The phrase "a bulk of reports" is correct and usable in written English.
It can be used when referring to a large quantity or mass of reports, typically in a context discussing data or documentation.
Example: "The team analyzed a bulk of reports to identify trends and patterns in customer feedback."
Alternatives: "a large number of reports" or "a significant amount of reports".
The trial proceeded as planned from February 2008 until November 2008 when the study supervisor noted a bulk of death reports.
In order to verify the validity of the criteria, the theoretical predictions are compared with a bulk of new experimental results recently reported in the open literature on mixed-mode I/III fracture of round graphite bars weakened by circumferential blunt V-notches.
Angela Wilkins, the leader of the Labour group on Bromley council, said she was concerned that the bulk of reports about people being turned away seemed to be from Crystal Palace, the most deprived and diverse part of the borough.
The source opined that Saddam wanted to distance himself from al Qaeda.' " The Standard story dismisses the importance of this information, arguing that "the bulk of reporting on the relationship contradicts this claim". But the contradictory "bulk" turns out to be pretty flimsy.
T.J: "The fact is, newspapers as news-gathering organizations produce the bulk of reporting in the United States.
The Jones Day fees comprise the bulk of reported litigation fees the city posts on its website; they make up about 61% of the fees the city spent so far this year.
Taken together, these results provide one explanation for the lower correlation between self-reported and accelerometer-assessed physical activity in sociodemographic groups where mild activities constitute the bulk of reported physical activity.
A senior official, speaking under the Foreign Office practice of anonymity, said the bulk of the report was from reports by academic and human rights groups about incidents in the 1980's and 90's.
The prime minister defended his performance after the government accepted the bulk of a report on the health and social care bill by an independent panel of experts.
"The bulk of these reports have been discounted as being not credible," Mr. Blumenthal said.
