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Did you ever think about how the spring-cleaning ritual developed? Before the advent of electricity and a host of other modern conveniences, homes were heated with coal, oil and/or wood, and lit by gas or candlelight. Soot and grime were the natural companions of winter. Once spring arrived, the doors were thrown open, and everything – rugs, furniture, cupboards, curtains and more – was aired out, cleaned out, swept out and scrubbed out.
Although today's centrally heated…
PHOSPHORUS DYNAMICS BETWEEN JAMES RIVER
AND CHESAPEAKE BAY
Chiu-Shia Fen
December 1988
SCHOOL OF ENGINEERING AND
APPLIED SCIENCE
D E P A R T M E N T O F CIVIL E N G I N E E R I N G
UNIVERSITY OF VIRGINIA
CHARLOTTESVILCE, VIRGINIA 22901
PHOSPHORUS DYNAMICS BETWEEN JAMES RIVER
AND CHESAPEAKE BAY
A Thesis Presented to
the Faculty of the School of Engineering and Applied Science
University of Virginia
In Partial Fulfillment
of the requirement for the Degree
Master…
I
I
I
I
SANITARY ENGINEERING RESEARCH LABORATORY
COLLEGE OF ENGINEERING
AND
SCHOOL OF PUBLIC HEALTH
UNIVERSITY OF CALIFORNIA
( BERKELEY
THE FATE OF PHOSPHORUS IN
SEWAGE TREATMENT PROCESSES
P a r t I I I
P o s t - A e r a t i o n , Anaerobic D i g e s t i o n , and
P r e l i m i n a r y Clean S o l u t i o n
P r e c i p i t a t i o n Experiments
by
Arnold B. Menar
and
David J e n k i n s
December 1970
S a n i t a r y Engineering Research Laboratory…
Bathrooms are where the cleaning challenges can really get tough. There are so many surfaces: chrome, brass, glass, porcelain, fiberglass ... plus a wide variety of soils: hard water deposits, soap film, rust stains and mildew, not to mention germs. An assortment of effective cleaning products is available for these jobs.
Cleaning Tips
Rinse the tub after each use to keep soap film and hard water deposits from forming. Keep a small sponge…
You can keep your home clean despite your pets and for your pets with these tips.
Cleaning For Pet Health
Sometimes our pets get sick. A fur-baby can catch a virus, pick up bacteria, or become host to parasites. Prevention is key. Pets should receive regular vaccinations. See your veterinarian for the best guide in determining the timing of vaccinations for dogs, cats and other pets. There are also things you can do around the house to help keep your animal…
Many of us are spending more time at home these days. Itching to spring clean? Join us for a cleaning challenge with daily tips, hacks and fun ideas with the #SafeAndCleanAtHome Challenge!
To be sustainable, we must meet our current needs without compromising the ability of future generations to meet theirs. Together, we can ensure a vibrant future.
Sustainable Practices
From saving water and energy to recycling, ACI has resources on steps everyone can take each day to clean in a sustainable way.
Saving Water…
Whether it’s time for your once-a-year deep clean or you need to restock cleaning products for your home, we’ve got you covered with a cleaning supply checklist to make sure you’ve got everything you need.
Items
Routine Care
Special Instructions
Appliances
Accessories
Trim
Use a nonabrasive, all-purpose cleaner. Rinse with clean water and dry with a clean, soft cloth.
Avoid using abrasive cleanser that may scratch the plastic.
Bathtubs
Shower Stalls
Sinks
Wall Tile
Use a tub/tile/sink cleaner; nonabrasive, all-purpose cleaner; or a paste of baking soda and water. Apply the cleaner to the…
Whether you have an infant, toddler or preschooler at home, it’s important to understand cleaning priorities and practices as kids crawl, toddle and run. Focus cleaning efforts on key places for health and wellbeing and stay ahead of cleaning safety precautions.
Cleaning for Health
Parents with infants do, on average, a load of laundry a day. Parents with toddlers know anything within reach will be put in their mouths…