No Observable Acute Effect Level definition

No Observable Acute Effect Level or "(NOAEL)" means any concentration equal to or less than the critical test concentration in a single concentration (pass/fail) toxicity test, conducted pursuant to Section 22a-430-3(j)(7)(A)(i) of the RCSA, demonstrating 90% or greater survival of test organisms at the CTC.
View Source
No Observable Acute Effect Level or “NOAEL" means the highest concentration of a substance or combination of substances which does not cause acute toxicity to aquatic organisms.
View Source
No Observable Acute Effect Level or "(NOAEL)" means any concentration equal to or less than the critical test concentration in a single concentration (pass/fail) toxicity test, conducted pursuant to Section 22a-430-3(j)(7)(A)(i) of the
View Source

Related to No Observable Acute Effect Level

  • Sound level meter means an instrument which includes a microphone, amplifier, RMS detector, integrator or time averager, output meter, and weighting networks used to measure sound pressure levels.

  • Barrier Observation Date means each of the Barrier Observation Dates as specified in § 1 of the Product and Underlying Data. If a Barrier Observation Date is not a Calculation Date for one or more Basket Components, the immediately following day, which is a Calculation Date shall be the respective Barrier Observation Date for all Basket Components.

  • Elevated blood lead level (EBL) means an excessive absorption of lead that is a confirmed concentration of lead in whole blood of 20 µg/dl (micrograms of lead per deciliter of whole blood) for a single venous test or of 15-19 µg/dl in two consecutive tests taken three to four months apart.