The Horseracing Integrity & Welfare Unit (HIWU) has suspended the Pennsylvania Equine Toxicology and Research Laboratory's (PETRL) probationary Horseracing Integrity and Safety Authority (HISA) Equine Analytical Laboratory (HEAL) accreditation status for a minimum of six months, beginning July 8, 2025, the organization announced in a release Wednesday morning. Effective immediately, samples collected in Pennsylvania are
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