You are here:
EPA Home » Science Inventory » NHEXAS PHASE I MARYLAND STUDY
NHEXAS PHASE I MARYLAND STUDY
Contact
WARNING! DATA USE RESTRICTIONS
Read Carefully Before Using
The EPA does all it can to ensure that the identity of survey participants cannot be disclosed. All direct identifiers, as well as any characteristics that might lead to identifications, are omitted from the data. Any intentional identification or disclosure of a person or establishment violates the assurances of confidentiality given to the providers of the information. Therefore, users will (1) use the data in this study for statistical reporting and analysis only; (2) make no use of the identity of any person or establishment discovered inadvertently and will advise the HEDS Administrator of any such discovery; (3) will not link this data with individually identifiable data from other EPA or non-EPA data.
By using the data you signify your agreement to comply with the above-stated statutorily based requirements.
Description:
The National Human Exposure Assessment Survey (NHEXAS) is a federal interagency research effort coordinated by the Environmental Protection Agency (EPA), Office of Research and Development (ORD). Phase I consists of demonstration/scoping studies using probability-based sampling designs. The studies collected household environmental and personal samples for chemical analysis, and questionnaires were administered. The NHEXAS Phase I Questionnaires were organized into six modules for simplicity in administration (to minimize respondent burden and maximize participation rates at each step) and for collecting information that can be temporally related to the exposure, concentration, and/or biological measurements collected in NHEXAS: Descriptive, Baseline, Technician, Follow-up, Time and activity diary, and Dietary diary (and follow-up). The NHEXAS-Maryland study sampled residences determined by a proportion-based sample of Baltimore and four adjacent counties and measured metals, pesticides, and polynuclear aromatic hydrocarbons (PAHs). The study was conducted by Harvard University, Emory University, Johns Hopkins University, and Westat. Data collection occurred up to six times over one year for the participating households. Analytical results were obtained under strict QA/QC requirements during collection, processing, and final deposition into databases.
The NHEXAS-Maryland study was an investigation of temporal variability in multimedia, multipollutant exposures. The study population consisted of eighty participants above the age of ten in four counties and the city of Baltimore in Maryland. This sample included residents of urban, suburban, and rural areas and is representative of the racial diversity of the region. Samples from each participant were taken six times over the course of one year. The sampling periods, or Cycles, were spaced approximately two months apart between September 1995 and September 1996. Specific dates for Cycles 1-6 are as follows: September 21 - December 20, 1995; January 15 - February 25, 1996; February 26 - April 20, 1996; April 22 - June 14, 1996; June 17 - July 27, 1996; and July 29 - September 18, 1996. Pollutants monitored were drawn from several classes of contaminants including metals, polynuclear aromatic hydrocarbons, and pesticides. Various environmental media were monitored including outdoor, indoor, and personal air, drinking water, food, house dust, soil, and dermal wipes. Biological media including blood and urine were also sampled and monitored for parent contaminants or biological metabolites of parent contaminants. In addition, a series of questionnaires was administered to aid in determining factors that influence such exposures.
NOTE: The U.S. Environmental Protection Agency (EPA), through its Office of Research and Development (ORD), partially funded and collaborated in the research described here. Mention of trade names or commercial products does not constitute endorsement or recommendation by EPA for use.
