Updated (reduced) typical concentrations for stormwater for Hg from the following land uses:

– Office area
– Residential area without road ditches, min
– Residential area without road ditches, max
– Multifamily area with street trees in a skeletal soil (macadam-soil mixture) without Local disposal of stormwater in the block
– Multifamily area with street trees in a skeletal soil (macadam-soil mixture) with Local disposal of stormwater in the block
– Multifamily area with biofilter without local disposal in block
– Multifamily area with biofilter with local disposal in block
– Office area with street trees in a skeletal soil (macadam-soil mixture) without Local disposal of stormwater in the block
– Yard area within block
– Artificial turf field

Updated typcical concentrations regarding all substances and the land uses:
– Local street with curbstones
– Local street after reduction in open ditch.

Updated (reduced) baseflow concentrations from road areas for the following substances:
– N, Zn and Cr.