*********************************************************
This file documents a history of modifications to the 
schema and schematron files for the WQX project
(previously known as OWWQX).
*********************************************************

**CHANGES PRIOR TO 1/5/2005**

1. OWWQX_SimpleContent_v1.0.xsd  file --> added minlength = 1 to OrganizationFormalName
2. OWWQX_ElectronicAddress_v1.0.xsd  file --> minoccur and maxoccur move to after element ref
3. OWWQX_MonitoringLocationGeospatial_v1.0.xsd file --> added minOccurs = 0 to SourceMapScaleNumber
4. OWWQX_FieldSamplePreparation_v1.0.xsd  file --> changed minoccurs = 1 for FieldSampleSubsampleDescription

**CHANGES MADE FOR 1/11/2005 version**

1. OWWQX_SimpleContent_v1.0.xsd --> Removed element and data type for:
     OrganizationTypeCode
     AccreditationIndicator 
2. OWWQX_OrganizationDescription_v1.0.xsd --> removed OrganizationTypeCode 
3. OWWQX_SimpleContent_v1.0.xsd --> Added maxlength facet
     ElectronicAddressTypeNameDataType
     TelephoneNUmberTypeNameDataType
     TelephoneExtensionNumberTextDataType
     AddressTypeNameDataType
     StateCodeDataType
     AddressPostalCodeDataType(Temp)
     CountryCodeDataType
     CountyCodeDataType
     TribalCodeDataType
     BinaryObjectFileTypeCodeDataType
     MonitoringLocationTypeNameDataType
     HorizontalCollectionMethodCodeDataType
     HorizontalReferenceDatumCodeDataType
     MeasureUnitCodeDataType
     VerticalCollectionMethodCodeDataType
     VerticalReferenceDatumCodeDataType
     ActivityTypeCodeDataType
     ActivityMediaTextDataType
     ActivityMediaSubdivisionTextDataType
     SampleTissueTaxonomicNameDataType
     SampleTissueAnatomyNameDataType
     SampleCollectionEquipmentCodeDataType
     SampleHoldingContainerMaterialCodeDataType
     SampleHoldingContainerColorCodeDataType
     SamplePreservationThermalCodeDataType
     PortableDataLoggerLineNameDataType
     ResultSampleFractionTextDataType
     ResultStatusTextDataType
     ResultStatisticalBaseCodeDataType
     ResultValueTypeNameDataType
     ResultWeightBasisTextDataType
     ResultTimeBasisTextDataType
     ResultTemperatureBasisTextDataType
     ResultParticleSizeBasisTextDataType
     MethodIdentifierCodeListIdentifierDataType (temp)
     DetectionQuantitationLevelTypeNameDataType
4. OWWQX_SimpleContent_v1.0.xsd --> Removed more enumerations for
     ElectronicAddressTypeNameDataType
     TelephoneNUmberTypeNameDataType
     HorizontalReferenceDatumCodeDataType
     VerticalReferenceDatumCodeDataType
     ResultStatusTextDataType
5. OWWQX_SimpleContent_v1.0.xsd --> Added element and data type for ProjectDescriptionText
6. OWWQX_Project_v1.0.xsd --> Added ProjectDescriptionText
7. OWWQX_Project_v1.0.xsd --> Modified minOccurs = 0 for AttachedBinaryObject
8. OWWQX_SimpleContent_v1.0.xsd --> Removed static enumeration HorizontalCollectionMethodCodeDataType
9. OWWQX_SimpleContent_v1.0.xsd --> Changes datatype of ActivityConductingOrganizationIdentifier to OrganizationIdentifierDataType
10. OWWQX_SimpleContent_v1.0.xsd --> ActivityConductingOrganizationIdentifier moved to OWWQX_ActivityDescription_v1.0.xsd file
11. OWWQX_SimpleContent_v1.0.xsd --> Modified maxlength of:
     CommentDataType
     CharacteristicNameDataType
12. OWWQX_FieldSamplePreparation_v1.0.xsd --> made FieldSampleSubsampleDescription optional
13. OWWQX_ResultDescription_v1.0.xsd --> changed sequence of elements
14. OWWQX_ResultInformation_v1.0.xsd --> Changed name to ref.
15. OWWQX_ResultInformation_v1.0.xsd --> Changed reference to ResultLaboratoryCommentCode
16. OWWQX_Result_v1.0.xsd --> made ResultAnalyticalMethod element global
17. Rename MeasurePrecisionText to ResultValueMeasurePrecisionText


