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2023 Christmas opening hours


Friday 22 December 2023: 9:00 to 14:00 GMT (Closing early)*

Monday 25 December 2023: Closed (Christmas Day)

Tuesday 26 December 2023: Closed (Bank holiday)

Wednesday 27 December 2023: Closed

Thursday 28 December 2023: Closed

Friday 29 December 2023: Closed

Monday 1 January 2024: Closed (Bank holiday)

Tuesday 2 January 2024: open (Business as usual)


*Delivery of samples deadline

Please note that on Friday 22 December 2023 the latest that we can accept the delivery of samples is 14.00pm (GMT). After this time we will not be able to receive samples until we reopen on Tuesday 2 January 2024.


Emergency response service (ERS) - Platinum members

If you require assistance out of hours, Platinum ERS members can contact the team on the usual ERS telephone number for support to resolve crisis situations.


Priority response service (PRS) - Platinum members

If you require assistance out of hours, PRS members can contact the microscopy team on the usual PRS telephone number for support with crisis resolution situations.


If you have any questions regarding our opening hours over the holiday period, please do not hesitate to contact us on +44 (0)118 918 4076 or email


From everyone at RSSL, we would like to wish you a happy, restful and safe festive season and New Year.


Follow our advice to make sure your sample submission reaches us safely and securely


For all projects, we request that you first obtain a proposal from our Customer Services team before submitting your samples. This will ensure that both parties are clear on the scope of the project, analysis required, the agreed turnaround time and associated costs.

A proposal will be generated from our Customer Relationship Management (CRM) giving you a unique identifier.


Sample Submission Form

Sterility Sample Submission Form (Pharmaceutical Sterility Testing Only)



Shipping samples from outside of Great Britain


We have full Authorised Economic operator (AEO) Accreditation. If you are sending samples from outside of Great Britain please find our AEO details below:


Name: Reading Scientific Services Limited

EORI number: GB366262738036

VAT number: GB366262738

Legal registration number: 00741326

AEO certificate number: AEOF 00221/19


If you are unsure what analysis you require or have any further questions around shipping and submitting samples, please contact us on the form below.


Sample submission guidelines

To make sure that your sample reaches us safely and securely there are a few things you will need to do before sending off:


  • Ensure the samples are adequately packed and labelled according to the nature of any associated hazards and in compliance with current legislation.
  • Ensure the package is addressed in accordance with your quotation
  • Follow the AEO guidance if sending samples from outside of Great Britain (see below)
  • Subsampled as required in accordance with your quotation
  • Include the completed sample submission form in the package
  • Include the COSHH assessment and Safety Data Sheet (SDS.MSDS) for hazardous or toxic samples


For full details please refer to the sample submission guidelines here.


2024 sample guideline update

  • From 1st January 2024, all samples and temperature monitoring devices which require returning will be subject to a minimal charge
  • From 1st May 2024, all samples requiring both chemistry and microbiological testing will require separate samples. Charges will apply to those received which require subsampling

For more information, please refer to our sample submission guidelines here or contact us on the form below


Where to send your samples:

Please refer to the address on your quotation, and send to either:


  • Reading Scientific Services Ltd, The Reading Science Centre, Whiteknights Campus, Pepper Lane, Reading, Berkshire, United Kingdom, RG6 6LA
  • Reading Scientific Services Ltd, 2-3 Millars Business Centre, Fishponds Close, Wokingham, Berkshire, United Kingdom, RG41 2TZ


Contact us

Need to get in touch? Either complete the enquiry form or call us:

Switchboard: +44 (0)118 918 4000

Customer Services: +44 (0)118 918 4076

We value your trust when sharing your personal data with us. We always treat your data in a fair and respectful manner limited to the purpose above mentioned. If you would like to know more about how we handle your data, please read our privacy notice.