Their findings showed all BIT concentrations well below the derived NESIL, with 0.0009% and 0.0027% for sunscreen and dish soap, respectively, and no detection in the laundry detergent and spray cleaner products, meaning the concentration was at or below the limit of detection of 0.0006%.
The research findings indicated that all BIT concentrations were well within the NESIL limits, with as low as 0.0009% and 0.0027% detected in sunscreen and dish soap, respectively, while laundry detergent and spray cleaner products showed no detectable levels, which was below the limit of detection of 0.0006%.