NBSIR 77-1293

ANALYSIS OF HOUSING DATA

COLLECTED IN A LEAD-BASED

PAINT SURVEY IN PITTSBURGH,

PENNSYLVANIA - PART II

Douglas R. Shier

and

William G. Hall

Applied Mathematics Division

Institute for Basic Standards

National Bureau of Standards

Washington, D.C. 20234

June 1977

Final

Prepared for: Housing Technology Programs

Center for Building Technology

Institute of Applied Technology, NBS

Sponsored by:

Office of Policy Development and Research

Department of Housing and Urban Development

Washington, D.C. 20410

U.S. DEPARTMENT OF COMMERCE, Juanita M. Kreps, Secretary

Dr. Sidney Harman, Under Secretary

Jordan J. Baruch, Assistant Secretary for Science and Technology

NATIONAL BUREAU OF STANDARDS, Ernest Ambler, Acting Director
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TABLE OF CONTENTS

Page

Abstract 1

1. Introduction 2

2. Description of the Tables 4

2.1 Set A Tables (Housing Data) 4

2.2 Set B Tables (Housing Data) 8

2.3 Set C Tables (Housing/Blood Data) 11

3. References 13

Appendix A: Set A Tables 14

Appendix B: Set B Tables 87

Appendix C : Set C Tables 136

Appendix D: Data Collection Form for Housing Inspection 185

ANALYSIS OF HOUSING DATA COLLECTED IN A LEAD-BASED

PAINT SURVEY IN PITTSBURGH, PENNSYLVANIA

Part II

Abstract

This report represents Part II of a two-part document describing a

lead-based paint survey conducted in Pittsburgh, Pennsylvania.

Part I of this document (NBSIR 77-1250) presented details of the design,

methodology and findings of this survey. The current report (Part

II) presents and describes a series of tables summarizing the Pittsburgh

survey data base, which includes measured lead levels of various surfaces

in dwelling units and blood lead levels of children resident in those

units. Most of the data analyses conducted in Part I derive from these

tables. Thus, the tabulations given in this report provide pot only the

basis for those analyses but also a potential source for additional data

analyses

.

Key Works: Blood lead; children; data analysis; housing; lead paint;

lead poisoning; surveys.

1

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1. INTRODUCTION

During 1974 and 1975, the National Bureau of Standards (NBS) , under

sponsorship of the Department of Housing and Urban Development (HUD)

,

conducted, in cooperation with the Allegheny County Health Department, a

large-scale survey of housing in Pittsburgh, Pennsylvania. This survey

collected various data on the extent, magnitude and distribution of leadbearing paint surfaces within the dwelling units of the sampled area.

Also, blood samples and socioeconomic information were collected from

children under seven years of age resident in those units. In contrast

to previous surveys, the Pittsburgh lead-based paint survey was a largescale, statistically designed effort aimed at characterizing the lead

levels in dwelling units comprising an entire city, and not simply a high

risk area. Additional details concerning the design, methodology and

findings of the survey are provided in [1]*, which constitutes Part I of

this two-part document. A statistical study of the children's blood

lead levels, together with details of the chemical analysis techniques

employed, can be found in a previous NBS report [2].

The current report (Part II) presents and describes a series of

tables that summarize the Pittsburgh survey data. In fact, the data

analyses given in [1] are for the most part derived from these tables.

In addition, the tables provide a potential source for further data

analyses, based on other combinations of housing characteristics

(described in Section 2) which may not have been explicitly treated in

Part I.

The entire set of tabulations actually produced, using the Pitts-

*Figures in brackets indicate references listed in Section 3.

2
burgh data base, are far too voluminous for inclusion in this report.

Accordingly, a representative subset of those tables is provided here,

and this set should suffice for the purposes of most analyses. Listings

of additional tables (which follow the same formats as those described

here) can be provided by NBS, upon request, to interested researchers.

In Section 2, the classifications used in structuring the tables are

defined and the data elements forming each table are discussed. The

tables themselves (arranged into three sets of tables) are displayed

in the Appendices. These tables provide supporting data tabulations

on which the analyses and conclusions of Part I have been based

.

3
2. DESCRIPTION OF THE TABLES

The various tables provided in this report have been classified

into three distinct sets: those designated as "Set A," "Set B," and

"Set C." The tables in Sets A and B summarize the interior lead level

measurements obtained in the survey according to the values of certain

housing-related variables. (The data collection form on which these

and other measurements were recorded is shown in Appendix D.) The tables

in Set C relate the interior lead level measurements in dwelling units

to the blood lead levels found in children residing in those units,

also grouped according to various housing variables. The contents and

use of each set of tables will be discussed in this section.

