--- title: Cleanroom and Pharmaceutical Blog | Blog (11) description: Blog | Gain insights into the latest happenings in the world of cleanroom technology and equipment. (11) --- [![analytichem_Logo+claim_RGB](https://www.cherwell-labs.co.uk/hs-fs/hubfs/analytichem_Logo+claim_RGB.png?width=7907&height=1706&name=analytichem_Logo+claim_RGB.png "analytichem_Logo+claim_RGB")](https://www.cherwell-labs.co.uk/) [![analytichem_Logo+claim_RGB](https://www.cherwell-labs.co.uk/hs-fs/hubfs/analytichem_Logo+claim_RGB.png?width=7907&height=1706&name=analytichem_Logo+claim_RGB.png "analytichem_Logo+claim_RGB")](https://www.cherwell-labs.co.uk/) [![50th Logo Cherwell logo final](https://www.cherwell-labs.co.uk/hubfs/50th%20Logo%20Cherwell%20logo%20final.svg "50th Logo Cherwell logo final")](https://www.cherwell-labs.co.uk/50-years-of-cherwell) Search # Our Blog ### AnalytiChem UK (formerly Cherwell Laboratories) is a leading supplier of prepared microbiological media and environmental monitoring instrumentation for the pharmaceutical and related industries. ### I want to read about Select Option *By Hamish Hogg* #### SAS Training - castle hill hospital I recently took the long journey from Bicester to Castle Hill Hospital in Hull. The infection control team, as pictured above, decided to purchase three of our [SAS Super 180 air samplers](https://www.cherwell-labs.co.uk/hand-held-microbial-air-samplers) for environmental monitoring of their Theatres and I was going to be providing training. We were set up in their... [Read More](https://www.cherwell-labs.co.uk/cherwell-labs-post/sas-training-castle-hill-hospital) ![GPT guide cta-min-1](https://www.cherwell-labs.co.uk/hs-fs/hubfs/GPT%20guide%20cta-min-1.png?width=300&height=196&name=GPT%20guide%20cta-min-1.png "GPT guide cta-min-1") #### Growth Promotion Testing: A Guide to Good Practices Get an in-depth understanding of key considerations and best practices when undertaking growth promotion testing (GPT). [![Download Guide](https://no-cache.hubspot.com/cta/default/2885977/5115d7a2-703f-4f11-b1f5-447e516585fc.png)](https://cta-redirect.hubspot.com/cta/redirect/2885977/5115d7a2-703f-4f11-b1f5-447e516585fc) [ *By Gill Power* #### Events Schedule 2019 ](https://www.cherwell-labs.co.uk/cherwell-labs-post/events-schedule-2019) [ *By Hamish Hogg* #### Cleanroom Technology Conference 2019 ](https://www.cherwell-labs.co.uk/cherwell-labs-post/cleanroom-technology-conference-2019) [ *By Andy Whittard* #### Passive and Active Air Sampling in Effective Environmental Monitoring ](https://www.cherwell-labs.co.uk/cherwell-labs-post/microbiological-air-samplers-and-their-role-in-effective-em-programs) [ *By Andy Whittard* #### Bacteriostasis and fungistasis testing failures result in deaths ](https://www.cherwell-labs.co.uk/cherwell-labs-post/how-to-validate-your-sterility-test-bacteriostasis-and-fungistasis) [ *By Andrew Ramage* #### Our October Round-Up of Recommended Research Papers ](https://www.cherwell-labs.co.uk/cherwell-labs-post/our-october-round-up-of-recommended-research-papers-for-pharmaceutical-cleanroom-operators) [ *By Gill Power* #### CHERWELL PROVIDES CMO WITH BESPOKE BROTH FOR METHOD VALIDATION ](https://www.cherwell-labs.co.uk/cherwell-labs-post/case-study-cherwell-provides-cmo-with-small-batches-of-specially-formulated-broth-for-method-validation) ### Sign Up for our Blog We promise that we won't SPAM you. #### What's next #### Recent news [![Specialist products for boosting microbial EM protocol reliability spotlighted by AnalytiChem UK at Pharmig 2025](https://www.cherwell-labs.co.uk/hs-fs/hubfs/Redipor%20TwistLock%20Contact%20Plates%20with%20GS1%20DataMatrix%20Codes.png?width=50&height=50&name=Redipor%20TwistLock%20Contact%20Plates%20with%20GS1%20DataMatrix%20Codes.png) **Specialist products for boosting microbial EM protocol reliability spotlighted by AnalytiChem UK at Pharmig 2025** 10 November 2025 ](https://www.cherwell-labs.co.uk/cherwell-labs-post/analytichem-uk-highlight-specialist-em-products-pharmig-2025-annual-conference) [![New AnalytiChem UK appointment strengthens customer focus and growth strategy](https://www.cherwell-labs.co.uk/hs-fs/hubfs/Tom%20Pickford%20AnalytiChem%20UK%20Business%20Development%20Manager%20Midlands.jpg?width=50&height=50&name=Tom%20Pickford%20AnalytiChem%20UK%20Business%20Development%20Manager%20Midlands.jpg) **New AnalytiChem UK appointment strengthens customer focus and growth strategy** 20 October 2025 ](https://www.cherwell-labs.co.uk/cherwell-labs-post/new-analytichem-uk-appointment-strengthens-customer-focus-and-growth-strategy) #### Subscribe Receive the latest articles as they are published. #### Contact us Registered Office 7 & 8 Launton Business Centre, Murdock Road, Bicester, OX26 4XB **Phone** Tel: +44 (0) 1869 355 500 **Email** [sales.uk@analytichem.com](mailto:sales.uk@analytichem.com)    ![analytichem_Logo+claim_RGB](https://www.cherwell-labs.co.uk/hs-fs/hubfs/analytichem_Logo+claim_RGB.png?width=2000&height=431&name=analytichem_Logo+claim_RGB.png "analytichem_Logo+claim_RGB") ![BSI-ISO-9001-Certified-50px](https://www.cherwell-labs.co.uk/hs-fs/hubfs/BSI-ISO-9001-Certified-50px.png?width=130&height=77&name=BSI-ISO-9001-Certified-50px.png "BSI-ISO-9001-Certified-50px") AnalytiChem UK ©2025 (Formerly Cherwell) Reg. in England No: 01159518 VAT Reg. 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