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Photo: Dave Jenkins, CPESC The sample on the left is just under 1 NTU , the middle is 25 NTUs, and the one on the right is 250 NTUs. In Washington state, the Construction Storm Water General NPDES Permit ...
I just did a quick, random, drive-by of a job and this is what I as the inspector saw. This might tell me that the construction staff, owner and contractor, don’t understand what is required or, haven’t ...
Bonded Fiber Matrix (BFM) needs to dry for 24 to 36 hours before it rains or else it can start to wash off. Video: David Jenkins, CPESC
In this sand bag berm part 3 video I show the amount of rain runoff diverted away from a project versus the turbid site water. Video: David Jenkins, CPESC
Photo: Dave Jenkins, CPESC The sample on the left is just under 1 NTU ... More
The construction manager on a two acre apartment project in Kitsap county ... More
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