# CanadaBuys #1000273182

Health Canada Solicitation for Laboratory Measurement of UV Filters in Biobanked Urine Samples

**Posted:** September 17, 2026
**Respond By:** October 01, 2026
**Identifier:** 1000273182
**NAICS:** 541380

Health Canada is seeking laboratory services to measure urinary concentrations of eight ultraviolet (UV) filter compounds in biobanked urine samples from children aged 7-12 years, supporting biosurveillance and risk assessment efforts.
- Government Buyer:
  - Health Canada (Department of Health)
  - Contact: Wesley Phillips
- OEMs and Vendors:
  - No specific commercial OEMs are named; the University of Alberta Centre for Toxicology is referenced as the only lab meeting essential requirements
- Products/Services Requested:
  - Measurement of urinary concentrations of eight UV filter compounds:
    - N-methyl-p-aminobenzoic acid (4-MABA)
    - N,N-dimethyl-p-aminobenzoic acid (4-DMABA)
    - Benzophenone-1 (BP-1)
    - Benzophenone-3 (BP-3)
    - Benzophenone-12 (BP-12)
    - 4-hydroxybenzophenone (4-OHBP)
    - Octocrylene metabolite
    - Hexyl-2-[4-(diethylamino)-2-hydroxybenzol] benzoate (DHHB)
  - Laboratory analysis and biosurveillance data generation for urine samples from the MIREC Biobank and MIREC-ENDO study
- Unique or Notable Requirements:
  - Contractor must be ISO 17025 accredited and participate in recognized proficiency/quality regimes (e.g., CALA)
  - All samples must remain in Canada throughout the process
  - Data must be suitable for federal decision-making and scientific publication
- Estimated contract value: up to $190,000 CAD
- Contract duration: 30 months, with two one-year option periods

### Description

This solicitation seeks the measurement of urinary concentrations of eight ultraviolet (UV) filter compounds in urine samples from the MIREC Biobank, focusing on children aged 7-12 years. The project aims to fill gaps in biomonitoring data for UV filters, which are chemicals used in personal care products and plastics that may have endocrine-disrupting effects. The contractor must be ISO accredited and participate in proficiency/quality regimes, with samples remaining in Canada. The contract duration is 30 months, and the work supports Health Canada's risk assessments and scientific literature.

[View original listing](https://canadabuys.canada.ca/en/tender-opportunities/tender-notice/cb-206-67943413)