Brussels says that the tests are stringent at all levels and that existing rules, agreed by the UK, prevent benefit tourism.
Substances which are readily degradable are considered not to be persistent (not P) [26], as the test is fairly stringent.
Note, however, that the KS test is extremely stringent, as it compares two distributions only on the basis of the maximum difference between them.
Tukey's post hoc test is a stringent test identifying pairwise differences within the populations considered for ANOVA.
Oil derived from GM soyabeans, for example, cannot be tested as it often contains no DNA or protein.While the testing regime is flawed, it is stringent enough to present a serious problem for farmers in poor countries who want to export their crops.
Two screening tests are available (OECD 311, ISO 11734), which are characterized by a low microbial density (a small inoculum) and the fact that the test substance is the only carbon source, i.e. the test conditions are stringent but not necessary realistic with regard to the fate of chemicals like surfactants.
Analysis of the test run under submerged conditions reveals that the tests ASTM D 5210, ISO 11734, ISO 14853, OECD 311 and the ECETOC test are characterized by a low microbial density (a small inoculum) and the fact that the test substance is the only carbon source, i.e. the test conditions are stringent, but not necessary realistic with regard to the fate of chemicals like surfactants.
The tier-two test is a more stringent test designed to represent a particular field system, such as a cooling tower, a swimming pool, or a medical implant device.
olafgypsy Given the number of dents and scratches left in the bumpers of my car parked in the city streets and having seen drivers hitting the car in the back, and then the one in front, while trying to park, I actually wish that the parking test was more stringent than it is in New York.
