Pennsylvania Equine Toxicology and Research Laboratory
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 being sent to Industrial Laboratories for analysis. HIWU's independent Laboratory Expert Group, which evaluates the performance of Program laboratories, recommended the suspension of PETRL's probationary HEAL accreditation due to nonconformities associated with HEAL compliance. HIWU,...
Edited Press Release The Pennsylvania Equine Toxicology and Research Laboratory (PETRL), a Horseracing Integrity and Safety Authority (HISA) Anti-Doping and Medication Control (ADMC) Program laboratory, has been directed to modify its instrumentation and methodology for TCO2 testing to mass spectrometry so that it is consistent with the Horseracing Integrity & Welfare Unit's three other Program laboratories, HIWU announced Wednesday. PETRL has already transitioned to this methodology, which is also independently endorsed by the International Federation of Horseracing Authorities. HIWU began its review of PETRL's procedures in response to a disproportionately...
The Horseracing Integrity and Welfare Unit (HIWU) has granted a temporary stay of enforcement to connections in six pending total carbon dioxide (TCO2) cases, all of which are out of Pennsylvania. In total, 11 of the 14 pending and resolved TCO2-related cases reported since the advent of the Horseracing Integrity and Safety Act (HISA) have concerned horses that ran in Pennsylvania. Of the three other TCO2-related cases, one ran in California and two were out of Ohio. When asked about the reason behind the temporary stay of enforcement, HIWU spokesperson...


