There are inherent differences between the use of a NOEC or LOEC derived from hypothesis testing to estimate a safe concentration, and the use of a LC, IC, EC, or other point estimates derived from curve fitting, interpolation, etc.
LOECs calculated through testing the hypothesis are different from ICs found through interpolation.
He began digging in 1900 after buying the site and financing the excavation program with his own money, and almost immediately struck the first building blocks of a huge Bronze Age palace replete with magnificent pottery and other artifacts.