The phrase "a ceiling level of" is correct and usable in written English.
It can be used when discussing limits or maximum thresholds in various contexts, such as finance, regulations, or performance metrics.
Example: "The project has a ceiling level of funding that cannot be exceeded without prior approval."
Alternatives: "a maximum limit of" or "a cap of".
Inspection of raw data indicated that no participants reached a ceiling level, performing well below the lowest possible contrast.
Quinpirole-treated rats had not reached ceiling levels of observing responses because both OLPs and EOLPs increased further during extinction.
The apparent inflexibility of OLPs of quinpirole-treated rats was not because these rats had reached ceiling levels of responding.
Investigators encountered ceiling levels of particle-bound polycyclic aromatic hydrocarbons in rural Chinese dwellings when values exceeded 60,000 ng/m, the upper limit of the measurement protocol (Ligman et al. 2004).
There is usually a "ceiling," or level of earnings, beyond which the contribution becomes flat-rate at the level of contribution due on this maximum of earnings, though this is not the case in either Sweden or Switzerland.
Healthy subjects typically perform at ceiling level for recognition of happy facial expressions and, indeed, after accounting for this, a behavioural impairment in the recognition of happy facial expressions has not been reported in pre-manifest Huntington's disease.
There also would be a ceiling on the level of domestic subsidies based on a percentage of the country's total agricultural production.
Oktophonie comes from Dienstag (Tuesday) and, according to its composer, "is the first composition that exists in which there is vertical movement between four groups of speakers at ceiling level and four at ground level".
You want shots from ceiling level, people routinely thrown through walls, lots of skilful slapstick and something Morriconeish on the soundtrack?
Brooks speculated that one of the reasons A.I. systems and robots appeared to hit a ceiling at a certain level of complexity was that they were built of the wrong stuff that maybe the fact that robots were not flesh made more of a difference than he'd realized.
