QSP Practice Problems Part VI

Practice Questions	Answers:
T or F: Your permit has a requirement on how frequent BMPs should be inspected.	True
Apart from erosion and sediment controls, what items should be identified in the SWPPP site plans?	Material storage areas and vehicle entrances and exits.
Approximately how much BMP material should be stored on site?	Its a good idea to keep about 120% of materials on site.
How long would records be kept after final stabilization?	3 years.
Apart from erosion and sediment controls, what items should be identified in the SWPPP site plans?	Material storage areas and vehicle entrances and exits.
How frequent should check structures be if your wier is 18" (1.5) with a channel slope of 1%?	Height/Slope = 1.5'/0.01 = 150'
When should sediment be cleaned at a weir?	When sediment reaches 1/3 the depth of the weir.
What is the expected life span of a straw bale?	3 months
How frequent should a wattle be placed if the slope is 30%	Per CGP, you have a scope of 25-50% therefore sheet flow length is 15 feet.
In a 40 lb fertilizer bag that says 10-5-20, how many lbs of nitrogen is in the bag?	10% x 40 lbs = 4 lbs of nitrogen.
In a 40 lb fertilizer bag that says 10-5-20, how many lbs of phosphate is in the bag?	5% x 40 lbs = 2 lbs of phosphate.
In a 40 lb fertilizer bag that says 10-5-20, how many lbs of potassium is in the bag?	20% x 40 lbs = 8 lbs of potassium.
How do you know when you have enough mulch?	When you do not see any soil under the mulch.
Name three Plant Based Tackifiers.	Guar, Psyllium, Starch
Name three Polymeric Emulsion Blend Tackifiers.	Acryclic Copolymers, acrylates, acrylamides.

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