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Show The Salt Lake TribuneUTAH LIVING a “Surround yourself with Houseplants Clear the Air, Council Says as manyofyourfavorite plants as practical and rest assured that they would contribute toa clean indoor environment.” @ Continued from F-1 were effective in removing such B.C. Wolverton toxins as Acetone, xylene and ammoniafrom indoor air. author, Howto Grow Fresh Air == In all, 50 plants have been stud: ied for their effectiveness in removing toxins from the air through their root systems and leaves. In his book Howto Grow concepts, not actual research, he says. In the past decade, a number of further studies have been con- Fresh Air, Wolverton lists the plants and rates them according to their efficiency at removing tox. ins andease ofcare. There is a common-sense appeal to Wolverton’s and othersci- entists’ findings that houseplants canpurify indoorair. Afterall, the world’s forests produce oxygen and removecarbondioxide from the environment. Why wouldn't the same phenomenon occur in- side a homeor office decorated with a numberofplants? Environmental Protection Agency officials remain skeptical. ‘Aplant should not be relied upon to control indoor air pollution,” says Kristy Miller, special ist in the indoor-air division ofthe EPA. “Ventilation, we have found, is one of the keys to keeping a building’s indoor environment sound.” Further, EPAofficials question COTTONWOOD ins SECLUSION! ‘Steve Griffin/The Salt Lake Tribune The rubberplant (Ficus robusta) is high on B.C. Wolverton'slist of beneficial indoorplants. the number ofplants that would be required to have aneffect on in- door air quality. So manyplants might be required that “you'd be living in atropical rain forest or something,” Miller says. Further, all those plants could pose their own threat to air quality byintroducing moisture, mold and fungi, she says. Wolvertonsays he has metseveral times with EPA officials to address their concerns and remainsfrustrated bytheir position regarding plants and indoor air quality. Their original concerns centered on computer modeling ducted and their results supplied to the EPA. “Yet EPA’s statements to the public and the media continue to rely upon their early computer modeling and ignore the scientific studies conducted to address these issues. Research conducted by German researchers and myself have been published in scientific journals listed iin the bibliography of mybook. In spite of the EPA, people are buyingplants to purify the air a side their homesandoffices, says. Just how manyplants are nec- essary to improve indoor air qualityis difficult to determine. A rule of thumb,hesays, is to “surround yourself with as many of your favorite plants as practical and rest assured that they would Sunday, January9, 2000 two of the top seven plants rated mosteffective at removing form- aldehyde per 100 square feet Those plants, listed in How to GrowFresh Air, are the Boston fern, Florists mum, Gerbera daisy, Dwarf date palm, Dracaena ‘Janet Craig,” Bamboo palm and the Kimberley queenfern. The EPA hasidentified hun- LadyPalm (Rhapis excelsa) “ee (Chamaedorea seifri- concentrations in indoorair, but formaldahyde was consistently found in the highest concentra: a uber Plant (Ficus robusta) en “Janet — (Dracaena is “Janet Craig’ tions, hence the emphasis on those sevenplants. But because indoor air varies, a mix of plants may workbest “Ina large room,suchas great oerelshIvy(Hedera felix) Dwarf Date Palm (Phoenix roebelenii) — Alii (Ficus macleilandii (Schlumbergera bridgesii) crispum “Silver Queen”) Anthurium (Anthurium andraea- soil, that a 1- to 2-inch cover of aquarium gravel or similar material cover the soil surface to pre- vent mold growth.” Ideally, plants can be grown using hydroculture techniques, which would eliminate the mess and mold associated with soil and eliminate the guesswork in watering. Wolvertonpredicts more people will adopt hydroculture tech- Florist’'s Mum (Chrysanthemum morifolium) Gerbera Daisy(Gerbera jamesonii) Dracaena “Warneckei” (Dracaena deremensis neGneenl ) Dragon racaena mi Red Emerald Philodendron.‘Philo. dendron erubescens) ees (Syngonium podophyl- aDab Cane(Dieffenbachia niques as they use plants prima- rily to clean theair. Parlor Palm (Chamaedorea elegans) evening Fig (Ficus benjamina) Schefflera (Brassaia actinophylla) andtheir parents, (00, Readall about iton Dat feat her Geese f garagessatelite dhets Chinese Evergreen (Aglaonema num) Croton (Codiaeum variegatum picm) Poinsettia (Euphorbia pulcherri- ma) Dwarf Azalea (Rhododendron sim: sii “Compacta") Peacock Plant (Calathea mako- yana) Aloe Vera (Aloe barbadensis) Cyclamen(Cyclamen persicum) Urn Plant (Aechmeafasciata) Tulip (Tulipa gesneriana) Moth Orchid (Phalenopsis) Kalanchoe (Kalanchoe blossfeldi- a) Come ees ord Luxury TOWNHOMES Just 4 yrs old and on a 1/2 acre lot. Open floor plan, main floor master. Huge separate shopwith heat, power and restroom. 3 car garage and gorgeous Fantastic 2 story on 1.4 acres. Main floor master, office, foyer, bay windows, formaldining, and 3 car garage. extras to list her ou $350,000 et andnen peaceful. This onesitson an xot- ica Compacta”) SANDY$525,000 SoU $275,000 =! n lor plan, lasof is 2 cars deep,large covered patio an hardwood and See famiy oom et ancheRv aerone beautiful lake views. WARDLEY BETTER HOMES AND GARDENS The rental ewepoper ‘and reader. Rental ead have no place in umns. Please call {you find any exception. 801.263.8102 hardwood floors and mountain views. SALT LAKE $500,000 eaeee Shd unobstructed 180 degree vale 2 story atrium, Eiraite Kitchen, Views. andfantastic mastersui Starting in the $150's * 2 Decorated Models 4600 South 1175 West * Salt Lake City, Utah mou, eer M beautiful kitchen/famih i acre. : Lots bg of RV parking, room, mother in law apartment down, H of tile work and twofamily roor ms 5, 7365 S. Comstock Cir. (3910 E) isii) Prayer Plant (Maranta leuconeura “Kerchoveana”) Dwarf Banana (Musa cavendishii) Christmas and East Cactus Kimbere Queen (Nephrolepis obliterata) tieseiust reduced $52,000! Only the best thing. 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PARK JEWEL! fet tam 580-5567 208228 i adoressba ypewae sey contmndsay the air. ( Fresh Air, by B.C. Wolverton) Areca Palm (chrysalidocarpus lutescens) ‘TheFirebird” for the kiddies MIKE LINDSAY: Superior Achievement with the varieties listed first rated highest for ease of care and effi. ciency at removing toxins from dreds of chemicals in varying complete with attached RV garage. DOWNTOWN LUXURY! wih a ae he he 2 seo i These 50 plants have been tested for their ecological benefits, CANYON SETTING! Ne me 1992 E Pheasant Way (5650 8.) MEDITERRANEAN VILLA! {016 € Lakewood ov. 6420.8), NEW HOLIDAY MANSION! 50 Waysto Improve Your Environment environment.” Ata minimum, he recommends u/s anid atsGat Nets atone West Salt Lake City, Utah 4640 South 1175 801.231.2929 www.redpointmarketing.com TMOFRE REEGAS FRERENT THRU JANUARY! CHESEAPARK CANTBEAT OURSTZE is 4ond2Bdm. 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