This text is missing some spaces, please add them: Therearemanyinvestigations,whichhavedocumentedcleanupfromabout2,000downtoabout200mgtotalPAH/kgwithtimescalesof6monthstoseveralyears.Generally,itisdifficulttocalculatethetimescaleforbiologicaltechniques.
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.

This text is missing some spaces, please add them: Youwanttofeelcompetenttotakegoodcareofyourdog!
You want to feel competent to take good care of your dog!

This text is missing some spaces, please add them: Inadditiontothis,thereistheenvironmentalbenefitofreplacingtheburningofoilwithenergyproductionbasedonnature’sownpower.
In addition to this, there is the environmental benefit of replacing the burning of oil with energy production based on nature’s own power.