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Visitor Rules
Before sign-in, the visitor shall read and agree to the following rules:
- Each visitor or group of visitors shall have a PTL staff member escort.
- Visitors shall follow the common laboratory safety rules as well as the specific requirements given by the PTL escort.
- No cameras are permitted inside the PTL facility without the approval of the PTL escort.
- The documentations, samples, and equipment in PTL may contain proprietary information and therefore shall not be divulged without PTL's permission.
Contact Details
Hours: Monday-Friday: 8am-6pm
Phone: +1(480) 966-1700
General Email: info@solarptl.com
Resolution Email: resolutions@retc-ca.com
Request Information
Looking for more information about our services, capabilities, or facilities? Our team is ready to assist you with any questions you may have about Solar Technology Research Corporation.
Submit a Complaint
We value your feedback and are committed to maintaining the highest standards. If you've experienced any issues with our services or have concerns you'd like to address, please let us know.
Report Unlawful Use of an SPTL Certification Mark
Help us protect the integrity of SPTL certification marks. If you encounter a product that you believe is using our certification mark unlawfully, please report it using the form below.
Reports can be submitted anonymously - providing your personal information is completely voluntary.