The phrase "administration were based on" is not correct in standard written English.
It should be "administration was based on" to agree in number, as "administration" is a singular noun.
Example: "The policies of the administration were based on extensive research and public feedback."
Alternatives: "the administration relied on" or "the administration's decisions stemmed from".
20 Data regarding the disposables used for drug administration were based on expert advice.
Contraindications for the volume administration were based on the evidence of fluid overload and/or of hydrostatic pulmonary edema.
Doses for free drug administration were based on our previous studies in which neuroprotection was achieved with free VPA and based on the literature for free N-acetylcysteine.
Estimates for timing of pre-operative questionnaire administration were based on an analysis of those patients for whom date of surgery was available through linkage with HES.
The doses of the opioid antagonists and timing of administration were based on previous studies conducted by Choi et al. [ 30] and Reeta et al. [ 31].
Note, that the choice of dose and route of administration were based on the previous demonstration that Cl-amidine reduces disease severity in the murine collagen induced arthritis model of rheumatoid arthritis [ 5].
Finally, the entire approach of the administration is based on an outmoded one-man-one-employer view of the economy.
This whole administration is based on a desperate delusion.
But he said the approach taken by the administration was based on "unrealistic expectations" and "unachievable timelines".
The term, which came into vogue in the early 1990s and was embraced by the Clinton administration, is based on the notion that America's attractiveness abroad is as significant a measure of its influence as hard military might.
The analysis of science posts in the Trump administration is based on a list of "key science and technology positions" compiled in a 2008 report by the National Academy of Sciences, the large majority of which are Senate-confirmed positions.