**CHANGES MADE FOR 2/8/2005 version**
1. Schematron: added 2 new rules requiring top and bottom depth when vertical profile sampling activity
2. Schematron: added 2 new rules requiring SampleTissueAnatomyName and SampleTissueTaxonomicName for Biological Tissue samples
3. Removed 'Detected and Quantified' from enumeration list for ResultDetectionConditionText
4. Schematron: added rules requiring DetectionQuantitationLevelTypeName if ResultDetectionConditionText is Present Above Quantification Limit, Present Below Quantification Limit, or Not Detected
5. Annotation for OWWQX_OWWQX_v1.0.xsd updated
6. OWWQX_Activity_v1.0.xsd --> Reordered includes
7. OWWQX_ActivityDescription_v1.0.xsd --> reordered global element definitions
8. Schematron: added new rule requiring DetectionQuantitationLevelMeasure if ResultDetectionConditionText is Not Detected
9. OWWQX_ElectronicAddress_v1.0.xsd --> maxOccurs = 1 was not needed and was removed.
10. OWWQX_ActivityLocation_v1.0.xsd --> minOccurs changed to 0 for all elements in this schema
11. OWWQX_LabSamplePreparation_v1.0.xsd --> minOccurs =0 removed for LabSamplePreparationMethod
12. OWWQX_MonitoringLocation_v1.0.xsd --> annotation updated
13. OWWQX_Organization_v1.0.xsd --> project minOccur = 0 removed
14. OWWQX_OrganizationDescription_v1.0.xsd --> minOccurs =1 removed
15. OWWQX_ResultDescription_v1.0.xsd  --> minOccurs = 0 added for Characteristic name
16. schematron: rules output meesages modified in some cases to provide reported Activity Type

**CHANGES MADE FOR 6/24/2005 version**
1. OWWQX_ActivityDescription_v1.0.xsd --> changed ActivityConductingOrganizationIdentifier to ActivityConductingOrganizationText and changed reference to new element.
2. OWWQX_SimpleContent_v1.0.xsd --> added new ActivityConductingOrganizationText element
3. OWWQX_FieldSampleSubsampleDescription_v1.0.xsd --> Removed SubsampleAssignmentProjectIdentifier
4. OWWQX_ResultDescription_v1.0.xsd --> Added new element SubsampleIdentifier
5. Move the SubSampleIdentifier element definition from the OWWQX_FieldSampleSubsampleDescription_v1.0.xsd  file to the OWWQX_SimpleContent_v1.0.xsd file (since it is now referenced multiple times)
6. Schematron: rule requiring subsampleprojectidentifier removed
7. Schematron: rule requiring binaryobjectcontent removed to allow for external reporting of attachments

**CHANGES MADE FOR 8/8/2005 version**
1. Updated the contact name in all files to Joe Wilson

**CHANGES MADE FOR 8/15/2005 version**
1. Updated the namespace to use url convention instead of urn convention
2. Created root xsd file

**CHANGES MADE FOR 9/15/2005 version**
1. Renamed OWWQX_FieldSamplePreparation_v1.0.xsd to OWWQX_SamplePreparation_v1.0.xsd (and data elements within)
2. Simple Content File: Renamed FieldSamplePreparationMethod to SamplePreparationMethod; also tweaked definition accordingly
3. Renamed FieldSampleSubsampleDescription to SampleSubsampleDescription (and data elements within)
4. Moved elements from SampleDescription to SamplePreparation

