As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2818, THE CREW REPORTED FOG DENSE IN COCKPIT DURING TAKEOFF ROLL, NO BURNING SMELL JUST FOGGED ALL WINDOWS. TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE CLEANED WATER SPRAY NOZZLE ON NR 1 PACK IAW EMB145 AMM 21-51-13, OPERATIONALLY CHECKED WITH NO DEFECTS. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.