Études de cas
J.S. Held fait l'acquisition de GLI Advisors, renforçant ainsi ses services d'assistance aux projets de construction dans l'ouest des États-Unis et à Hawaï.
En savoir plusAn Illinois school district was notified by the state that potentially hazardous PFAS chemicals had been detected in its local water supply well. District leadership wanted to understand if this translated to an exposure scenario for students and staff within their facilities.
Experts from J.S. Held's Environmental, Health & Safety practice designed a robust water-testing program to ensure that all district school facilities were tested to determine PFAS exposure levels in the water supply. This process involved using dedicated PFAS sampling procedures to ensure data integrity and prevent cross-contamination, a common concern when testing for contaminants in the part-per-trillion (PPT) range. The experts also recommended a series of supplemental chemical tests that would help the district evaluate and price potential treatment system options.
Based on the work of J.S. Held’s experts, the district received a comprehensive set of results showing PFAS concentrations in the school’s water inlets and at sensitive points around the facilities, including drinking water fountains and kitchen faucets, which were not necessarily correlated with PFAS concentrations from the water supply well.
Overall, several exceedances of USEPA Maximum Contaminant Levels for PFAS in drinking water were identified, and J.S. Held’s work enabled the school district to take appropriate actions to mitigate risks to its students and faculty.
James Yasitis
Vice-président
Service environnement, santé et sécurité
+1 636 262 1272
[e-mail protégé]
Walker Prentke
Hydrogéologiste principal
Service environnement, santé et sécurité
+1 848 201 5137
[e-mail protégé]
Jason House
Directeur technique
Service environnement, santé et sécurité
+1 951 516 4248
[e-mail protégé]
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