**CHANGES MADE FOR 10/03/2005 version**
1. OWWQX_OWWQX_v1.0.xsd --> Modified Organization element to have maxoccurs=1 instead of unbounded
2. OWWQX_SampleDescription_v1.0.xsd --> Removed minoccurs=0 from SamplePreparation element
3. Simple Content File: added minlength=1 to further restrict following data types:
   - ActivityMediaTextDataType
   - ActivityTypeCode
   - BinaryObjectFileNameDataType
   - BinaryObjectFileTypeCodeDataType
   - CountryCodeDataType
   - HorizontalCollectionMethodCodeDataType
   - HorizontalReferenceDatumCodeDataType
   - MonitoringLocationIdentifierTempDataType
   - MonitoringLocationNameDataType
   - MonitoringLocationTypeNameDataType
   - OrganizationIdentifierDataType
   - ProjectIdentifierDataType
   - ProjectNameDataType
   - SampleCollectionMethodTextDataType
   - SampleHoldingContainerColorCodeDataType
   - SampleHoldingContainerMaterialCodeDataType
   - SamplePreparationMethodTextDataType
   - SamplePreservationChemicalTextDataType
   - SamplePreservationThermalCodeDataType
   - SampleTransportStorageDescriptionDataType
4. Made Latitude, Longitude, HorizontalCollectioNMethodCode, and HorzontalReferenceDatumCode required (minoccurs=1) *if they are reported* at the activity level.
5. Changed SampleTissueTaxonomicName and SampleTissueAnatomyName to minoccurs=0 (since not always required)

**CHANGES MADE FOR 10/13/2005 version**
1. OWWQX_SimpleContent_v1.0.xsd --> changed ProjectIdentifierDataType maxlength to 35 characters.
2. OWWQX_MOnitoringLocationGeospatial_v1.0.xsd --> made CountryCode optional
3. OWWQX_SimpleContent_v1.0.xsd --> removed minlength=1 for CountryCodeDataType  
4. Schematron: removed rules 17-20 that test for State and Country codes.
5. Schematron: removed rules 36-40 that are redundant with recent schema modifications
6. Schematron: removed rules 45-50 that are redundant with recent schema modifications

**CHANGES MADE FOR 11/30/2005 version**
1. OWWQX_SimpleContent_v1.0.xsd --> changed ActivityType maxlength to 70 characters.