2 . 1 Set A Tables (Housing Data)

Tables from this set are those from which most of the cumulative

distributions of Part I have been derived. Each table of this set shows

(by age of unit, occupancy class, room type, surface type and surface

condition) the fractions of the dwelling units, rooms, and surfaces in

which the highest lead level reading equals or exceeds certain specified

levels. Since each table involves a number of variables and stratifications for such variables, this information will be described first. Subsequently, the interpretation and use of these tables will be discussed

in some detail.

Tables have been calculated for every combination of values assumed

by the variables listed below. Only a certain subset of these calculated

tables are, however, presented in the Set A Tables. An asterisk in the

list below denotes those values of the variables for which a corresponding

4
table has been included in Appendix A.

I

.

Age of Dwelling Unit

*Pre 1940

*1940-1959

*1960-1975

*ALL

II

.

Occupancy Class

SINGLE FAMILY - OWNER OCCUPIED - FHA MORTGAGE

SINGLE FAMILY - OWNER OCCUPIED

SINGLE FAMILY - RENTER OCCUPIED

* SINGLE FAMILY - ALL

MULTIFAMILY - 2 to 4 UNITS /BUILDING

MULTIFAMILY - 5 or MORE UNITS /BUILDING

*MULTIFAMILY - (2 or MORE UNITS /BUILDING)

PUBLIC HOUSING - 2 to 4 UNITS /BUILDING

PUBLIC HOUSING - 5 or MORE UNITS /BUILDING

*PUBLIC HOUSING - ALL

*ALL

III

.

Room Type

*DRY (all rooms except kitchens and bathrooms)

*WET (kitchens and bathrooms)

*ALL

IV. Surface Type (interior)

*WALLS

*WIND0WS

*DOORS

V. Surface Condition

This designation does not appear in the data base for each surface,

but rather is recorded by surface type (walls, trim) for each room. Note

that inspectors were instructed to assign these condition codes on the

basis of the worst condition present in the room.

*PEELING - denotes a surface on which the paint film itself is

peeling, flaking, blistering or powdering.

*BAD - denotes a surface which has a bad substrate regardless

of the condition of the surface; this category includes all

5
imperfections except hairline cracks, nail holes, etc.

*EITHER - denotes a surface which is either PEELING or BAD or

both.

*BOTH - denotes a surface that is both PEELING and BAD.

*ALL - denotes all surfaces, regardless of condition.

VI, Specified Lead Levels

*0.0 mg/cm2 *0.5 mg/cm2

*1.0 mg/cm2 1.5 mg/cm2 *2.0 mg/ cm2 2.5 mg/cm2 3.0 mg/cm2 4.0 mg/ cm2

*5.0 mg/cm2 *7.5 mg/cm2

10.0

mg/cm2

The tables in Set A provide (for defined values of the variables

listed in I-V) the number and fraction of dwellings, rooms or surfaces

for which the highest lead level equals or exceeds the specified lead

level. Since it is possible to obtain negative lead level readings,

such negative readings have been retained for the calculation of statistical quantities, such as the mean, median and standard deviation.

However, any derived statistic which assumes a negative value has been

set equal to zero for the purposes of the tables in this report. As a

2

result, any table with specified lead level 0.0 mg/cm actually provides

a count of the number of dwellings, rooms, or surfaces according to the

categories listed in I-V.

Each table of Set A contains as a heading a room type, a specified

lead level, and an occupancy class. The three groups of columns refer to

the three surface types, while the four groups of rows (ten lines each)

6
refer to the age group of the dwelling unit. For each age group, the

first line gives counts for the number of dwelling units in which at

least one of the lead level readings equals or exceeds the specified lead

level; these counts on the first line are further categorized by surface

condition within surface type. The second line gives the fraction of

the dwelling units in which at least one of the lead level readings

equals or exceeds the specified level, also categorized by surface type

and surface condition. „

Lines 3-6 contain, for each column, one half the width of a confidence interval* (about the fraction in line 2) with confidence levels

99%, 95%, 90%, and 80%, respectively. For example, the third table of

Set A shows that a 99% confidence interval,, for the true fraction of all

pre 1940 single-family dwelling units with at least one dry room wall

2 reading equal to or exceeding 1.0 mg/cm , is .636 + .028 (i.e., it extends

from .608 to .664). In repeated sampling, the true fraction should

lie in a 99% confidence interval (calculated in this way) 99 times out

of 100. Likewise, a 95% confidence interval for the true fraction is

given by .636 + .021, while an 80% confidence interval for the fraction

is given by .636 + .014.

