Thus, the data were gathered to establish the radiation levels existing at the site prior to the operation of the new plant, providing a baseline for comparison with later measurements that would be gathered once the plant had gone into operation.
(the data; were gathered; to establish the radiation levels) (the plant; had gone; into operation) (the data; to establish; the radiation levels existing at the site prior to the operation of the new plant) (the radiation levels; existing; L:at the site; T:prior to the operation of the new plant) (later measurements; would be gathered; T:once the plant had gone into operation)
the data the plant the data the radiation levels later measurements
were gathered had gone to establish existing would be gathered
to establish the radiation levels
into operation
the radiation levels existing at the site prior to the operation of the new plant
L:at the site T:prior to the operation of the new plant
T:once the plant had gone into operation