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2023 Deleted Descriptors

See here the deleted descriptors in the 2023 edition.

SubcategoryDeleted Descriptor
SP4Air Characteristics
SP4Air Chemistry
SP8Alarm
M01American Indians or Alaska Natives
SP8Anemograph
SP8Anemometer
SP8Anemoscope
SP8Antecedent Precipitation Index
SP8Asphyxiating Substances, Products and Materials
SP8Atmospheric Disturbance
SP4Bag Filters
SP8Bamboo Pipes
SP4Building Specifications
SP8Carcinogenic Substances, Products and Materials
C04Cervical Intraepithelial Neoplasia
SP8Chemical Sources
SP8Chemical Waste Neutralization
SP8Chemical-Technological Event
SP8Chemical-Technological Factors
SP8Classification and Identification by Risk Substances, Products and Materials
SP8Classification and Identification by Toxicity
SP8Classification and Identification by Use of Substances, Products and Materials
SP4Classification and Identification of Substances, Products and Materials
SP4Classification and Identification of United Nation Substances, Products and Materials 
SP8Coefficient of Tide
SP2Collective Effects of Health Disparities
SP4Combined Sewerage Overflow
SP8Concentration (Chemistry)
SP8Concentration At Ground Level
SP4Construction Calculations
SP2Contextual Effects of Health Disparities
SP8Continental Plate
SP4Control
SP8Countervalue Attack
SP4Crossed Installations
SP2Cumulative Effects of Health Disparities
SP8Damage To Production System
SP8Dangers of Substances, Products and Materials
SP8Dew Point Temperature
SP4Dilution Cone
SP8Disaster Evaluation Characteristics
SP8Disaster Path
SP8Disaster Path
SP8Disasters Identification Characteristics
SP8Exceedance Probability
SP4Expanded Bed
SP8Explosive Substances, Products and Materials
SP8Exposed System
SP8Flammable Substances, Products and Materials
SP4Foundations (Soil Engineering)
SP4General Aspects
SP8Geneva Convention
SP4Geothermal Gradient
SP8Hazardous Substances, Products and Materials
SP8Health Danger Provoked by Substances, Products and Materials
SP8Identification Code for Hazardous Materials
SP4Indoor Air
SP4Infiltration Galleries
SP4Information
SP8Instability Indexes
SP8Internal Mechanisms of Disasters Production
SP8International Classification of Hazardous Goods
SP8Interrelation
SP8Interrelation by Hazard
SP8Interrelation by Negative Effects
SP1, SP4, SP8Joint Ventures, Non-Medical
SP8Kiloton
SP2Latent Effects of Health Disparities
SP8Lead Pipes
SP4Local Building Material
SP8Masonry
SP4Materials
SP4Materials
SP4Meander
SP3Measurements, Methods and Theories
SP8Mechanical Sources
SP8Megaton
SP4Moving Bed
SP8Mutagenic Teratogenic Substances, Products and Materials
SP8National Development Plan
SP9Nominal Health Coverage
SP8Nowcast
SP8Organizations, Committees and Conventions
SP8Oxidizing Substances, Products and Materials
SP2Pathway Effects of Health Disparities
SP8Phases of Toxicity
SP8Physical and Chemical Factors
SP4Physical Contamination
SP8Point Source Storm
SP8Polar Air
SP3Polyamory
SP8Population Explosion (Disasters)
SP8Pretreatment
SP8Prewarning
SP8Processes of Substances, Products and Materials
SP8Protrusive Dome
SP8Quicksand
SP8Radioactive Substances, Products and Materials
SP4Rainfall-Runoff Relationship
SP8Rainfall-Runoff Relationship
SP8Reagent Substances, Products and Materials
SP8Rock Decomposition
SP8Sea Surge
SP8Security Sheet of Products
SP8Septic Tank Sink
SP4Shredders
SP8Storage of Substances, Products and Materials
SP8Stream Flow Gauging
SP4Structural Measures
SP8Substances, Products and Materials
SP8Substances, Products and Materials
SP4Subsurface Wastewater Injection
SP4System Design
SP4Technical Aspects
SP4Technical Standards
SP8Techniques, Measures, Measurement Equipment
SP2Telerregulation
SP2Telesomnology
SP8Thermal Sources
SP8Toxic Substances, Products and Materials
SP8Tropical Air
SP4Turbulent Flow
SP4Uniform Flow
SP8Vehicle Check
SP4Wastewater Chemical Characteristics
SP4Wastewater Physical Characteristics
SP4Water Condominial Systems
SP4Water Pressure Meters

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