Record Details:
Record Type:PROJECTRelated Records:
NHEXAS PHASE I MARYLAND STUDY--METALS IN AIR ANALYTICAL RESULTSRelationship Reason:NHEXAS PHASE I MARYLAND STUDY--METALS IN AIR ANALYTICAL RESULTS22900DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR RECEIPT OF DATA FROM OUTSIDE AGENCIES (D09)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR RECEIPT OF DATA FROM OUTSIDE AGENCIES (D09)22899DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--LIST OF AVAILABLE DOCUMENTS: PROTOCOLS AND SOPS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--LIST OF AVAILABLE DOCUMENTS: PROTOCOLS AND SOPS22895DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE--COMPENDIUM OF METHODS FOR ANALYSIS OF TRACE METALS AND PESTICIDES IN DIETARY SAMPLES USING TOTAL DIET STUDY PROCEDURES (FDA-COMPENDIUM)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE--COMPENDIUM OF METHODS FOR ANALYSIS OF TRACE METALS AND PESTICIDES IN DIETARY SAMPLES USING TOTAL DIET STUDY PROCEDURES (FDA-COMPENDIUM)22894DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE--COMPENDIUM OF METHODS FOR ANALYSIS OF METALS AND VOCS IN WATER (EPA-COMPENDIUM)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE--COMPENDIUM OF METHODS FOR ANALYSIS OF METALS AND VOCS IN WATER (EPA-COMPENDIUM)22893DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE--COMPENDIUM OF METHOD SUMMARIES FOR COLLECTION AND ANALYSIS OF METALS, PESTICIDE METABOLITES, AND VOCS IN BLOOD AND URINE (CDC-COMPENDIUM)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE--COMPENDIUM OF METHOD SUMMARIES FOR COLLECTION AND ANALYSIS OF METALS, PESTICIDE METABOLITES, AND VOCS IN BLOOD AND URINE (CDC-COMPENDIUM)22892DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF FIELD COORDINATION CENTER STAFF (G11)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF FIELD COORDINATION CENTER STAFF (G11)22891DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF PHLEBOTOMISTS (G10)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF PHLEBOTOMISTS (G10)22890DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF LABORATORY TECHNICIANS (G09)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF LABORATORY TECHNICIANS (G09)22889DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF INTERVIEWERS (G08)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF INTERVIEWERS (G08)22888DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF FIELD TECHNICIANS (G07)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR TRAINING OF FIELD TECHNICIANS (G07)22887DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PROBLEM MANAGEMENT (G06)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PROBLEM MANAGEMENT (G06)22886DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR STORAGE AND SHIPPING OF SAMPLES (G05)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR STORAGE AND SHIPPING OF SAMPLES (G05)22885DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR CHAIN-OF-CUSTODY AND SAMPLE TRACKING (G04)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR CHAIN-OF-CUSTODY AND SAMPLE TRACKING (G04)22884DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR IDENTIFICATION NUMBERS FOR SAMPLES AND FORMS (G03)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR IDENTIFICATION NUMBERS FOR SAMPLES AND FORMS (G03)22883DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR ENSURING CONFIDENTIALITY OF RESPONDENTS' RECORDS (G02)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR ENSURING CONFIDENTIALITY OF RESPONDENTS' RECORDS (G02)22882DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PREPARATION OF STANDARD OPERATING PROCEDURES (G01)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PREPARATION OF STANDARD OPERATING PROCEDURES (G01)22881DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXPLORATORY DATA ANALYSIS AND SUMMARY STATISTICS (D05)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXPLORATORY DATA ANALYSIS AND SUMMARY STATISTICS (D05)22880DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR LOGSHEET AND CONFIDENTIAL QUESTIONNAIRE DATA ENTRY AND PREPARATION (D04)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR LOGSHEET AND CONFIDENTIAL QUESTIONNAIRE DATA ENTRY AND PREPARATION (D04)22879DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR LAB RESULTS DATA ENTRY AND PREPARATION (D03)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR LAB RESULTS DATA ENTRY AND PREPARATION (D03)22878DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR QUESTIONNAIRE DATA ENTRY AND PREPARATION (D02)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR QUESTIONNAIRE DATA ENTRY AND PREPARATION (D02)22877DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR DATA FLOW PROCEDURES (D01)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR DATA FLOW PROCEDURES (D01)22876DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PREPARATION OF FOOD AND BEVERAGES BY HOMOGENIZATION (L15)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PREPARATION OF FOOD AND BEVERAGES BY HOMOGENIZATION (L15)22875DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR DETERMINATION OF PESTICIDES AND PAHS BY GC/MS (L14)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR DETERMINATION OF PESTICIDES AND PAHS BY GC/MS (L14)22874DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF NEUTRAL PESTICIDES FROM DRINKING WATER (L13)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF NEUTRAL PESTICIDES FROM DRINKING WATER (L13)22873DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF NEUTRAL PESTICIDES FROM ISOPROPANOL DERMAL WIPES (L12)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF NEUTRAL PESTICIDES FROM ISOPROPANOL DERMAL WIPES (L12)22872DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF NEUTRAL PESTICIDES AND PAHS FROM HOUSE DUST AND SOIL (L11)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF NEUTRAL PESTICIDES AND PAHS FROM HOUSE DUST AND SOIL (L11)22871DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF NEUTRAL PESTICIDES AND PAHS FROM AIR SAMPLING MEDIA (L10)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF NEUTRAL PESTICIDES AND PAHS FROM AIR SAMPLING MEDIA (L10)22870DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PREPARATION OF EXPOSURE MEDIA (PUFS AND QUARTZ FIBER FILTERS) FOR AIR SAMPLERS FOR PESTICIDE AND PAH COLLECTION (L09)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PREPARATION OF EXPOSURE MEDIA (PUFS AND QUARTZ FIBER FILTERS) FOR AIR SAMPLERS FOR PESTICIDE AND PAH COLLECTION (L09)22869DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR ANALYSIS OF METALS BY ICP-MS (L08)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR ANALYSIS OF METALS BY ICP-MS (L08)22868DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR ANALYSIS OF METALS BY GF-AAS (L07)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR ANALYSIS OF METALS BY GF-AAS (L07)22867DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF METALS FROM SAMPLING MEDIA (L06)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR EXTRACTION OF METALS FROM SAMPLING MEDIA (L06)22866DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR SIEVING AND DIVISION OF DUST AND SOIL SAMPLES (L05)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR SIEVING AND DIVISION OF DUST AND SOIL SAMPLES (L05)22865DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR BALANCE OPERATION (L04)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR BALANCE OPERATION (L04)22864DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR OPERATION OF AN ULTRA-HIGH PURITY WATER SYSTEM (L03)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR OPERATION OF AN ULTRA-HIGH PURITY WATER SYSTEM (L03)22863DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR CLEANING OF GLASS AND PLASTIC CONTAINERS (L02)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR CLEANING OF GLASS AND PLASTIC CONTAINERS (L02)22862DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PURCHASE OF CONSUMABLES (L01)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR PURCHASE OF CONSUMABLES (L01)22861DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR DUPLICATE SAMPLING (F12)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR DUPLICATE SAMPLING (F12)22860DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF BLOOD SAMPLES FOR METAL, PESTICIDE, PAH, VOC, AND LIPID ANALYSIS (F11)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF BLOOD SAMPLES FOR METAL, PESTICIDE, PAH, VOC, AND LIPID ANALYSIS (F11)22859DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF URINE SAMPLES FOR METAL, PESTICIDE, AND CREATININE ANALYSIS (F10)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF URINE SAMPLES FOR METAL, PESTICIDE, AND CREATININE ANALYSIS (F10)22858DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR ADMINISTRATION AND ANALYSIS OF FOOD CHECKLIST AND PURCHASE OF MINI-MARKET BASKET FOOD (F09)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR ADMINISTRATION AND ANALYSIS OF FOOD CHECKLIST AND PURCHASE OF MINI-MARKET BASKET FOOD (F09)22857DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF DUPLICATE DIET SAMPLES FOR METAL, PESTICIDE, AND PAH ANALYSIS (F08)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF DUPLICATE DIET SAMPLES FOR METAL, PESTICIDE, AND PAH ANALYSIS (F08)22856DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF DRINKING OR TAP WATER SAMPLES FOR METAL AND PESTICIDE ANALYSIS (F07)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF DRINKING OR TAP WATER SAMPLES FOR METAL AND PESTICIDE ANALYSIS (F07)22855DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF DERMAL WIPE SAMPLES FOR METAL AND PESTICIDE ANALYSIS (F06)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF DERMAL WIPE SAMPLES FOR METAL AND PESTICIDE ANALYSIS (F06)22854DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF SOIL