***************************************
** CHANGES MADE FOR 5/8/2006 version **
***************************************
1. All files --> changed target namespace and owwqx namespace to http://exchangenetwork.net/schema/owwqx/1 to reflect latest Exchange Network Design Rules & Conventions
2. All files --> removed references to SC namespace if they existed
3. OWWQX_SimpleContent_v1.0.xsd --> 
      - ProjectDescriptionText element definition updated to: "Project description, which may include a description of the project purpose, summary of the objectives, or brief summary of the results of the project."
      - Deleted BinaryObjectContent element and data type
      - Updated element and type SourceMapScaleNumber to SourceMapScaleNumeric
      - Updated element, type, and definition HorizontalCollectioMethodCode to HorizontalCollectionMethodName
      - Updated element, type, and definition HorizontalReferenceDatumCode to HorizontalCoordinateReferenceSystemDatumName
      - Addition of ResultQualifierCode element and type
      - Updated element, type, and definition VerticalCollectioMethodCode to VerticalCollectionMethodName
      - Updated element, type, and definition VerticalReferenceDatumCode to VerticalCoordinateReferenceSystemDatumName
      - Increased ActivityIdentifierDataType from 25 string to 35 string
      - Changed ActivityMediaText to ActivityMediaName 
      - Changed ActivityMediaSubdivisionText to ActivityMediaSubdivisionName
      - Deleted SubSampleIdentifier element
      - Added new ActivityGroupTypeCode element and type
      - Updated element, type, and definition of SampleContainerTypeName, SampleContainerColorName, ChemicalPreservativeUsedName, and ThermalPreservativeUsedName
      - Modified element name of DataLoggerLineName
      -Modified element name and type from ResultStatusText to ResultStatusIdentifier
      - Modified element name and type from ResultStatisticalBaseCOde to StatisticalBaseCode
      - Renamed ResultValueMeasurePrecisionText to PrecisionValue
      - Renamed ResultBiasText element to BiasValue
      - Added new elements --> ConfidenceIntervalValue, UpperConfidenceLimitValue, LowerConfidenceLimitValue
      - Updated element name and type from MethodIdentifierCode to MethodIdentifier
      - Updated element name, type and definition from MethodIdentifierCodeListIdentifer to MethodIdentifierContext
      - Split AnalysisDate and Time into Start and End
      - Updated element name to DetectionQuantitationLimitTypeNameDataType
      - Split LabSamplePreparation date and time into Start and End
4. OWWQX_AttachedBinaryObject_v1.0.xsd --> removed BinaryObjectContent element
5. OWWQX_MonitoringLocationGeospatial_v1.0.xsd --> 
      - Updated element SourceMapScaleNumber to SourceMapScaleNumeric
      - Updated element HorizontalCollectioMethodCode to HorizontalCollectionMethodName
      - Updated element HorizontalReferenceDatumCode to HorizontalCoordinateReferenceSystemDatumName
      - Modified so vertical measure uses reusable block
      - Updated element VerticalCollectioMethodCode to VerticalCollectionMethodName
      - Updated element VerticalReferenceDatumCode to VerticalCoordinateReferenceSystemDatumName
6. OWWQX_ActivityLocation_v1.0.xsd --> 
      - Updated element SourceMapScaleNumber to SourceMapScaleNumeric
      - Updated element HorizontalCollectioMethodCode to HorizontalCollectionMethodName
      - Updated element HorizontalReferenceDatumCode to HorizontalCoordinateReferenceSystemDatumName
7. Created new file: OWWQX_Measure_v1.0.xsd
8. OWWQX_ActivityDescription_v1.0.xsd --> 
      - Changed ActivityMediaText to ActivityMediaName
      - Changed ActivityMediaSubdivisionText to ActivityMediaSubdivisionName    
      - Changed all Depth measure fields to reference measure block and use term 'Height' instead of altitude.
9. OWWQX_Organization_v1.0.xsd : added Activity
10. OWWQX_MonitoringLocation_V1.0.xsd: removed Activity
11. OWWQX_ActivityDescription_v1.0.xsd: add MonitoringLocationIdentifier element
12. OWWQX_SamplePreparation_V1.0.xsd --> Removed SubSample information
13. OWWQX_SampleSubSampleDescription_V1.0.xsd --> removed file
14. OWWQX_ResultDescription_V1.0.xsd --> 
       - Removed SubsampleIdentifier element
       - Modified element name of DataLoggerLineName
       - Modify to reference Measure block (also remove Unit Code element)
       - Modify element name of ResultStatusIdentifier
       - Modify element name of StatisticalBaseCode
       - Removed reference to elements Precision and Bias and replaced with new DataQuality block
15. OOWQX_ActivityGroup_V1.0.xsd --> new file created
16. OWWQX_SamplePreparation_v1.0.xsd --> modified names for SampleContainerTypeName, SampleContainerColorName, ChemicalPreservativeUsedName, and ThermalPreservativeUsedName
17. Created new file: OWWQX_DataQualityIndicator_v1.0.xsd
18. OWWQX_ReferenceMethod_v1.0.xsd --> Updated reference to elements MethodIdentifier and MethodIdentifierContext
19. OWWQX_ResultLabInformation_v1.0.xsd --> 
       - split out analysis date and time to start and end
       - Update reference to DetectionLimit instead of DetectionLevel
20. OWWQX_DetectionQuantitationLimit_v1.0.xsd --> 
       - Updated file name and all text within to say Limit instead of Level
       - Reference Measure block
21. OWWQX_LabSample_preparation_v1.0.xsd --> 
       - Split sample preparation date and time into start and end
       - Updated SamplePreparationMethod to harmonize with ESAR term and definition.
22. OWWQX_SampleDescription_V1.0.xsd --> changed SamplePreparation to be optional.


