input question: Fix spacing: Therearemanyinvestigations,whichhavedocumentedcleanupfromabout2,000downtoabout200mgtotalPAH/kgwithtimescalesof6monthstoseveralyears.Generally,itisdifficulttocalculatethetimescaleforbiologicaltechniques.

output answer: There are many investigations, which have documented clean up from about 2,000 down to about 200 mg total PAH/kg with time scales of 6 months to several years. Generally, it is difficult to calculate the time scale for biological techniques.

input question: Fix spacing: TheremainsrepresentthelargestpartoftheirNovoGro30production,whichtakesplaceinNovozymesWastewaterandBiogasdepartment,whichalsoaccountsforwastewatertreatmentandbiogasproduction.

output answer: The remains represent the largest part of their NovoGro 30 production, which takes place in Novozymes Wastewater and Biogas department, which also accounts for wastewater treatment and biogas production.

input question: Fix spacing: Purepolyureaisextremelyfastcuring,hasexcellentchemicalresistanceandissuitableforimmersionandwaterproofing.

output answer: Pure polyurea is extremely fast curing, has excellent chemical resistance and is suitable for immersion and waterproofing.

input question: Fix spacing: WheredoesthelegacyofslaveryintheU.S.fitin?Wheredoesthecurrentconcentrationofwealthfitin?Wheredothe'freetrade'agreementsthatinsertextensiveinstitutionalcontrolforthebenefitofsomeeconomicactorsagainstothersfitin?Inotherwords,wheredoestheeconomicgoodresideif'thesystem'benefitsbutactualpeopledon't?

output answer:
Where does the legacy of slavery in the U.S. fit in? Where does the current concentration of wealth fit in? Where do the 'free trade' agreements that insert extensive institutional control for the benefit of some economic actors against others fit in? In other words, where does the economic good reside if 'the system' benefits but actual people don't?