TY - RPRT TI - Standard Reference Materials Development of NBS standard reference material no. 1579 powdered lead-based paint AU - Maienthal, E J AU - Rasberry, S D AU - Greifer, B PY - 1973 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-45 DO - 10.6028/NBS.SP.260-45 ER -