****************************************
** CHANGES MADE FOR 5/25/2006 version **
****************************************
1. Moved ActivityGroup from Activity to Organization level
2. Made modifications to definition of ActivityGroup complex type
3. OWWQX_SimpleContent_v1.0.xsd --> 
        - new elements for ActivityGroupIdentifier and ActivityGroupName
        - new elements for MethodQualifierType and MethodDescriptionText
        - modified definition for ActivityIdentifier
        - Changed SampleCollectionEquipmentCode to SampleCollectionEquipmentName 
        - Changed maxlength of ConfidenceIntervalValue from 60 to 15
        - Changed maxlength of UpperConfidenceIntervalValue from 60 to 15      
        - Changed maxlength of LowerConfidenceIntervalValue from 60 to 15
        - Changed maxlength of ActivityGroupTypeCode from 70 to 50
        - Changed maxlength of MeasureQualifierCode from 25 to 5
4. OWWQX_ReferenceMethod_v1.0.xsd --> 
        - Made modifications to definition of ReferenceMethod complex type
        - Made MethodIdentifier and MethodIdentifierContext required
5. OWWQX_SamplePreparation_v1.0.xsd --> modified to reference method block
6. OWWQX_SampleDescriptionV1.0.xsd --> 
        - modified SampleCollectionMethodText to reference reusable method block
	- changed SamplePreparation to no longer be unbounded
7. OWWQX_MonitoringLocation_Deletev1.0.xsd --> removed file (no longer needed)
8. OWWQX_Organization_Deletev1.0.xsd --> modified structure based on new schema structure


****************************************
** CHANGES MADE FOR 5/31/2006 version **
****************************************
1. Did a complete replace of the text 'OWWQX' with the text 'WQX' (including file names)
2. Changed schema contact


****************************************
** CHANGES MADE FOR 8/9/2006 version **
****************************************
1. Added 8 and 12 digit HUC Code
2. Added ActivityRelativeDepthName
3. Created new file WQX_WQX_Time.xsd
4. Added TimeZone for all time elements
5. Removed optional Context attribute from PostalCode and MonitoringLocationIdentifier
6. Created new file WQX_AlternateMonitoringLocation and added AlternateMonitoringLocationIdentity
7. Added new element: SampleCollectionEquipmentCOmmentText
8. Changed LocationAddressText to AddressText
9. CHanged AddressPostalCode to PostalCode
10. Removed element ActivityAssignmentProjectIdentifier and replaced with reference to ProjectIdentifier
11. Move tribal code to Organization Description
12. New elements TribalLandIndicator and TribalLandName
13. Added new elements ResultDepthAltitudeReferencePointText and ResultDepthHeightMeasure to the Result block.

****************************************
** CHANGES MADE FOR 8/17/2006 version **
****************************************
1. Changed order for Monitoring Location Identity to have AlternateMonitoringLocationIdentity last 
2. Made MeasureValue and MeasureUnitCode required if reported in WQX_MeasureCompact_v1.0.xsd
3. Increased TimeZoneCode to max length 4

****************************************
** CHANGES MADE FOR 8/30/2006 version **
****************************************
1. Changed Result's ValueMeasure to custom type ResultValueMeasure 
2. Global change of namespace from http://exchangenetwork.net/schema/wqx/1 to http://www.exchangenetwork.net/schema/wqx/1

****************************************
** CHANGES MADE FOR 9/13/2006 version **
***************************************
1. Created new ResultAnalyticalMethod complex type and modified Result block to reference this new type for Analysis Method.
2. Modified index.xsd to reflect repository storage relative paths

****************************************
** CHANGES MADE FOR 10/12/2006 version **
***************************************
1. Added new ResultCount element to SimpleContect and WQX_Activity files. 
2. New schema files for Transaction History outbound (WQX_TransactionHistory_v1.0.xsd and WQX_OutboundSimpleContent_v1.0.xsd)
3. New schema file for Domain values (WQX_DomainValues_v1.0.xsd)
4. Index.xsd modified to include 2 new root-level schemas 