Lines 7 and 8 give the number and fraction of rooms (by surface type

and condition) with at least one lead level reading equal to or exceeding

*The calculation of these confidence intervals follows the procedure

described in Appendix B of [3]. Despite the fact that the underlying

statistical distribution of individual lead level readings is highly

non-normal [1], the sample sizes given in these tables are usually

large enough (e.g., in excess of 50 observations) for the Central Limit

Theorem [4] to hold. Since the confidence interval calculations rely on

the application of this theorem, the indicated confidence intervals will

be valid so long as the sample size is sufficiently large.

7
the specified lead level. Since only a single lead level reading was

taken for doors and windows within a room, the quantities appearing on

these two lines for doors and windows also represent the number and

fraction of lead level readings satisfying the stated conditions.

Lines 9 and 10 give the number and fraction of surfaces (by surface

type and condition) with at least one lead level reading equal to or

exceeding the specified lead level. For doors and windows, it is assumed

that all doors within a room have the same lead level as the measured

door, and that all windows have the same lead levels as the measured

window. In addition, the condition code for walls in a room is (conservatively) assumed to characterize all walls within the room, while

the trim condition code is assumed to characterize all windows and doors

within the room.

2.2 Set B Tables (Housing Data)

In contrast to the tables of Set A (which summarize the lead level

readings by dwelling, room and surface), the tables of Set B contain information aggregated on a room basis. In addition, these tables illustrate

variations in lead levels (a) within rooms, and (b) among rooms of the

same type. The Set B tables (found in Appendix B) use variables having

stratifications similar to those described in relation to Set A. The

categorizing variables, and their associated values, are described below.

As in Set A, the cases appearing in tables of this report are indicated by

an asterisk. The remaining cases have been calculated but do not appear

here.

8
I. Age of Dwelling Unit

*Pre 1940

*1940-1959

*1960-1975

*ALL

II. Occupancy Class

*S INGLE FAMILY

MULTIFAMILY

*ALL

III. Room Type

*DRY

*WET

ALL

IV. Surface Type (interior)

*WALLS

*TRIM (doors, windows, baseboards, cabinets, fireplaces)

*ALL

V. Surface Condition

*G00D (surface tight and substrate good)

*BAD (surface peeling and/or substrate bad) r

> *ALL

VI

.

Specified Lead Intervals

* 0.0 - 0.49 mg/cm2 *0.50 - 0.99 mg/cm2 *1.00 - 1.49 mg/cm2 *1.50 - 1.99 mg/cm2 *2.00 - 2.49 mg/cm2 *2.50 - 2.99 mg/ cm

2 *3.00 - 3.99 mg/cm2 *4.00 - 4.99 mg/cm2 *5.00 - 7.49 mg/cm2 *7.50 - 9.99 mg/cm2 *>10.0 mg/cm2

*ALL

Each table is identified by a lead level interval, an occupancy

class, and a room type. The statistics given in the body of the table

refer to those rooms in which the mean wall lead level lies in the

9
specified lead level interval. In each table, the four groups of columns

represent the four dwelling unit age categories, while the four groups

of rows represent certain collections of surface types.

In the group of ten lines with the heading WALLS, the first line

contains a count of the number of rooms (by age category and surface

condition) with mean wall lead level in the specified interval. The

second line converts this number into a percent of all rooms corresponding to that room type, occupancy class, age category, and room

(wall) condition.

Lines 3-4 contain, respectively, the mean of the room means for

the wall lead levels and the standard deviation of these room means.

In a similar way, lines 5-6 represent the mean and standard deviation

of the within-room standard deviations for wall lead levels. The last

four lines represent, respectively, the mean and standard deviation of

the room medians, and the mean and standard deviation of the highest wall

lead level in the room.

The TRIM and ALL groups of rows contain the same quantities as those

given in lines 3-10 above for the WALLS group, except that these statistics

are now based on the lead levels of the trim (TRIM) , or on the walls

plus ceilings plus trim (ALL). Again, these quantities have been calculated for all rooms in which the mean wall lead level lies within the

specified lead interval.

The final group of lines (T-W) contains statistics similar to those

on lines 3-4 and 7-10 in the WALLS group, except that the calculations

are now based on differences between trim and wall surfaces. More

specifically, the two lines headed by MEAN give the mean and standard

10
deviation of the mean trim minus the mean wall reading for each room.

Similarly, the lines for MEDIAN are based on median trim minus median

wall, while those for HIGH are based on high trim minus high wall. As

before, such quantities are calculated for all rooms in which the mean

wall lead level lies within the specified lead interval.

2. 3 Set C Tables (Housing/Blood Data)

The tables of this set are quite similar to the Set B tables, except

that the children's blood lead levels have been used to control the calculations of room-based statistics for lead levels. Thus all calculations

for these tables are performed using those dwelling units containing

children for whom blood lead levels had been determined. Apart from the

blood lead level intervals described below, the remaining variables and

their values remain the same as those listed in I-V, Set B.

