AN006

Properties of Attributes in entity 9 table: Conservative gas tracer releases

Name	Keyfield	Nullable	Type	Domain	Scale	NumType	Range	Precision	Units
DBCODE	N	N	char(5)	enum	nominal
ENTITY	N	N	numeric(2,0)	range	interval	natural	9.-9.		number
SITEID	Y	N	char(8)	place	ordinal
SAMPLEDATE	N	N	datetime	range	datetime		May 14 2003-Feb 23 2006		date as date type
SAMPLEPERIOD	Y	N	char(9)	enum	ordinal
TRACER_GAS	N	N	char(8)	enum	nominal
TRACER_SOLUTE	N	N	char(6)	enum	nominal
RELEASETIME	N	Y	numeric(4,0)	range	ratio	real	-60.-573.		number of minutes of time
DISTANCE_TRACERS	Y	Y	numeric(4,0)	range	ratio	real	-996.-1343.		meters
SPC	N	Y	numeric(6,1)	range	ratio	real	0.8-1207.0		micro siemens per centimeter
TEMPERATURE_STREAM	N	Y	numeric(4,1)	range	ratio	real	10.0-36.0		degrees Celsius
TRACER_SOLUTECONC	N	Y	numeric(9,3)	range	ratio	real	0.000-650.649		milligrams per liter
MEAN_GC_GASVALUES	N	Y	numeric(9,0)	range	ratio	real	0.-143800896.		number
NUMBER_GC_GASVALUES	N	Y	numeric(2,0)	range	ratio	real	0.-12.		number
NOTES	N	Y	varchar(185)	freetext	nominal