Can I extend the range of the TPH in Soil kit by dilution?
The pocket colorimeter kit by Hach offers an immunoassay method to measure TPH (Total Petroleum Hydrocarbons) in soil samples - a useful indicator of petrol pollution or contamination in soil. For areas of heavy contamination the range of the test can be extended by dilution during the soil extraction step. [caption id="attachment_7251" align="aligncenter" width="300"] Soil Testing for co...