VI . Specified Blood Lead Intervals

* 0 - 4 yg/100 ml

* 5 - 9 yg/100 ml

*10 - 14 yg/100 ml

*15 - 19 yg/100 ml

*20 - 24 yg/100 ml

*25 - 29 yg/100 ml

*30 - 34 yg/100 ml

*35 - 39 yg/100 ml

*40 - 44 yg/100 ml

*45 - 49 yg/100 ml

* ^ 50 yg/100 ml

*ALL

Each table is identified by a blood lead interval, occupancy class

and room type; also given are the number and percent of children associated with that occupancy class with blood lead levels in the specified

interval. The four groups of columns represent the four dwelling unit

11
age categories. The line denoted by CHILDREN gives for each age category

the number and percent of children within that occupancy class having

blood lead levels in the specified interval. As in the tables from

Set B, the four groups of rows represent certain collections of surface

types. Apart from the differences noted above and the fact that a line

does not appear for PERCENT (of rooms) , the elements of this table

correspond exactly to those defined in Set B.

12
3 . REFERENCES

[1] Shier, D. and Hall, W. , "Analysis of Housing Data Collected in a

Lead-Based Paint Survey in Pittsburgh Pennsylvania: Part I,"

NBSIR 77-1250, National Bureau of Standards, May 1977.

[2] Urban, W., "Statistical Analysis of Blood Lead Levels of Children

Surveyed in Pittsburgh, Pennsylvania: Analytical Methodology and

Summary Results," NBSIR 76-1024, National Bureau of Standards,

April 1976.

[3] Hall, W. , and Slovic, L.T., "Survey Manual for Estimating the

Incidence of Lead Paint in Housing," Technical Note 921, National

Bureau of Standards, September 1976.

[4] Feller, W., An Introduction to Probability Theory and Its Applications ,

Vol. I, John Wiley and Sons, New York, 1968.

13
APPENDIX A

Set "A" Tables

Table of Contents

Occupancy Class Room Type Pages

SINGLE-FAMILY DRY 15-20

WET 21-26

ALL 27-32

MULTIFAMILY DRY 33-38

WET 39-44

ALL 45-50

PUBLIC DRY 51-56

WET 57-62

ALL 63-68

ALL DRY 69-74

WET 75-80

ALL 81-86

14
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N 00 o «-4 O o o o o o o o O' o ^4 r-4 o o 44 < o O o o o o o o o CVJ f-4 o o o o 4 o • • • • • • • • • • • • • • •

GO 4 ® o o o o o o o o o o ® in ro o O'N o o O ^4 o o o o o o o o ® 44 o O in 4 O o o o o o o o o CVJ o o o o O ro o • • • • • • • • t • • • • • •

ro in ro o o o o o o o o o o ro ro GO

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pH o o o o o h- o 4 o 00 o o o o o pH o o o o o o o N o o o 4 o o o o o in o H o o o o o o o 4 o in o o o o o O' o

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ro P-4 p-4 p-i o '0 o P-4 P-I ph o o o o in P-4 CO — • • • • • • •

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(02Oahm2ao

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CVJ • • • • • ro • 4 • • • • • • • • 0 • • • • • • CVJ • • • • • 4 • in • H *H pH ^4 ^4 pH

X

O 4 ro o O' vO in CVJ o ro vD o N ro CVJ in in vD rH 4 4 v0 CVJ rH O' 00 ro o CVJ O' 00 CVJ CVJ 4 K ro vO •H rH o o in 4 CVJ 4 r* ro CVJ CVJ rH rH rH CVJ rH CVJ rH ro CVJ CVJ rH o o in <0 rH o o o 4 4 4 O pH o c o o o H o CVJ o o o o o o o o o o o o o o o pH o o o o o rH o cvj O

CD • • • • • • • • • • • • • • • • • • • • • • • • • • • •

cr 00 4 CVJ 4 CO vC ro in o pH vO o CVJ vO O' ro

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N pH pH PH rH

N 4 o 4 X 4 P-« o o o o in pH h* pH o o o o o O o O o O o o o o 4 rH o o o o in pH 00 *H 1-

H-t • • t • • • t • • • • • • • • • t • • • • • • • • • • •

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LUUJa • • • • • • • • • • • • • • • • • • • • • • • • • • • • j N o o o o o oo o 4 o •H o o o o o O' o o o o o o o o o rH o CVJ o N o o o o o pH o o o j ao o o o o o vD o CO o <0 o o o o o o o 'D o o o o o o o o o o o r- o o o o o ro o in o < 4 o o o o o 'O o h- o in o o o o o rH o pH o CVJ o o o o o 4 o in o CVJ o o o o o CVJ o vO o

