TY - RPRT TI - Pilot demonstration of lead based paint hazard elimination methods : report on field study no. 1 AU - Boone, T H AU - Ray, T R AU - Street, W G PY - 1973 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 73-242 DO - 10.6028/NBS.IR.73-242 ER -