Contact Us
| Please use the following email addresses for: | |
| Pricing or New Account questions | marketing@regtox.com |
| Onsite Testing Products | marketing@regtox.com |
| Billing or Invoice questions | billing@regtox.com |
| Client Service or Result questions | support@regtox.com |
| Supplies or Specimen Transport questions | logistics@regtox.com |
| PowerWeb or Reporting questions | it@regtox.com |
| Technical or Result Interpretation | certify@regtox.com |
| Employment at Sterling | hr@regtox.com |
Sterling Reference Labs
| Hours: Monday - Friday 6:30 am to 5:00 pm PST |
| Toll Free: (800) 442-0438 |
| Local: (253) 552-1551 |
| Fax: (253) 552-1549 |


