2003-2004 QA Results for Tree Variables from 1626 Trees in Northeast
				Percentage of data within tolerance					Number of times data exceeded tolerance
		Variable	Tolerance	@1x	@2x	@3x	@4x		@1x	@2x	@3x	@4x		Records
		DBH	±0.1 /20 in.	95.3%	98.0%	98.3%	98.7%		77	33	27	21		1626
		Azimuth	±10 º	98.8%	99.7%	99.8%	99.8%		20	5	4	4		1626
		Horizontal Distance	±0.2 /1.0 ft	96.4%	98.9%	99.4%	99.6%		59	18	9	6		1626
		Species	No Tolerance	94.5%					89					1626
		Tree Genus	No Tolerance	98.5%					24					1623
		Present Tree Status	No Tolerance	99.4%					8					1314
		Rotten/Missing Cull	±10 %	90.2%	94.6%	96.6%	97.6%		121	67	42	30		1230
		Total Length	±10 %	58.9%	85.3%	95.7%	98.5%		578	207	61	21		1408
		Actual Length	±10 %	62.9%	87.4%	95.5%	98.5%		250	85	30	10		674
		Compacted Crown Ratio	±10 %	70.6%	92.7%	98.3%	99.8%		445	110	26	3		1514
		Uncompacted Crown Ratio	±10 %	79.8%	92.4%	96.6%	99.2%		24	9	4	1		119
		Crown Class	No Tolerance	75.0%					366					1463
		Decay Class	±1 class	100.0%	100.0%	100.0%	100.0%		0	0	0	0		99
		Cause of Death	No Tolerance	72.4%					27					98
		Regional Variables
		Tree History	No Tolerance	99.0%					3					314
		Tree Condition	No Tolerance	94.3%					75					1314
		Bole Height	±4 ft	59.1%	83.0%	93.9%	97.8%		502	209	75	27		1227
		Sawlog Height	±4 ft	50.2%	73.1%	86.9%	95.4%		141	76	37	13		283
		Tree Grade	No Tolerance	70.5%					90					305
		Board-Foot Cull	±10 %	67.5%	83.9%	89.2%	92.1%		99	49	33	24		305
		Board-Foot Sound	±1 class	86.6%	87.9%	88.5%	89.8%		41	37	35	31		305
		Cubic-Foot Cull	±10 %	82.0%	91.6%	95.8%	97.3%		221	103	52	33		1230
		Cubic-Foot Sound	±1 class	87.3%	89.1%	90.5%	91.9%		156	134	117	100		1230
		Tree Class	No Tolerance	90.2%					126					1282