The phrase "arrived upon arrival" is not correct and is redundant in written English.
It can be used in contexts where you want to emphasize the moment of reaching a destination, but it is better to avoid redundancy.
Example: "The team arrived upon arrival at the conference center, ready to set up their booth."
Alternatives: "arrived at" or "reached upon arrival."
SSBs in newly arrived subjects quickly increased upon arrival to the city, from 39.8 +/- 8.34% in the first week to 67.29 +/- 2.35 by week 2. Thereafter, the number of cells with SSBs remained stable in spite of the continuous increase in cumulative ozone, suggesting a threshold for cumulative DNA nasal damage.
Each vaccine shipment is inspected upon arrival to ensure that the vaccines arrived in good condition, that they were not exposed to extreme temperatures and that they meet all the procurement specifications.
Thirty-six percent of Caribbean-English are children or adolescents upon arrival in the USA, with 42 % arriving as emerging or young adults.
Now, all new RCMP officers arriving in the territory take that training, although how soon upon arrival hinges on the college's schedule.
His family, of Russian origin, arrived with just four suitcases and $800 and they were robbed upon arrival.
Prior to the lean changes, patients were triaged upon arrival by a nurse (or by a physician if arriving by ambulance).
For women arriving during 1990s, the probability to be in the labor force upon arrival was about 80% lower than for the local women.
According to a media release by the Honolulu Police Department, Stout arrived at the health center with "numerous gunshot wounds" and "went unconscious upon arrival".
Upon arrival, Castro discovered that of the 82 rebels who had arrived on the Granma, only 19 had made it to their destination, the rest having been killed or captured.
He arrived in Berkeley in 1959, ostensibly to work with Chern, who, he learned upon arrival, had celebrated his first year at the University by taking a sabbatical.