CVJ • • • t • 4 • N • • • • • • pH • 4 • • • • • • • pH • ro • • • • • vO • ro • H *-* rH pH rH tH pH pH pH <M i o o OJ 00 «0 in o CVJ O' 00 4 ro o 00 vD pH o o o o o o o o O o o o CVJ O' o N VO in o CVJ O' CVJ p in vO ^4 o o o oo 4 o ro rH PH rH o o pH pH 4 rH o o o o o o o O 4 rH O o o o ro ID ro o o o o o o «-H O h- o o o o o o o o o o o o o o o rH O o O o o CVJ o N o

CD • • • • • • • • • • • • • • • • • « • • t • • • • • • •

QC O' o in ro o 4 h- CVJ CO in in O' VO CVJ O' in 4 in ro in CVJ h- 4 rH in CVJ O' ro *G OO vQ CVJ o (0 in 4 ro in

LU 4-

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O CVJ oo CVJn in CVJ pH pH PH ro ro 4 ro pH CVJ pH rH pH rH pH pH 9 4 ^4 pH pH o 4 O

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h * _j cm CO 44 f-4 f—

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CVJ • • • • • ro • <f • • • • • • 9 9 • • • • 9 9 9 CM • • • • • • in • ## i o o •H O' <0 in ro in *0 00 in ro 0 00 N O' O' CVI O 4« in ro 0 O' h* _ ro 44 ro O' h sO in 44 O * H CSJ in o o o ro ro O' ro 44 0 O 0 44 44 0 4-* 44 0 O 0 0 ro O O 0 0 * CM 44 ro * O 44 o o o o o •4 o *4 o 0 0 0 0 O 0 O 0 0 0 0 O 0 0 44 0 O O 0 0 44 O CM 0 **

CD • • • • • • • • • • • • • • • • • • • • • • • • • • • • *

cr

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m CVJ vO 44 44 CO in O' ro ro CVJ o o o o o o o o o o CVJ 44 00 in OO

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86
APPENDIX B

Set "B" Tables

Table of Contents

Occupancy Class Room Type Pages

SINGLE-FAMILY DRY 88-99

WET 100-111

ALL DRY 112-123

WET 124-135

87
MEAN

LEAD

INTERVAL

0.00-0

.49t ***

SINGLE-FAMILY

UNITS ***

DRY

ROOMS * * _l © CO o o 10

©

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O o CM o ^4 10 r^v4 9* CO© O'

O CO * _J O' o* o <r CM O «* * © in * * © © CO CVI O' * 9* ro CM f

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in r» ro ro

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h t

ir < © roO ro <*• CM© ro 10 4 4 O 4 9* 4 4 © CON O' ro ro <0 10 4 4 9*

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ui z z z z F u < < 4 < < < Z z z *-4 z z z 1-4 z z z »4 z z M z 2 K < 15 0 15 <* 3 O 15 < 15 0 15 < 0 15 0 in Ui 1-4 Ui t-4 Ui — Ui 44 Ui t-4 Ui -4 in Ui 1-4 u a z in z z z in z z z in z z I z z

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88

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

0.50-0.99 ***

SINGLE-FAMILY

UNITS ***

DRY

ROOMS * * N X CD < CD p< P< CD

h ro O' CVJ 0 in in

X p* cc ro cc ro ro

h ro * IT) *-• v£) rn <J ro vD CVJ CVJ < h- <* CVJ in o o o <j D vn o O' r— o 00 o 00 o cc o * < • • • • • • • • • • • • • • * r- < pH CVJ ro pH CVJ CVJ ro in ph H p-* CVJ pm

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89

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAO

INTERVAL

1.00-1.49 ***

SINGLE-FAMILY

UNITS ***

DRY

ROOMS * * -J ro o> in *- CM 44

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90

INDICATES

SURFACES I

BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

1

.

50

-

1.99

*

*

*

SINGLE-FAMILY

UNITS

*

*

*

DRY

ROOMS

*

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91

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

2.00-2.49

**

*

SINGLE-FAMILY

UNITS

*

*

*

DRY

ROOMS

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92

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

2.50-2.99

*

**

SINGLE-FAMILY

UNITS

*

*

*

DRY

ROOMS

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93

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

3.00-3.99

**

*

SINGLE-FAMILY

UNITS

*

*

*

DRY

ROOMS

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94

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INDICATES

SURFACES

(BY

AGE

)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

4.00-4.99

**

*

SINGLE-FAMILY

UNITS

*

*

*

DRY

ROOMS

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95

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

5.00-7.49

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INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

