Before revision: Measures or defined limits include: No effect concentration (NEC), No Observed Effect Concentration (NOEC), No-observed-adverse-effect level (NOAEL) Lowest-observed-adverse-effect level (LOAEL) Acceptable Operator Exposure Level (AOEL)thefreedictionary.com/AOEL Retrieved on June 19, 2009 ECx (in percent)
After revision: Measures or defined limits include: no-effect concentration (NEC), no-observed-effect concentration (NOEC), no-observed-adverse-effect level (NOAEL) lowest-observed-adverse-effect level (LOAEL) acceptable operator exposure level (AOEL)thefreedictionary.com/AOEL Retrieved on June 19, 2009 ECx (in percentage).