Sentence examples for below the limits of quantification from inspiring English sources

Concentrations of APs and PCBs were below the limits of quantification in all the sediments analyzed.

Nevertheless, the current study demonstrates that the presence of hydrazine in contemporary STPs is relatively infrequent, and when present hydrazine is at levels below the limits of quantification and detection that can be achieved using current analytical best-practice.

However, in most samples the concentrations of these compounds have been below the limits of quantification.

POP concentrations below the limits of quantification were treated as one-half of the respective limits of quantification (middle bound).

The HPLC analysis detected low levels of homogentisic acid, cinnamic aldehyde, and gomisin N; however, their amounts were below the limits of quantification (LOQ) and were recorded as not detected (nd).

Plasma HIV-1 viral loads were determined by clinical ultrasensitive Amplicor HIV-1 Monitor Test (quantification limit, <48 copies/ml, Roche Diagnostics Systems), and the viral load in all patients was below the limits of quantification.

The concentrations measured in the perfusate samples were below the limit of quantification at all time points, indicating limited absorption of the antibiotic from the glandular tissue.

Levels of DS and HS in urine from healthy controls of all ages were below the limit of quantification.

Trichloroacetonitrile (TCAN) and dibromoacetonitrile (DBAN) were below the limit of quantification (LOQ) in all samples.

Other impurities could be detected below the limit of quantification <0.01% (or 0.1 mg/g).

Samples with toxin values below the limit of quantification (LOQ) were recorded as containing no detectable toxin.