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7.50-9.99 ***

SINGLE-FAMILY

UNITS ***

DRY

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97

INDICATES

SURFACES <

BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

10.00

AND

UP***

SINGLE-FAMILY

UNITS ***

DRY

ROOMS * _J o 10 *

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N CO 10 o O' CVJ o ro CVJ CVJ 4 O' 10 sO <r ro *-4 CVJ SO CO CVJ 4 o CVJ h* * -J h v£> O' O O' h o *« CO o 10 4« cvj CVJ 44 o 10 4 ro ro 4 o ro 4* 10 '

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98

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
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ALL

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SINGLE-FAMILY

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DRY

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99
MEAN

LEAD

INTERVAL

0.00-0.49 ***

SINGLE-FAMILY

UNITS ***

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0.50-0.99 ***

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u 0. X in X X X in X X X in X X X X X

o

H

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B

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103

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

2.00-2.49 ***

SINGLE-FAMILY

UNITS ***

WET

ROOMS * -J cm r4 * in CVJ 4 o O' in ro f F in in ro vO

F

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CVj CVJ •4 CVJ ro 44 ro tO CVJ CVJ ro ro in 4 CVJ 44 CVJ CVJ v£> 4 r-* ro ro 4 4

in

Uj o in CD O' *> o GD ro o O' o* ro sD 00 CD O' CVJ o QD

h vO o ro o h- CVJ vO

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104

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

2.50-2.99

*

*

*

SINGLE-FAMILY

UNITS

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*

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WET

ROOMS

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#

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105

)

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

3.00-3.99 ***

SINGLE-FAMILY

UNITS ***

WET

ROOMS # -J 4 0 *4 O' 4 CM <M 0 O' 0* 94 00 CM (M ro 4 4 00 oc CM

N O' r^ 4 0 CMO CM « -J f cc 4 cvj 0 00 O o (M in o r^ 0 CM o 00 ro 00 in (M 94 CM h 00 ro o 94 CM (M in 00 # < 94 • • • • • • • • • • • • • • • • • • • • • • • • • • 9 • • • • #*

ro 0 (VI - ro 94 0 (VI 4 4 (M ro 4 4 0 0 ro p-i ro CM ro - go in - 4 9-* 4 0 *0

lAJ o 4 CM CM ro roO CM o 00 ro 00 4 •4 4 in 00 CM in

N 4 ro <0 oc 4 c h O' in CM < CM 4 4 1*) 00 94 ro o 4 4 0 ro O ro in (M 0 0 4 4 ro in <0 , CM in in in CM ro < m • • . • 9 • • • • • • • • • • • • • • • • • • • • • • • • • •

in ro CM CM CM •"4

h ro <0 4 ro CM in 4 O' <0 in ro ro CM 4 ro O' in

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a. < o o 15 « C5 o o < 15 o 15 < o o © © F4 © *-! © — © *-< © •—< © « © © a X 0 z X z © z I z © z X z z I

106

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

4.00-4.99 ***

SINGLE-FAMILY

UNITS ***

WET

ROOMS iI * * O' CVJ O' O' o CD CVJ o »0 CVJ o ro CVJ

d

Fd 1^ CO *>

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CVJ o CVJ in * < 00 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • *#

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109

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110

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-J< *

111
MEAN

LEAD

INTERVAL

0.00-0.49 ***

ALLEAM

ILV

UNITS ***

DRY

ROOMS « * cv» CV1 o a in «L o in O'

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112

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

0.50-0.99 ***

ALL-FAMILY

UNITS ***

DRY

ROOMS # # -J O' in CO

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113

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

1.00-1.49

*

*

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ALL-FAMILY

UNITS

*

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DRY

ROOMS

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114

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

1.50-1.99 ***

ALL-FAMILY

UNITS ***

DRY

ROOMS * * _J © h PM

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2.

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116

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
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*

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ALL-FAMILY

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DRY

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(BY

AGE)

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WHICH

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3.00-3.99

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*

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ALL-FAMILY

UNITS

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*

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DRY

ROOMS

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119

INDICATES

SURFACES

CBY

AGE)

UPON

WHICH

THE

LEAD

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BASED
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5.00-7.49

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ALL-FAMILY

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INDICATES

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(BY

AGE)

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7.50-9.99

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INDICATES

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(BY

AGE)

UPON

WHICH

THE

LEAD

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INTERVAL

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10.00

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ALL-FAMILY

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127

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

2.00-2.49 ***

ALL-FAMILY

UNITS ***

WET

ROOMS i *#****

if) IDO<

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_J

O

d in oo o d O' GO in ro o in (VJ ^4 *0

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d (VJ (VJ

— (VJ r4 (£) 4 •- r> *4 ro in o O <0 O' h *-• o N ro so _ o (VJ (VJ ro in (O (VJ sO o (VJ 00 <0 00 , ro o d (VJ (VJ < (VJ o *-• t— o o d d o CO (VJ in in o h h ••4 (VJ o in *0 in O' vO o d oc o

