AMERICAN HEALTHY HOMES SURVEY: [•jfe A National Sti. nY 01 Residential Related Hazards —,K 1 111,.in1, l\ Midi :::illi1, I VvUj-i i1, I > -Si. u n1, s- I hup i \ %¦ Ve r t2, I' .1 ¦ >i i.-\ I \l \Imki Xeu.1, I\ ! oriiiKUiii1, E k.11111 '11 - •1, ( * i1 • -11 L, W Fi i Ini i::3, I- !'in/, i3, / A l.-y3, ! >. \ '• 4, < i I l^wah4 ;ii®pucy, \ fi»ii 1 I \SKi^fUc &ILIRTp Kc 2 ( S 1 iivncwlcitl 11 I'irijltvi.iit'ii Aaency, Vntuuril I \p't^r ic '.itsc '? I S. I- U'«7u lVv&loptTk'.ul ()Llll[ llC Washniiiluu [PC 4 Un, nlecli Rossi vu VA. I .ihoKiU'i( nu_M(;ili ()lI. Preliminary Findings Iff f ¦ lhe US Environmental Protection Agency's (EPA), National Exposure Research Laboratory (NER.L) and the US Department of Housing and Urban Development's (HUD), Office of Healthy Homes I and Lead Hazard Control conducted a national survey of housing related hazards in US residences. The collaborative study, the American Healthy Homes Survey (AHHS), was designed to assess environmental concentrations of lead, allergens, mold, pesticides, and arsenic in and around US residences. The questionnaire and environmental data were collected from a stratified, nationally representative sample of approximately 1,100 US residences. The data collected in this study are being used to develop new distributions of residential concentrations and estimate potential risk, and to produce a high quality di )r examining changes i sdby EPA to asses; immediately outside tl: The pesticides residue data are being used to provide EPA with nationally representative i and to reported use of household products. The data will be the foundation of a dataset fc surface wipe samples for residential use insecticides showed that the concentration of 25 : magnitude of these environmental n of specific molds and ¦ and risks 01 Thear re being used by ;a characterizing cu future pesticide res and pyrethroid insecticides were measured. Compounds long removed fron :al-world data collected from AHHS will be used as input variables to evaluate and improve EPA's exposure and < m other organizations to identify areas for future research, develop improved mitigation/risk reduction strategies. int-use pesticide residue concentrations related to applicator and/or homeowner applied pesticides re trend analyses. Preliminary findings based on the chemical analysis of 15% of the total hard :o 102 ng/cm2. Concentrations of organophosphate, organochlorine market (e.g. DDT, chlordane) and other recently deregistered compounds (e.g. chlorpyrifos, diazinon) w modeling tools. Results from this study will be used by HUD, EPA, and risk as reduce future health risks from environmental hazards. 0\ei vii'W nvironmental Protection Agency's (EPA) National Exposure Research |H Laboratory (NERL) and the U.S. Department of Housing and Urban /Development's (HUD) Office of Healthy Homes and Lead Hazard Control conducted a national survey of housing related hazards in US residences from May 2005 to March 2006. Collaboration between EPA and HUD was designed to: * Produce a nationally representative database that will provide concentrations of lead, allergens, mold, pesticides, and arsenic US residences Assess selected residential concentrations and housing ct general p opulation Produce first e\er national estimates of levels of additional housing related hazards besides lead and allergens Develop new distributions of residential concentrations Produce a high quality database for examining changes in the occurrence and magnitude of these environmental cc AHHS Objectives • Results will be used to address a number of EPA and HUD research objectives, . including improving our understanding of current environmental concentrations ,in US residences and the key factors influencing these concentrations • The data produced will be used to monitor the change in level of health hazards in homes over time, where baseline data are available, and in refining the under- standing of certain patterns identified in the HUD's National Survey of Lead and Allergens in Housing (NSLAH) of 1999-2001 • Produce (remove - first ever) national estimates of the levels of additional housing related hazards including: ¦ Specific molds in house dusts ¦ Residential use pesticides in indoor house dusts and soils \ Study Design \ * Data collected from participants in private & public residences * .Nationally representative data reflective of real-world environmental commonly found in and around the nation's residences * EPA sample collection included surface wipe samples from a common living homeowner vacuum bags, and soil samples from outside of the home * Samples and survey information were collected during a single day Nation Sample of PSUs Sample of Segments zz Sample of Housing Units If Housing Units Sample of Rooms Q Samples Collected Inside and Outside of Homes EPA Sample Collection and Analysis Standard EPA protocols used for samyU collection and analysis Hard surface floor wipes (pesticides): • Surface wipe procedure was used to collect pesticide deposits and residues from hard floor surfaces • Pesticide residue data will provide EPA with nationally representative data characterizing current-use pesticides and.household products • Residential use pesticides will be related to resident questionnaires. applicator and/or homeowner applied pesticides and household products • The data will be the foundation of a dataset for future pesticide residue trend analyses Vacuum dustbags (mold); • Homeowner vacuum cleaner bags or dust sedto identity and quantify * Homeowner vacuum cleaner mold results were compared with results from a .. — highly standardize d HUD MiTest (see NSLAH for additional information) sampling dust protocol from the same home • Mold will be related to observed sr damage ze spatial and temporal .n indoor mold c< Vacuum dustbags (arsenic); •. Homeowner from bagless • Homeowner \ Hard surface floor wipes (pesticides): ~ Chemical analysis of the hard surface floor wipes indicate detectable concen- trations of almost all targeted insectides from the different classes (organophos- phates, pyrethroids, organochlorines, and fripronil) ~ Compounds long removed from the consumer market (e.g. DDT, chlordane) and other recently deiegistered compounds (e.g. chlorpyrifos and diazinon) were detected in residences ~ Current residential use pesticides such as permethrin, pyrethrins fipronil, allethrin, sumithrin, and deltamethrin were among the highest concentrations of insecticides measured Vacuum dust bags (mold): ~ Vacuum dust samples from 157 residences have been analyzed using mold-specific quantitative polymerase chain reaction (MSQPCR) to identify and quantify molds ~ Homeowner vacuum cleaner bag mold results are consistent with the highly standardized HUD MiTest dust sampling protocol mold results to the extent that homes can accurately be divided into either above or below 50% relative moldiness (see Vesper 2006 for additional information on the EPA Relative Moldiness Index) ~ EPA Relative Moldiness Index values range from -10 to 30 (low to high relative moldiness), with approximately 50% of homes below 0 and 50% above Planned Products and Uses ~ Abundance of data and information will result, including but not limited to manuscripts/reports on: ¦ Overall study design and sampling methodology ¦ Lead results and methodology ¦ Allergen results and methodology ¦ Mold results and methodology ¦ Pesticide results and methodology ~ Study results used by HUD, EPA, and others to: ¦ Examine changes in the occurrence and magnitude of these environ- mental concentrations over time ¦ Identify potential problems, need for follow-up ¦ Develop and implement improved mitigation/risk reduction strategies ¦ Reduce futuie health risks from environmental hazards Disclaimer Although this work was reviewed by EPA and HUD id approved for publication, it may not necessarily reflect official Agencies' policy. ) ------- |