SAPP specializes in professional urine specimen collection services for employers and regulated workplaces. We perform DOT and Non-DOT compliant collections using strict chain-of-custody procedures to ensure proper documentation, secure handling, and full workplace compliance. Our appointment-based mobile services are designed to minimize workplace disruption while maintaining professionalism, confidentiality, and efficiency. Each specimen is securely prepared and transferred to certified laboratory partners for analysis as required, ensuring the process remains compliant from collection through reporting.