SAMPLES FOR METAL, PESTICIDE, AND PAH ANALYSIS (F05)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF SOIL SAMPLES FOR METAL, PESTICIDE, AND PAH ANALYSIS (F05)22853DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF HOUSE DUST SAMPLES FOR METAL, PESTICIDE, AND PAH ANALYSIS (F04)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF HOUSE DUST SAMPLES FOR METAL, PESTICIDE, AND PAH ANALYSIS (F04)22852DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF PERSONAL AIR SAMPLES FOR METAL ANALYSIS (F03)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF PERSONAL AIR SAMPLES FOR METAL ANALYSIS (F03)22851DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF INDOOR AND OUTDOOR AIR SAMPLES FOR METAL, PESTICIDE, AND PAH ANALYSIS (F02)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF INDOOR AND OUTDOOR AIR SAMPLES FOR METAL, PESTICIDE, AND PAH ANALYSIS (F02)22850DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR FIELD SAMPLING--GENERAL INFORMATION (F01)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--STANDARD OPERATING PROCEDURE FOR FIELD SAMPLING--GENERAL INFORMATION (F01)22849DOCUMENT1.0RELATED DOCUMENTREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QUALITY SYSTEMS AND IMPLEMENTATION PLAN (HSPH QSIP)
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QUALITY SYSTEMS AND IMPLEMENTATION PLAN (HSPH QSIP)22848DOCUMENT1.0RELATED QUALITY SYSTEMS AND IMPLEMENTATION PLANREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--DESCRIPTIVE QUESTIONNAIRE DATA
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--DESCRIPTIVE QUESTIONNAIRE DATA22941DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--BASELINE QUESTIONNAIRE DATA
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--BASELINE QUESTIONNAIRE DATA22940DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--TECHNICIAN WALKTHROUGH QUESTIONNAIRE DATA
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--TECHNICIAN WALKTHROUGH QUESTIONNAIRE DATA22939DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--FOLLOW-UP QUESTIONNAIRE DATA
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--FOLLOW-UP QUESTIONNAIRE DATA22938DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--FOOD CHECKLIST QUESTIONNAIRE DATA
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--FOOD CHECKLIST QUESTIONNAIRE DATA22937DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--TIME-ACTIVITY DIARY QUESTIONNAIRE DATA
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--TIME-ACTIVITY DIARY QUESTIONNAIRE DATA22936DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDE METABOLITES IN BLANKS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDE METABOLITES IN BLANKS22934DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDES IN BLANKS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDES IN BLANKS22933DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PAHS IN BLANKS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PAHS IN BLANKS22932DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR METALS IN BLANKS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR METALS IN BLANKS22931DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDE METABOLITES IN SPIKE SAMPLES
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDE METABOLITES IN SPIKE SAMPLES22929DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDES IN SPIKE SAMPLES
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDES IN SPIKE SAMPLES22928DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR METALS IN SPIKE SAMPLES
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR METALS IN SPIKE SAMPLES22926DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDES IN REPLICATE SAMPLES
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PESTICIDES IN REPLICATE SAMPLES22923DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PAHS IN REPLICATE SAMPLES
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR PAHS IN REPLICATE SAMPLES22922DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR METALS IN REPLICATE SAMPLES
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--QA ANALYTICAL RESULTS FOR METALS IN REPLICATE SAMPLES22921DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--LIPIDS IN BLOOD ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--LIPIDS IN BLOOD ANALYTICAL RESULTS22920DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN BLOOD ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN BLOOD ANALYTICAL RESULTS22919DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--METALS IN BLOOD ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--METALS IN BLOOD ANALYTICAL RESULTS22918DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PESTICIDE METABOLITES IN URINE ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PESTICIDE METABOLITES IN URINE ANALYTICAL RESULTS22917DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--METALS IN URINE ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--METALS IN URINE ANALYTICAL RESULTS22916DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN FOOD ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN FOOD ANALYTICAL RESULTS22915DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--METALS IN FOOD ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--METALS IN FOOD ANALYTICAL RESULTS22914DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN WATER ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN WATER ANALYTICAL RESULTS22913DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--METALS IN WATER ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--METALS IN WATER ANALYTICAL RESULTS22912DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN DERMAL WIPES ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN DERMAL WIPES ANALYTICAL RESULTS22911DATA SET1.0RELATED DATA SET`REVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PAHS IN DERMAL WIPES ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PAHS IN DERMAL WIPES ANALYTICAL RESULTS22910DATA SET1.0RELATED DATA SET`REVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--METALS IN DERMAL WIPES ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--METALS IN DERMAL WIPES ANALYTICAL RESULTS22909DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN SOIL ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN SOIL ANALYTICAL RESULTS22908DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PAHS IN SOIL ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PAHS IN SOIL ANALYTICAL RESULTS22907DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--METALS IN SOIL ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--METALS IN SOIL ANALYTICAL RESULTS22906DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN DUST ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN DUST ANALYTICAL RESULTS22905DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PAHS IN DUST ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PAHS IN DUST ANALYTICAL RESULTS22904DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--METALS IN DUST ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--METALS IN DUST ANALYTICAL RESULTS22903DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN AIR ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PESTICIDES IN AIR ANALYTICAL RESULTS22902DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
NHEXAS PHASE I MARYLAND STUDY--PAHS IN AIR ANALYTICAL RESULTS
Relationship Reason:NHEXAS PHASE I MARYLAND STUDY--PAHS IN AIR ANALYTICAL RESULTS22901DATA SET1.0RELATED DATA SETREVIEWEDPUBLICORDNERL
Related Organizations:
Role :OWNEROrganization Name :U.S. EPA Human Exposure and Atmospheric Sciences Division
Primary Email :admin.heds@epa.gov
Mailing Address :P.O. Box 93478
Citation :Las Vegas
State :NV
Zip Code :891933478
Quality Assurance:
Title :NHEXAS PHASE I MARYLAND STUDYData Use & Constraints :NHEXAS is a rich source of data. EPA encourages you to use the data for research and analysis. User familiarity with data file manipulation and analysis is required. EPA does not have the resources to perform analyses, check results, debug programs, or do literature review for your work. Thorough review of the documentation on the survey's planning, analytic guidelines, and individual datasets available through HEDS and EIMS should resolve most questions. If you still have questions after careful review of the documentation, please contact the Human Exposure and Atmospheric Sciences Division at (919) 541-3184 or send an e-mail to "admin.heds@epa.gov". Please review the data use restrictions in the Notice field (EIMS Summary page) and your agreement to comply with these restrictions in using the data.
These data are the result of a probability-based sampling design specific to the population under study. Thus the data may or may not be representative of subsets of this study's population or of other populations. The study was designed to test certain hypotheses, and this may limit its applicability for other purposes. When using these data it is important to consider the percentage of non-responses or non-detects in the data as an indicator of its usefulness for other purposes. No liability is accepted by the U.S. EPA for any errors or omissions in the results included in the data sets, associated information, and/or documentation.
Based on the output format selected by the user and the software into which the data set is imported, users may notice that measurements and sampling weights are zero-padded to the right of non-zero decimal digits. These zeroes are purely a function of the formatting process and the software's acceptance of that format and should not be construed to represent significant digits in the value. Measurement values are provided with four significant digits; sampling weights are provided with three decimal digits.