CD • • • • • • • • • • • • • • • • • • • • • • ro (VJ (VI ro •“* d ro r> (\J * ro F ro ro (VJ ro (VJ VO < (VJ ro ** d oo h (VJ in If- ro ro If) ro c ro 00 00 0 in in d w* (VJ o (VJ 00 < 00 in O' a o ro d (VJ d c r4 v£) 00 d to d o (VJ •-* (VJ *-4 O' vO to (VJ so ** (VJ o ro vO (VJ ro vO «-« e> • • • • • • • • • • • • • • • • • • • • • •

(VJ (VJ —• (VJ ro -4 ro ro (V) (VJ ro to If) 4 (VJ ^4 (VJ *4 (VJ •4 <0

d ro •-4 ro «< in I * -J (VJ o ^4 (VJ 00 (VJ d in in (VJ (VI ro in (VJ (VJ o in 00 o oo ro o 00 o (VJ O' 4 o sO in -4 * -1 in d o d (VJ d o O' ro ro h (VJ n ro O' (VJ ro O' d «-• (VJ (VJ N H o —4 F O' >0 # d • • • • • • **

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128

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

2.50-2.99

*

*

*

ALL-FAMILY

UNITS

*

*

*

WET

ROOMS

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# J 4 ro CO in <* O' CD cvj ** * © in F © ID co CVJ F F o F in in O' CVJ K o 94 * < ** 0 • • • • • • 0 • • • • • • • • • • • • • • **

CVJ CVJ 9« CVJ 4 CVJ <* CVJ CVJ 10 CO in y> ro 9« CVJ CVJ cvj r- < <1- 9* ro SO m

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fn CVJ CVJ 94 CVJ 1/. 94 * CVJ CVJ CVJ CM <0 4 CO cvj CVJ •“4 ro CVJ <0 ro CVJ ro CVJ cvj CVJ sO J

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X cn X cn X © X w X © X © X © X © X © X © X © X © X cn z cn X cn Z

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3 a < 15 o 15 < 15 o 15 4 15 a 15 4 o ©

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129

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

3.00-3.99 ***

ALL-FAMILY

UNITS ***

WET

ROOMS #*****

(/) LD©<

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vO O'

h in o o CVJ

h o ro O' o <r ro CD 4 O' <t sO O' ro ro CVJ ro

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CD • 9 • • • • • • • • 9 • • • • • • • • 9 • 9 • • 9 • • • • 9 • in ro CVJ CVJ CVJ h- ro in + ro CVJ in <t 00 4 ro ro CVJ * ro o in 94 <t CVJ in sO co ro 4 in O' cc ro - 4 in ro ro o O' o ro 9* + O' o sO sO O' * ro in O' 94 ro 94 o 00 CVJ CVJ CVJ 00 o o CVJ sO ro CVJ *0 00 o ro in sO 00 CO CVJ ro ro <r in o ro «— ro in CVJ © 94 • • • • • • • • 9 • • • • • • • • • • • • • • • • • • 9 • . •

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130

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

4.00-4.99 ***

ALL-FAMILY

UNITS ***

WET

ROOMS #*****

10

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131

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

5.00-7.49 ***

ALL-FAMILY

UNITS ***

WET

ROOMS 4*4**4

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CD

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e>

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132 ) *

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

7.50-9.99 ***

ALL-FAMILY

UNITS ***

WET

ROOMS # -J ro ro *

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1 i • < < < < < < < < < < < < < < < z I z z z z z z z z z z z z z z z z z z z z z z z z z z z z < o < o < o < o < o < o < vs < < vs < vs < 1$ < o < V < vs vs

UJ

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UJ z z z z F U < < < < < < < Z z z c— I z z M I z z M X z X D a < o Q (5 < o Q vs < vs o vs < o vs U UJ UJ l-t UJ M UJ UJ M UJ UJ I-* UJ UJ w u a. z in z X z in z X z w z X z z X

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133

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

10.00

AND

UP***

ALL-FAMILY

UNITS ***

WET

ROOMS I * ro cvj *o o in ro H ro d O' d d in in in in so in in o CVJ o 94 00 o ro CVJ ro * CVJ in JO 00 in o vO o H f* in o O' ro in ro CVJ ro in o o o CVJ ro in O' o 00 oc * < ro • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • * in in in d d ro ro o r^ SO ro d sO d o 00 0J d h- ro o ro 00 r^ so sO O' O' #*

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<n

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n o o d roh in in O'

