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Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...
A lawn edger creates a clean, deep notch where the grass meets the curb, sidewalk, driveway, or patio, resulting in a clear and visually appealing edge. These clear edges aren’t just aesthetic ...
Impervious surfaces (roads, parking lots and sidewalks) are constructed during land development. During rain, storms, and other precipitation events, these surfaces (built from materials such as asphalt and concrete), along with rooftops, carry polluted stormwater to storm drains, instead of allowing the water to percolate through soil. [2]
Ultrasonic algae control is a commercial technology that has been claimed to control the blooming of cyanobacteria, algae, and biofouling in lakes, and reservoirs, by using pulsed ultrasound. [ 6 ] [ 7 ] The duration of such treatment is supposed to take up to several months, depending on the water volume and algae species.
This article originally appeared on Rockland/Westchester Journal News: Swimming safety: sewage overflow, algae blooms, how to know water is OK. Show comments. Advertisement. Advertisement.
An audit of L.A.'s scandalous response to broken sidewalks put the service call backlog at 50,000, but there is no long-range plan in place to make those fixes Column: LA's cracked, ruptured ...
Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air.The measurement of turbidity is a key test of both water clarity and water quality.
Algae can also look like colored scum, foam or streaks along the surface of the water. Warnings of toxic blue-green algae blooms are proliferating as warmer weather hits California. How toxic ...
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