#  Begin METADATA documentation
#------------------------------------------------------------------------------------------------------
#  DATASET_NAME: 	camord_cycleII_mixtures_data.txt
#  DATASET_DESCRIPTION:	This data set was used in a report to characterize the Cambrian-Ordovician Aquifer  
#			System as part of the US Geological Survey National Water Quality Assessment Program (NAWQA).
#
#			All water-quality data in this data set are from NAWQA samples collected in
#			Illinois, Iowa, Michigan (U.P.), Minnesota, and Wisconsin
#
#  DATA_SET FORMAT:	Tab-delimited ascii file
#  DATA_SET URL:        http://water.usgs.gov/nawqa-only/aq/data_archive/SIR2011_5229_Data.zip
#
#-------------------------------------------------------------------------------------------------------- 
#  REPORT TITLE: 		Water-quality assessment of the Cambrian-Ordovician aquifer system in the northern
#				Midwest, United States
#  REPORT SERIES/NUMBER:	USGS Scientific Investigation Report (SIR 2011-5229)     
#  REPORT URL:          	http://pubs.usgs.gov/sir/2011/5229/
#
#-------------------------------------------------------------------------------------------------------
#
#  NAWQA STUDY:		Principal Aquifer: Cambrian-Ordovician Aquifer System
#
#-------------------------------------------------------------------------------------------------------