****************************************
** CHANGES MADE FOR 10/17/2006 version **
***************************************
1. Changed ChemicalPreservativeUsedName and ThermalPreservativeUsedName to optional (minoccurs=0)
2. Removed minlength=1 facet restriction from ChemicalPreservativeUsedName and ThermalPreservativeUsedName

****************************************
** CHANGES MADE FOR 1/19/2007 version **
***************************************
1. Changed Transaction history end date and end time to optional (minoccurs=0)



______________________________________________________________________________
                           MOVE TO VERSION 2
______________________________________________________________________________


****************************************
** CHANGES MADE FOR 5/1/2007 version **
***************************************
1. Modified namespace of all files from 1 to 2 and all file names from 1.0 to 2.0
2. All other modifications to support habitat/bio

****************************************
** CHANGES MADE FOR 5/9/2007 version **
***************************************
1. Increased size to following:
     BiologicalActivityIntentName (35)
     HabitName (15)
     VoltinismName (25)

****************************************
** CHANGES MADE FOR 5/17/2007 version **
***************************************
1. Drop SubjectTaxonomicName and UnidentifiedSpeciesIdentifier from the Activity Level
2. Move BiologicalActivityIntentName to the Result level (renamed as BiologicalIntentName)
3. Move SampleTissueAnatomyName to the Result level. 
4. Added "BiologicalResultDescription" group with BiologicalIntentName and SubjectTaxonomicName required
5. Dropped: CharacteristicNameContext, CharacteristicDescriptionText, CharacteristicResultScaleText
6. Moved FrequencyClassInformation and TaxonomicDetails to be part of BiologicalResultDescription block

****************************************
** CHANGES MADE FOR 6/7/2007 version **
***************************************
1. Moved ProjectMonitoringLocationWeighting from Organization to Project level

****************************************
** CHANGES MADE FOR 11/20/2007 version     **
****************************************

1. Index: 
   - Move ActivityIndex from Activity level to Organization level
   - Rename to BiologicalHabitatIndex
   - Remove direct child of ActivityMetric
   - Add IndexIdentifier, MonitoringLocationIdentifier, IndexCommentText, IndexQualifierCode
   - Update some definitions
2. Metric:
   - Move ActivityMetric to be direct child of Activity
   - Add IndexIdentifier, MetricCommentText, MetricValueMeasure
3. TotalSampleWeightMeasure removed from SampleDescription block
4. Wells: Addition of new WellInformation block at Monitoring Location level 
5. Citation: new block added to Index, Metric, TaxonomicDetails, ReferenceLocation
6. NetInformation: 
   - Renamed from NetTowInformation
   - Additional elements added
7. UnidentifiedSpeciesIdentifier: field length increased and definition modified.
8. ReferenceLocation changes:
   - ReferenceLocationStartDate and ReferenceLocationEndDate elements added
   - ReferenceLocationIndicator changed to ReferenceLocationTypeCode (and definition modified)
9. Added HorizontalAccuracyMeasure to MonitoringLocationGeospatial block
10. Added MethodSpeciationName element to ResultDescription block
11. Laboratory: added 4 accreditation elements
12. Business Rule only: Addition of business rule for BiologicalIntentName for Tissue sampling
13. Added TaxonomicPollutionToleranceScaleText
14. Added ToxicityTestType to BiologicalActivityDescription


***************************************************
** CHANGES MADE FOR 2/7/2008 - 3/6/2008 versions **
***************************************************

1. ActivityMetric: Several changes to structure and definition of ActivityMetric block
2. BiologicalHabitatIndex: Several changes to structure and definition of BiologicalHabitatIndex block
3. Change LocationStratumName to StatisticalStratumText and modified definition
4. TaxonomicDetailsCitation: Change Business Rule � allow 0 to 3 instances per result
5. New element: SubstanceDilutionFactorNumeric
6. Electrofishing: Several changes to structure and definition of Electrofishing block (now called BiologicalHabitatCollectionInformation)
7. Added 2 QAPP related elements to Project block
8. Clean up to data dictionary.
9. Moved BiologicalHabitatIndex block to between MonitoringLocation and Activity blocks.

