As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT # 528, GYE-JFK (AIRTURN BACK TO GYE). LEVEL 3 FUMES EVENT ON TAKE OFF. VERY STRONG FUMES IN THE BACK OF THE A/C. ONE FA HAD A BLEEDING NOSE AND ONE WAS VOMITING. LIGHT FUMES IN THE FRONT. ( BLEED AIR SUPPLY SYSTEMS ); (SUPPLEMENTAL INFORMATION TO FOLLOW)