
Pre Screening Services | DOT & Non-DOT Drug Testing Pre Screening Services provides professional, reliable, and convenient DOT and Non-DOT drug testing specimen collection services for businesses, employers, and individuals throughout Southern California, including Riverside, San Bernardino, Orange, and Los Angeles Counties. We specialize in mobile and on-site drug testing collections, bringing our services directly to your workplace or designated location. Our Services Include: - DOT & Non-DOT Urine Specimen Collections - Pre-Employment Drug Testing Collections - Random Drug Testing Collections - Post-Accident Drug Testing Collections - Reasonable Suspicion Testing Collections - Rapid Urine Drug Screening - Mobile & On-Site Collections - After-Hours & Emergency Collections - Weekend Appointments Available as Needed We understand the importance of maintaining workplace safety and meeting DOT regulatory requirements, including 49 CFR Part 40. Emergency and after-hours post-accident urine specimen collections are available, including weekends, as needed. At Pre Screening Services, our goal is to provide dependable, professional, and efficient collection services while helping employers support their drug testing compliance programs. Contact Pre Screening Services Today!
| Monday | 8:00 AM – 3:00 PM |
| Tuesday | 8:00 AM – 3:00 PM |
| Wednesday | 8:00 AM – 3:00 PM |
| Thursday | 8:00 AM – 3:00 PM |
| Friday | 8:00 AM – 3:00 PM |
| Saturday | Closed |
| Sunday | Closed |
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