Updated: Jun-05-2020

General Information

Type of service provider
Testing laboratory
Physical postal address

Corner of Ashmun & Gurley Streets
Monrovia
Liberia

Phone number
(+ 231) 0776246161
E-mail
nationalstandardslaboratory [at] gmail.com
Has the laboratory been accredited in any scopes?
No
Does the laboratory have other sites?
No

Personnel

Chief Executive Officer (CEO) / Head of Organization

CEO Name
MR. STEPHEN Y.MAMBU
CEO E-mail
smambu [at] moci.gov.Ir

Total laboratory personnel

Total laboratory personnel
33
Male laboratory personnel
24
Female laboratory personnel
9

Technical personnel

Technical personnel total
22
Male technical personnel
19
Female technical personnel
3

Technical Information

Testing

Laboratory services offered
Biological
Chemical
Water / food
Environmental
Scope of services offered
Test object or product tested or matrices
Drinking Water
Test parameter/ properties measured
(PH)
(Arsenic ,Iron Lead ,
Mercury ,
Copper,Phosphate ,
Potassium ,
Magnesium ,
Formaldehyde ,
Cadmium, Chloride ,
Zinc , Sulphate ,
Ammonia , Nitrate )
Type of test/ instrumentation used
JENWAY
PH Meter
Spectroquant
Pharo 300 or Water
Analyzer ,
U-V Visible
Spectrophotometer,
Methods
ISO/ AOAC Test
methods
Accreditation status
No
Test object or product tested or matrices
Drinking Water
Test parameter/ properties measured
Ecoli, Coliform , fecal
coliform, Total plate
count, Yeast/Mold
and Salmonella
Type of test/ instrumentation used
Heating Incubators,
Boiling Incubators ,
Water Bath, and
Autoclave
Methods
Ecoli=ISO 7251
:2005.
Total Plate Count
= ISO 4833:2003.
Yeast/Mold= ISO
21527-: 2008.
Salmonella=ISO
6579:2002
Coliform=ISO
4831:2006.
Fecal Coliform
=ISO 4831:2006
Accreditation status
No
Test object or product tested or matrices
Flour
Test parameter/ properties measured
Moisture
Ash
Iron
Type of test/ instrumentation used
Oven
Furnance
iCheck Iron Test Kit
Methods
AOAC 935.29
AOAC 923.03
Test Kit Manual
Instruction or
Procedures
Accreditation status
No
Test object or product tested or matrices
Oil
Test parameter/ properties measured
Vitamin A
Type of test/ instrumentation used
iCheck Iron Test Kit
iCheck Fluoro Kit
iCheck Chroma Kit
Methods
Test Kits Manual
Instruction or
Procedures
Accreditation status
No
Test object or product tested or matrices
Salt
Test parameter/ properties measured
Iodine
Type of test/ instrumentation used
WYD
Methods
WYD Manual
Instruction
Accreditation status
No
Test object or product tested or matrices
Wines /
Alcoholic
Beverages
Test parameter/ properties measured
Alcohol content
Brix
pH
Type of test/ instrumentation used
Ebulliometer
Refractometer
JENWAY
PH Meter
Methods
Ebulliometric.
Refractometric
pHep
Accreditation status
No
Does the laboratory conduct sampling, upon request of the client, of products to be tested?
Yes

Proficiency Testing

Does the lab participate in proficiency testing for accredited scopes
Yes
PT Scheme details
PT Samples (varieties of food matrices; including microbiology and
chemistry) are purchase on line from the
Fe ra Science Ltd (Fe
ra)
an accredited oversea company. This Sample is performed
annually by the National Standards Laboratory, and is received
through FedEx express; accompany with a predefined analysis
instructions. PT Samples report is use to assess and improve the competences of laboratory analyst.
Does the laboratory sub-contract testing work to other laboratories?
Yes
Outsourced services
Microbiological and Chemistry Parameters : Ecoli , Yeast / Mold , Coliform , Fecal Coliform ,Arsenic , Lead , Mercury , Chromium
Documented policies, procedures and records for the qualification, assessing and monitoring of all outsourced services providers
Yes
Please specify in which type of document all these aspects are covered
NSL QUALITY MANUAL

Quality Control / Quality Management

Does the lab operate an internal quality control (QC) system to ensure quality of test results?
Yes
Does the lab operate a management system (or Quality Management System) for assuring the quality of results?
Yes
Is the system documented in a Quality Manual?
Yes