Solar Light performs accurate UPF testing for clothing and fabrics to all major worldwide standards: AATCC 183, BS EN 13758-1, GBT18830-2009, and NZS 4399 – please advise which you need, and we will perform the testing accordingly. We can include a UPF Certification Report as an option, which details the statistical properties of the measurements of your samples, as well as equipment used in the testing. You may optionally launder the article(s) prior to testing, please include that as a note on the Material Test Form, along with any other conditioning, location specifics and whether to include wet testing. Typical turnaround is cited as five (5) business days after we receive the prepared samples to test.