H ro 00 94

d w* 00 in 94 in O'

d 00 o h~ 00

d

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-< CVJ *4 *4 1 1 i j< c # o ro 00 d o o sO d O' d in O' 00 00 O' oo ro o sO sO sO d o O' <n d © CVJ ro O' in # o in d in 94 © in O' in ^4 0* O' ro 94 00 o O' d r^ 00 o sO oc r- ro in O' *4 00 O' * o (\j • • 9 • • • • • • • 9 • • • • • • • • • • • • • • • • • 9 • • # d in in d d CVJ ro o sO vO SO ro d in in O' 00 CVJ d vO ro o ro O' h- CD \0 sO O' O' ***

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H 94 ^4 1 1 1 # _l o o *o o o o o o o o o o o o o o o o o o O o o o © © O © © O o o # -1 o o o o o o o o o o o o o o © o o o o O o o o o o o o o o o o * < ***

in

r^ o © < ^ CD oooooooooo ooooooooo oooooooo ooooooco oooooooo o o o o o o o o o o o o

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UJ *4 UJ

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M UJ UJ UJ N«

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1-

u < < < < < < < z z z I z z X z z f—

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a < Ifl o 13 < 13

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M UJ

M UJ N4 UJ

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u

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94aK

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31 *

134

INDICATES

SURFACES

(BY

AGE)

UPON

WHICH

THE

LEAD

LEVEL

INTERVAL

IS

BASED
MEAN

LEAD

INTERVAL

ALL

LEVELS ***

ALL-FAMILY

UNITS ***

WET

ROOMS

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135
APPENDIX C

Set "C" Tables

Table of Contents

Occupancy Class Room Type Pages

SINGLE-FAMILY DRY 137-148

WET 149-160

ALL DRY 161-172

WET 173-184

136
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21.9

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136

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29.8

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TOTAL

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BLOOD

LEAD

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20-24 ***

122

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26.8

PERCENT

OF

TOTAL

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WET

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APPENDIX D

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NBS-1 14A (REV. 7-73)

U.S. DEPT. OF COMM. BIBLIOGRAPHIC DATA

SHEET

1. PUBLIC ATION OR RFPOR 1 NO. NBSIR 77-1293

2. Gov’t Accession

No.

3. Recipient’s Accession No.

4. TITLE AND SUBTITLE 5. Publication Date* NBSIR 77-1293 September 1977

ANALYSIS OF HOUSING DATA COLLECTED IN A LEAD-BASED

PAINT SURVEY IN PITTSBURGH, PENNSYLVANIA — PART II

6. Performing Organization (.ode

7. AUTHOR(S)

Douglas R. Shier and William G. Hall

8. Performing Organ. Report No.

9. PERFORMING ORGANIZATION NAME AND ADDRESS

NATIONAL BUREAU OF STANDARDS

DEPARTMENT OF COMMERCE

WASHINGTON, D.C. 20234

10. Project/Task/Work Unit No.

11. Contract/Grant No.

12. Sponsoring Organization Name and Complete Address (Street, City, State, ZIP)

Office of Policy Development and Research

Department of Housing and Urban Development

Washington, D.C. 20410

13. Type of Report & Period Covered

Final

14. Sponsoring Agency Code

15. SUPPLEMENTARY NOTES

16. ABSTRACT (A 200-word or less factual summary of most significant information. If document includes a significant

bibliography or literature survey, mention it here.)

This report represents Part II of a two-part document describing a lead-based paint survey conducted in Pittsburgh, Pennsylvania.

Part I of this document (NBSIR 77-1250) presented details of the design,

methodology and findings of this survey. The current report (Part

II) presents and describes a series of tables summarizing the Pittsburgh

survey data base, which includes measured lead levels of various surfaces

in dwelling units and blood lead levels of children resident in those

units. Most of the data analyses conducted in Part I derive from these

tables. Thus, the tabulations given in this report provide not only the

basis for those analyses but also a potential source for additional data

analyses.

17. KEY WORDS (six to twelve entries; alphabetical order; capitalize only the first letter of the first key word unless a proper name; separated by semicolons)

Key Works: Blood lead; children; data analysis; housing; lead paint;

lead poisoning; surveys.

18. AVAILABILITY [X Unlimited

C2 For Official Distribution. Do Not Release to NTIS

|

I Order From Sup. of Doc., U.S. Government Printing Office Washington, D.C. 20402, SD Cat. No. Cll

l-y- ! Order From National Technical Information Service (NTIS)

Springfield, Virginia 22151

19. SECURITY CLASS 21. NO. OF PAGES

(THIS REPORT)

UNCL ASSIFIED 189

20. SECURITY CLASS 22. Price (THIS PAGE)

UNCLASSIFIED 47.50

USCOMM-DC 2904 2- P74