ug/g
microgram per gram
ug/ft2
microgram per foot square (dust sampling)
mg/cm2
milligrams per centimeter squared (XRF)
ug/dL
microgram per deci-liter
ug/m3
microgram per deci-liter (quantity in blood)
1%
10,000 ppm
Allowed quantity of lead in dry surface paint when testing with XRF.
1.0 mg/cm2
Allowed quantity of lead in dry surface paint when testing with paint chip
5000 ppm
Allowed quantity of lead in dry surface paint by weight
.5% = 5000ppm
Lead Quantities for Dust Clearance from floors/carpet
40 ug/ft2
Lead Quantities for Dust Clearance from furniture
40 ug/ft2
Lead Quantities for Dust Clearance from window sills
250 ug/ft2
Lead Quantities for Dust Clearance from window wells
400 ug/ft2
Lead Quantities for Dust Clearance from outside concrete
800 ug/ft2
Lead Quantities for Soil Clearance in contact areas
400 ppm
Lead Quantities for Soil Clearance in non-contact areas
1200 ppm
Allowable lead quantity in water
15 ppb/liter, or 15 mgL
Lead blood level of concern for children
5 ug/dL
NIOSH Lead blood level of concern
25 ug/dL
OSHA employee lead blood level of concern
40 ug/dL
OSHA medical removal lead blood level
50 ug/d?
Lead Paint 1978 level allowed
.06%; 600 ppm
Current level lead allowed in paint
, .009%; 90 ppm
Lead Paint allowed in all other consumer products
.01%; 100 ppm
Hazardous Waste Toxic Characteristic Leaching Procedure (TCLP)
5 ppm
The use of lead based paint exceeding .06% was banned
in 1978 for residential housing.
T/F the concentration of lead paint in deteriorating housing must be greater than
1 mg/cm2 by XRF to pose a threat to workers doing renovation or abatement
practices.
False
Title X does not apply to;
bridges and steel structure; hotels and motels rented less than 100 days and
commercial complexes.
What is the primary objective of a Lead Paint Risk Assessment?
to discover lead hazards
What is the primary objective of a Lead Paint Inspection?
to discover lead paint
TSCA Title IV, Section 402/404 Rule directed EPA to;
develop training and certification requirements for lead professionals. Individuals
performing inspections and risk assessments for lead hazards must be certified through
the EPA accredited program
T/F EPA's debris rule advises contractors that lead waste generated during
renovation and remodeling of residential housing is now waived from RCRA's
rule and can be disposed of as municipal waste
True
T/F OSHA established the standard for the worker's permissible exposure limit,
action limit, and exposure time while abating lead
True
T/F Section 1012/1013 within Title X are sections referring to HUD rules
True
Y/N Are lead inspections mandatory in pre 1978 housing?
No
A lead inspection is a
surface by surface investigation for lead based paint.
Two most common ways for lead to enter the body?
ingestion and inhalation
What body system is most affected by lead poisoning?
the nervous system
The set of measures designed to permanently eliminate lead-based paint hazards
for at least 20 years?
abatement
T/F there is no established time frame for abatement of lead based paint in
housing. However, all lead-based paint hazards must be abated from a target
house when the project is funded in the amount of $25,000 or more through HUD
True