Cleaning Validation doubt

Hii Experts

I have few doubt about the cleaning validation
as under guidance of the APIC we calculate the MACO but some how its show value is 2450000 mg . i.e 2.45 kg is to high.
We check so many time any calculation error we have done, but its show the same.
Our facility is dedicated facility we calculated base on LD50 (50-500mg) NOEL value and then MACO but its quite to difficult which one is corrected can you guys please help me for the solve the query.

Or for the calculating NOEL value we have two Range of the LD50 i.e 50-500 which one we select LD50 for calculating NOEL value