#
#  METADATA DATE:    	January 19, 2011
#  METADATA CONTACT: 	John Wilson
#                    	USGS-WRD, Indiana Water Science Center 
#                    	5957 Lakeside Boulevard
#	 	     	Indianapolis, IN 46278	
#                    	voice: (317) 600-2752
#                    	fax:   (317) 290-3313
#                    	email:  jtwilson@usgs.gov
#
#  SECONDARY CONTACT:   Kelly Warner, Principal Aquifer Lead Scientist for Glacial Aquifer System, Cambrian-
#				      Ordovician Aquifer system, and New England Crystalline Aquifers 
#                    	USGS-WRD, Illinois Water Science Center 
#                       1201 West University Avenue, Suite 100       
#                       Urbana, IL 61801	
#                    	voice: (217) 328-9727
#                    	fax:   (217) 344-0082
#                    	email:  klwarner@usgs.gov
#
# ------------------------------------------------------------------------------------------------------
#  METADATA Data Description:  
#
#   Abstract: This data set contains groundwater data for tabulating unique mixtures of nitrate (> 1 mg/L),
#	      pesticides, and VOCs detected in NAWQA samples (anthropogenic contaminants). Data were retrieved 
#             from the NAWQA Internal Data Warehouse on or about February 19, 2008.
#             The data will be used in a report to characterize the Cambrian-Ordovician Aquifer System as part of the 
#             U.S. Geological Survey, National Water-Quality Assessment Program.
#
#  SUPPLEMENTAL INFORMATION:
#   	PROCEDURES USED:
#	PROCESS STEP:
#
#        The data were originally retrieved from the NAWQA Internal Data Warehouse on or about
#        February 19, 2008. Separate retrievals were used to retrieve nutrients, pesticides, and VOCs.
#	 Data from the different chemical classes were merged by JT Wilson
#	
#
# 	Related_Tabular_Data_Sets:  
#		camord_majors_nutrients.txt
#		camord_cycleII_pesticides.txt
#         	camord_cycleII_vocs.txt
#
#
#	The data set lists detections of nitrate at concentrations > 1 mg/L, and pesticides and VOCs
#	that were detected at any concentration more than once*. A detection is shown by the concentration
#	that was measured and a non-detection is shown by a "0". This data set was used as the input file
#	for Jon Scott's (Oklahoma WSC) program that tabulates unique mixtures of contaminants detected in each sample.
#
#	*If not detected more than once, then any unique mixtures would only occur once, and would not be important
#
#
#	*******************************************************************************************************		
#	*The analysis of mixtures uses the most recent sample collected by NAWQA during cycleII from 2002-2007*
#	*******************************************************************************************************
#
# ------------------------------------------------------------------------------------------------------
#  METADATA Basic documentation of dataset elements:
#
#
#	Data Field Labels:
#
#	staid	
#	p00631	
#	p34496	
#	p34501	
#	p34506	
#	p34030	
#	p34668	
#	p34423	
#	p34371	
#	p77128	
#	p34475	
#	p34010	
#	p39180	
#	p32106	
#	p77093	
#	p85795	
#	p77135	
#	p34546	
#	p39632	
#	p04040	
#	p39415	
#	p04037	
#	p04035	
#
#
#     DATA TYPES: Note:  The row in the data file that follows the row of variable names describes the 
#                 width of the field and the data type. 
#			
#			Code:		Variable Type		Variable Length
#                 ----------------------------------------------------------------			
#			S or s 	text variable		numeric value preceding code 
#           		D or d	date variable		numeric value preceding code
#			N or n	numeric variable	numeric value preceding code
#									 
#                 For example: 15s indicates a 0- to 15-character text variable whereas
#                 9N indicates a 0- to 9-digit numeric variable.
#
#
#     DATA SOURCES: 	NAWQA Internal Data Warehouse: Water quality data used as input for mixtures
#
#	
#---------------------------------------------------------------------------------------------------------
#  METADATA Detailed documentation of dataset elements:
#---------------------------------------------------------------------------------------------------------
#
#       DATA FIELD GROUP:  ANCILLARY WELL INFORMATION
#
#
#       DATA FIELD LABEL:		staid		
#       Data Field Description:		Primary well identifier	
#	Data Field Length/Type:		15S	
#	Data Units:			none	
#       Data Source:			NAWQA Data Warehouse			
#       Retrieval Date:			February 2008 
#		
#
#------------------------------------------------------------------------------------------------------------------
#
#       DATA FIELD GROUP:  WATER QUALITY PARAMETERS, NITRATE, VOLATILE ORGANIC COMPOUNDS, PESTICIDES
#
#	Data Source: USGS/NAWQA Data warehouse
#	RETRIEVAL DATE: February 19, 2008
#	
#
#	
#	Attribute label: pnnnnn (All variables of the form pnnnnn, where nnnnn is the 5-digit parameter
#                         code used to identify variables in the USGS National Water Information System)	
#	
#	Attribute description: Result of chemical analysis, where 0 = non-detection
#       Source: NAWQA Data Warehouse water-quality data retrieval
#	
#       Attribute subdescription: Parameter codes, schedule, names, Chemical Abstract Services (CAS) Registry Number
#	(CASRN)*,and units of measurement	
#	
#	*CAS Registry Number is a registered trademark of the American Chemical Society. CAS recommends the verification
#	of the CASRNs through CAS Client Services.
#
#	mg/L = milligrams per liter; ug/L = micrograms per liter
#
#                                   
#       PARAMETER			
#         CODE		SCHEDULE*	NAME					CAS Number		UNITS			
# ------------------------------------------------------------------------------------------------------------
#	p00631		2755		nitrite + nitrate, as N ("nitrate")				mg/L				
#	p34496		2020		1_1-Dichloroethane			75-34-3			ug/L				
#	p34501		2020		1_1-Dichloroethene			75-35-4			ug/L
#	p34506		2020		1,1,1-Trichloroethane (TCA)		71-55-6			ug/L
#	p34030		2020		Benzene					71-43-2			ug/L
#	p34668		2020		Dichlorodifluoromethane (CFC-12)	75-71-8			ug/L
#	p34423		2020		Dichloromethane				75-09-2			ug/L
#	p34371		2020		Ethylbenzene				100-41-4		ug/L
#	p77128		2020		Styrene					100-42-5		ug/L
#	p34475		2020		Tetrachloroethene (PCE)			127-18-4		ug/L
#	p34010		2020		Toluene					108-88-3		ug/L
#	p39180		2020		Trichloroethene (TCE)			79-01-6			ug/L
#	p32106		2020		Chloroform (Trichloromethane)		67-66-3			ug/L
#	p77093		2020		cis-1,2-Dichloroethene			156-59-2		ug/L
#	p85795		2020		m- + p-Xylene				108-38-3/106-42-3	ug/L
#	p77135		2020		o-Xylene				95-47-6			ug/L
#	p34546		2020		trans-1,2-Dichloroethene		156-60-5		ug/L
#	p39632		2010		Atrazine				1912-24-9		ug/L	
#	p04040		2010		Deethylatrazine				6190-65-4		ug/L	
#	p39415		2010		Metolachlor				51218-45-2		ug/L	
#	p04037		2010		Prometon				1610-18-0		ug/L	
#	p04035		2010		Simazine				122-34-9		ug/L	
#
#	*Schedule 2010 compounds are also included in schedule 2033
#----------------------------------------------------------------------------------------------------------------
# NOTE: Columns are separated by tabs. If you open file in an ascii reading program, the columns might not align
#       correctly. Be sure to use 'tab delimited' when importing data file into spreadsheet-style programs. 
#-----------------------------------------------------------------------------------------------------------------
#                         
#
#  End METADATA documentation
#
#  BEGIN DATA: camord_cycleII_mixtures_data.txt
# ------------------------------------------------------------------------------------------------------
staid	p00631	p34496	p34501	p34506	p34030	p34668	p34423	p34371	p77128	p34475	p34010	p39180	p32106	p77093	p85795	p77135	p34546	p39632	p04040	p39415	p04037	p04035
15S	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N	9N
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412832095132701	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
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415329093361002	0	0	0	0	0	0	0	0	0	0	0.03	0	0	0	0	0	0	0	0	0	0	0
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422339094375102	0	0	0	0	0	0	0.205	0	0	0	0.261	0	1.943	0	0	0	0	0	0	0	0	0
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445919092500101	3.38	0	0	0	0	0	0	0	0	0	0	0.508	0	0	0	0	0	0.011	0.022	0	0	0
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450635092302201	11.78	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.619	0.451	0.008	0	0.005
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