****************************************************
** CHANGES MADE FOR 3/28/2008 - 4/4/2008 versions **
****************************************************
1. Added new GroupSummaryCountWeight element in BiologicalResultDescription block
2. Modify latitude / longitude precision to 12 and 14 respectively
3. Increase the allowable length for VerticalCoordinateReferenceSystemDatumName to string max 10
4. Remove in-schema enumerations for:
        AddressTypeName, ElectronicAddressTypeName, ResultDetectionConditionText, ResultStatusIdentifier, TelephoneNumberTypeName
5. Added HorizontalAccuracyMeasure to Activity Location block
6. Change FrequencyClassInformation maxOccurs from unbounded to 3
7. Change TaxonomicDetailsCitation maxOccurs to 1
8. Change FunctionalFeedingGroup maxOccurs to 3
9. Changed TransactionIdentifier minOccurs to 0 in outbound WQX_TransactionHistory_v2.0.xsd
10. Several business rule changes
11. Change HabitName maxOccurs to 3
12. Increased NetTypeName maxLength from 18 to 30
13. Increased ResultValueTypeName maxLength from 12 to 20

*********************************************
** CHANGES MADE FOR 6/4/2008 version       **
*********************************************
1. Added new ResultSamplingPointName element in ResultDescription block

*********************************************
** CHANGES MADE FOR 6/27/2008 version 2.1  **
*********************************************
1. Changed WQX version attribute in all schema files from 1 to 2

*********************************************
** CHANGES MADE FOR 11/30/2009 version 2.1 **
*********************************************
1. Created a new "1" subdirectory for the new version 2.1 schema
2. Updated the index.xsd to reference the new version 2.1 schema files
3. Increased ResourceSubjectText maxlength from 500 to 4000
4. Increased MonitoringLocationDescriptionText maxlength from 1999 to 4000
5. Increased ProjectDescriptionText maxlength from 1999 to 4000
6. Increased ResultParticleSizeBasisText maxlength from 15 to 40
7. Increased MethodDescriptionText maxlength from 500 to 4000
8. Increased SampleTransportStorageDescription maxlength from 250 to 1999
9. Clean up to data dictionary

*********************************************
** CHANGES MADE FOR 07/19/2016 version 2.2 **
*********************************************
1. Increased ActivityIdentifier maxLength from 35 to 55
2. Increased ActivityMediaSubdivisionName maxLength from 45 to 60
3. Increased ActivityRelativeDepthName maxLength from 15 to 30
4. Increased NetTypeName maxLength from 30 to 60
5. Increased SampleCollectionEquipmentName maxLength from 40 to 60
6. Increased SampleContainerColorName maxLength from 15 to 35
7. Increased SampleContainerTypeName maxLength from 35 to 80
8. Increased SampleTissueAnatomyName maxLength from 30 to 50
9. Increased SamplingComponentName maxLength from 15 to 35
10. Increased ThermalPreservativeUsedName maxLength from 30 to 100
11. Increased ActivityGroupIdentifier maxLength from 35 to 55
12. Increased FormulaDescriptionText maxLength from 50 to 4000
13. Increased MeasureValue maxLength from 12 to 60
14. Increased MetricScoreNumeric maxLength from 10 to 60
15. Increased MetricTypeIdentifier maxLength from 35 to 50
16. Increased MetricTypeName maxLength from 50 to 100
17. Increased IndexIdentifier maxLength from 35 to 55
18. Increased IndexScoreNumeric maxLength from 10 to 60
19. Increased IndexTypeIdentifier maxLength from 35 to 50
20. Increased IndexTypeName maxLength from 50 to 100
21. Increased BiologicalIndividualIdentifier maxLength from 4 to 12
22. Increased DataLoggerLineName maxLength from 15 to 35
23. Increased ResultSamplingPointName maxLength from 12 to 35
24. Increased ResultWeightBasisText maxLength from 15 to 35

*********************************************
** CHANGES MADE FOR 10/05/2016 version 2.2 **
*********************************************
1. Increased MeasureQualifierCode maxLength from 5 to 35
2. Changed DetectionQuantitationLimitMeasure to minOccurs="1" (rather than minOccurs="0")
3. Changed DetectionQuantitationLimitTypeName to minOccurs="1"

