehensive field measurements and analysis to help industries meet regulatory standards and protect communities and ecosystems.
Core services
Ambient air quality monitoring
Field measurement of pollutants in the surrounding atmosphere at source-adjacent and community receptor points.
Particulate matter (PMβ.β
& PMββ)
Gaseous pollutants (SOβ, NOβ, CO, Oβ)
Meteorological parameters
Dispersion modelling support
Stack emission testing
On-site sampling and analysis of pollutant concentrations from industrial chimneys and exhaust stacks.
Flue gas composition analysis
Flow rate & velocity measurement
Heavy metals & dioxin testing
APEX isokinetic sampling systems
Noise monitoring
Assessment of occupational and environmental noise levels against applicable standards and regulatory limits.
Boundary & community noise surveys
Occupational noise (Leq, Lpeak)
Day/night level (Ldn) mapping
Impact assessment reporting
Vibration monitoring
Measurement and evaluation of ground-borne and structural vibration from industrial operations and construction activities.
Peak particle velocity (PPV)
Human comfort assessments
Building damage risk evaluation
Continuous & event logging
Why choose us
Accredited methods
Measurements follow recognised international and local regulatory standards.
Trained field teams
Experienced personnel working with proper PPE and fall-protection systems at height.
Advanced equipment
Calibrated instruments including APEX samplers and portable gas analysers.
Full reporting
Detailed reports with data, interpretation and regulatory compliance conclusions.
Ready to schedule a monitoring campaign or discuss your compliance requirements?
Get in touch β 0704 376713 | 0794 098356
π§ [email protected] I [email protected]
30/03/2026
π§ͺ Are Your Floors Truly Clean? π§Ό
In food production, cleanliness goes beyond what the eye can see. Floor swabbing is a key part of environmental monitoring that helps detect hidden contamination and ensures your facility meets food safety standards.
β
Identifies harmful bacteria like E. coli, Salmonella, and Listeria
β
Verifies effectiveness of your cleaning and sanitation processes
β
Helps prevent cross-contamination into food contact areas
β
Supports compliance with ISO 22000 & HACCP requirements
π High-risk areas to monitor:
Processing floors
Drainage zones
High-traffic walkways
π¨ Donβt wait for contamination to become a problemβmonitor, verify, and act early!
π Contact us today for professional environmental swabbing & laboratory analysis services.
π 0704 376713 MOMBASA
π 0794 098356 NAIROBI
π§ [email protected] | [email protected]
27/03/2026
Most systems are installed without proper water testing. But water isnβt the same everywhere.
High hardness, excess salts, or even bacteria can completely change how an RO system should be designed. Without the right pre-treatment, the system ends up struggling from day one.
When you keep running it like that youβll notice:
- Water quality starts dropping
- Breakdowns become more frequent
- Maintenance costs keep increasing
- The system doesnβt last as long as it should
Water quality directly affects RO performance, different water means different treatment requirements.
The smarter approach is by testing first, then design your system based on actual data.
At the very least, your water should be checked for:
* pH
* TDS (salts)
* Hardness
* Microbial contamination
* Turbidity
Zonal Laboratory, helps you avoid unnecessary costs by getting the water testing right and guiding you toward the treatment solution that actually works.
20/03/2026
π Eid Mubarak from Zonal Laboratory Limited!
Wishing you and your loved ones peace, happiness, and prosperity on this blessed occasion. May your celebrations be filled with joy and good health.
β¨ Eid Mubarak!
π Air Monitoring in Quarry Sites & Workplaces Matters!
Dust, particulate matter, and airborne pollutants are common challenges in quarry operations and many industrial workplaces. Without proper monitoring, these can pose serious health risks to workers and surrounding communities.
At quarry sites, activities like drilling, crushing, and transportation release respirable dust (PMββ & PMβ.β
), which can lead to respiratory conditions such as silicosis and chronic bronchitis. Workplace environments can also accumulate harmful gases and contaminants if not properly controlled.
π Why Air Monitoring is Essential:
β Protects worker health and safety
β Ensures compliance with environmental and occupational regulations
β Helps identify pollution sources and control measures
β Improves overall workplace productivity and wellbeing
π What We Monitor:
β’ Particulate Matter (PMββ, PMβ.β
)
β’ Dust levels (Total Suspended Particulates)
β’ Gaseous pollutants (CO, NOβ, SOβ)
β’ Workplace exposure levels
π‘ Proactive Monitoring = Preventive Action
Regular air quality assessments help organizations implement effective control measures such as dust suppression systems, proper ventilation, and use of PPE.
Letβs prioritize cleaner air for safer workplaces and healthier communities.
π© Reach out to us for professional air monitoring services tailored to quarry and industrial environments.
π§ [email protected] | [email protected]
π 0704 376713 MSA
π 0794 098356 NRB
04/03/2026
https://www.instagram.com/p/C-91tNxI-bb/?igsh=MTFieTVjZnJib3huNA==
π Do You Operate a Diesel Generator? Ensure Compliance with NEMA Emission Licensing!
Businesses operating diesel or petrol generators are required by NEMA Air Quality Regulations to obtain an Emission License. A key requirement for this license is Stack Emission Monitoring to determine the pollutants released into the atmosphere.
π¬ Zonal Laboratory Limited offers professional Generator Stack Emission Monitoring services to help facilities meet regulatory requirements and obtain their NEMA Emission License smoothly.
Our monitoring assesses key air pollutants including:
βοΈ Particulate Matter (PM)
βοΈ Carbon Monoxide (CO)
βοΈ Nitrogen Oxides (NOx)
βοΈ Sulfur Oxides (SOx)
Why work with Zonal Laboratory Limited?
β
NEMA DESIGNATED LABORATORY
β
Reliable environmental testing and compliance support
β
Fast turnaround of reports for regulatory submission
β
Professional guidance through the NEMA emission licensing process
Whether you operate a factory, hospital, hotel, commercial building, or industrial facility, we are ready to support your environmental compliance needs.
π Contact us today to schedule your emission monitoring:
π Zonal Laboratory Limited
π§ [email protected] | [email protected]
π Mombasa: 0704 376 713
π Nairobi: 0794 098 356
β»οΈ Stay compliant. Protect the environment. Operate responsibly.
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Category
Website
Address
Mombasa
85177-80100
Opening Hours
| Monday | 07:00 - 18:00 |
| Tuesday | 08:00 - 17:00 |
| Wednesday | 08:00 - 17:00 |
| Thursday | 08:00 - 17:00 |
| Friday | 08:00 - 17:00 |
| Saturday | 07:45 - 14:00 |