000			00496pam a2200145a 44500
082			_aTR _bNBS-72
100			_aParker,W. J.
245	1		_aFIRE ENDURANCE OF GYPSUM BOARD WALLS AND CHASES CONTAINING PLASTIC AND MERALLILC DRAIN, WASTE AND VENT PLUMBING SYSTEMS
260			_a _bU.S. Department Of Commerce, Washington _c1975
300			_a114
440			_aNational Bureau Of Standards Building Science Series _v72
500			_aBound With: Nbs No.71-76
964			_gCIRC
997			_aTR4351 C
999			_c392343 _d392343