*********************************************
** CHANGES MADE FOR 12/10/2018 version 2.2 **
*********************************************
1. Increased MethodIdentifier maxLength from 30 to 35
2. Increased BiologicalIndividualIdentifier maxLength from 12 to 60
3. Increased ConfidenceIntervalValue maxLength from 15 to 60
4. Increased LowerConfidenceLimitValue maxLength from 15 to 60
5. Increased LowerClassBoundValue maxLength from 8 to 60
6. Increased OrganizationIdentifier maxLength from 30 to 35
7. Increased ResultWeightBasisText maxLength from 35 to 60
8. Increased SubstanceDilutionFactorNumeric maxLength from 10 to 60
9. Increased UpperConfidenceLimitValue maxLength from 15 to 60
10. Increased UpperClassBoundValue maxLength from 8 to 60

*********************************************
** CHANGES MADE FOR 12/12/2018 version 2.2 **
*********************************************
1. Increased OrganizationFormalName maxLength from 120 to 255
2. Increased ProjectName maxLength from 120 to 255
3. Increased UnidentifiedSpeciesIdentifier maxLength from 120 to 255

*********************************************
** CHANGES MADE FOR 12/30/2018 version 2.2 **
*********************************************
1. Increased DataLoggerLineName maxLength from 35 to 60
2. Increased ResultSamplingPointName maxLength from 35 to 120
3. Increased SamplingComponentName maxLength from 35 to 120
4. Increased SubjectTaxonomicName maxLength from 120 to 255
5. Increased TribalLandName maxLength from 200 to 512

*********************************************
** CHANGES MADE FOR 03/1/2019 version 2.2 **
*********************************************
1. Increase MeasureValue maxLength from 12 to 60
2. Increased MethodIdentifier maxLength from 20 to 35
3. Increased MethodName maxLength from 120 to 250
4. Increased MonitoringLocationIdentifier maxLength from 35 to 55
5. Refactored PassCount data type from nonNegativeInteger to string maxLength 60
6. Refactored SamplingComponentPlaceInSeriesNumeric data type from nonNegativeInteger to string maxLength 60
7. Refactored SourceMapScaleNumeric data type from nonNegativeInteger to string maxLength 60

*********************************************
** CHANGES MADE FOR 05/13/2019 version 2.2 **
*********************************************
1. Increased ActivityGroupName maxLength from 50 to 120
2. Increased SampleContainerColorName maxLength from 35 to 60
3. Increased SampleContainerTypeName maxLength from 35 to 60
4. Increased ThermalPreservativeUsedName maxLength from 100 to 250

*********************************************
** CHANGES MADE FOR 07/17/2019 version 2.2 **
*********************************************
1. Increased FunctionalFeedingGroupName maxLength from 6 to 30
2. Increased TaxonomicPollutionTolerance maxLength from 4 to 30
3. Increased ToxicityTestType maxLength from 7 to 30
4. Increased TrophicLevelName maxLength from 4 to 30 

*********************************************
** CHANGES MADE FOR 08/13/2019 version 2.2 **
*********************************************
1. Increased ProjectName maxLength from 255 to 512

*********************************************
** CHANGES MADE FOR 08/28/2019 version 2.2 **
*********************************************
1. Increased AquiferName maxLength from 120 to 255

*********************************************
** CHANGES MADE FOR 08/29/2019 version 2.2 **
*********************************************
1. Increased CharacteristicName maxLength from 120 to 255

*********************************************
** CHANGES MADE FOR 09/30/2019 version 2.2 **
*********************************************
1. Changed index version to 2.2

*********************************************
** CHANGES MADE FOR 10/28/2019 version 2.2 **
*********************************************
1. Increased ProjectIdentifier length from 30 to 55

*********************************************
** CHANGES MADE FOR 12/05/2019 version 2.2 **
*********************************************
 1. Increased IndexQualifierCode length from 5 to 35