1        Control Efficiency
2        Capture Efficiency
3        Photonflux Density
4        Throughput Rate
5        Cloud Cover
6        Velocity
7        Plume Height
8        Individuals
A        Consolidated Weight
B        Billed Weight
C        Actual New Repeated for Combination
D        Destination Weight Agreement
E        Estimated New Weight
F        Deficit Weight
G        Gross Weight
I        Heat Input
L        Legal Weight
M        Minimum Weight (for Weight)
N        Actual Net Weight
O        Excess Weight Over Maximum
Q        Volatile Organic Compounds Plus Water
R        Per Unit Dunnage
S        State Weight
T        Tare Weight
U        Weight per Unit
X        Maximum Weight (for Rate)
10       Painting Costs
11       Structural Costs
12       Appliances
13       Utilities
14       Carpet or Floors
15       Other Repairs
16       Landscaping
18       Roof
19       Windows
1F       Radio Frequency
20       Cleaning or Trash Removal
21       Probable Sales Price
22       Proximity
23       Repairs and Improvements
24       Contributory Value of Repairs and Improvements
25       Marketing Time
26       Closed Comparable Sales
27       Competitive Listings in Price Range
28       Financing Concessions
29       Marketing Concessions
2F       Alternate Radio Frequency
30       Probable Net Price
31       Suggested Initial List Price
32       Value Change
33       Probable Final Value
34       Occupancy Rate
35       Number of Living Units
36       Number of Phases
37       Number of Active Listings
38       Price Active Listings
39       Marketing Time
3A       Target Depth
3B       Current Depth
3C       Total Depth
3D       Well Test Before Oil
3E       Well Test Before Gas
3F       Well Test Before Water
3G       Well Test After Oil
3H       Well Test After Gas
3I       Well Test After Water
3J       Estimated Depth of Operations
40       Price Per Gross Living Area
41       Built-up Rate
42       Vacant Rate
43       Typical Rents
44       Neighborhood Apartment Vacancy
4F       Squelch Tone
5F       Height above Ground
6F       Gain
8F       Directional Height above Average Terrain
A1       Acids
A2       Adsorption
A3       Aging Time
A4       Aromatics
A5       Average Differential Pressure
A6       Average Static Pressure
A7       Flame Projection Distance
A9       Exposure
AA       Alternating Current
AB       Activation Energy
AC       Actinium
AD       Ambient Temperature
AE       Argon
AF       Angle of Bend
AG       Americium
AH       Astatine
AI       Acidity
AJ       Aim Gage
AK       Volatile Organic Compounds (VOCs)
AL       Spine Show
AM       Average Speed
AN       Flute Test
AP       Average Pressure
AS       Ash Fusion Temperature
AT       Additive
AU       Number of Units Projected
AV       Age
AW       Remaining Economic Life
AX       Remaining Physical Life
AY       Number of Comparable Sales
AZ       Arbor Size
B1       Base Number
B2       Number of Comparable Listings
B3       Present Land Use
B4       Subject Phase Dwelling Units
B5       Octanol/Water Partition Coefficient
B6       Total Project Dwelling Units
BA       Barium
BB       Beryllium
BC       Billet Size
BD       Bias
BE       Boron Factor
BF       Brinell
BG       Berkelium
BH       Bromine
BJ       Burst Index
BK       Bulk
BL       Blisters
BN       Bend
BO       Lateral Bow (Camber)
BP       Boiling Point
BQ       Breaks
BR       Brightness
BT       Bursts
BU       Buckles
BW       Basis Weight
BX       Blood Alcohol
C0       Color Grade
C1       Carbonyl
C2       Catalyst
C3       Maximum Contraction
C4       Color Quadrant
CA       Caliper
CC       Celsius
CD       Compression
CE       Capacitance In
CF       Capacitance Out
CG       Cadmium
CH       Cesium
CI       Curium
CJ       Cycle Time
CK       Californium
CL       Cladding Thickness(% of Composite Thickness)
CM       Cures
CN       Chlorine
CO       Core Loss
CP       Crimp
CQ       Cuts
CR       Crosswise Spacing
CS       Cross Section
CT       Center-to-center
CU       Coil Curvature
CW       Cuttable Width
CX       Calculated Value
CY       Contamination
D1       Maximum Dilatation
D2       Dispersing Agent
D3       Drying Agent
D4       Dry Point
D5       Wear
D7       Distillation Fraction
DA       Delta Value A
DB       Delta Value B
DC       Ductile Class
DD       Depth of Dents
DE       Defects
DF       Distance Across Flats
DG       Direct Current
DH       Dysprosium
DI       Diameter
DJ       Dominant Wave Length
DL       Delta Value L
DM       Dual Amplitude
DN       Density
DP       Depth
DR       Delta R
DS       Distance Between Points
DT       Distance From Base Point
DU       Draw Tension
DW       Width, Boxcar Door
DY       Dyeability
E0       Extraneous Matter
E1       End
EA       Elongation
EB       Edge Burr
EC       English Coil Dimensions
ED       Eddy
EE       Einsteinium
EF       Europium
EG       Equivalent Temperature
EH       Erbium
EI       Expansion
EJ       Electrical Conductivity
EL       Elasticity
EM       Elmendorf Tear
EN       Entanglement
EP       Exciting Power
ES       Edge
EW       Empty Weight
EX       Eccentricity
F1       Fire Point
F2       Radiated Power
F3       Output Power (Peak Envelope)
F4       Height above Average Terrain
F5       Ground Elevation
F6       Height to Tip
F7       Radius from a Location
F8       Radius from Coordinates
F9       Operating Hours
FA       Fluorine
FB       Flare
FC       Short Cycle Flatness
FD       Frequency of Operation
FE       Fermium
FF       Francium
FG       Freezing Point
FH       Finish
FI       Filament Count
FJ       Face Width
FK       Fluid Consistency
FL       Longitudinal Flatness
FN       Flatness
FP       Flashpoint
FQ       Frequency
FR       Flow Rate
FS       Fold Strength
FT       Flange Thickness
FU       Azimuth
FV       Transverse Flatness
FW       Flange Width
FX       Filler
FY       Beam
FZ       Output Power (Mean RF)
G1       Gutter
G2       Grain Size
G3       Tilt
G4       G-Force
GA       Grain
GB       Guided Bends Root
GC       Gadolinium
GD       Gold
GE       Guided Bends Face
GF       Guided Bends Side
GG       Gauge
GH       Gallium
GI       Grit, Brushed
GJ       Grit, Unbrushed
GK       Tinting Strength
GL       Gloss
GM       Emulsion Gloss
GN       Gross to Net Conversion Factor
GO       Particle End Point
GP       Group Package Separation
GQ       Scattered Particles
GR       Gravity
GS       Carbon Black Undertone
GT       Glass Transition Temperature
GW       Gross Weight, Maximum
H1       Heavies
H8       Net Explosive Weight
H9       Recommended Exposure Limit
HA       Hydro Pressure
HB       Heavy Aluminas
HC       Helium
HD       High Propagation Delay Time
HE       Heavy Silicates
HF       Hardness
HG       Heavy Sulfides
HH       Heavy Globular Oxides
HI       Hafnium
HJ       Holmium
HK       Human Factors
HL       Heat Loss
HM       Height, Maximum
HO       Holes
HP       Height of Tread Plate Pattern
HR       Height of Runners
HT       Height
HZ       Hazepoint
IA       Imperfections - Thicks
IB       Impact Energy
IC       Incremental Distance
ID       Inside Diameter
IE       Imperfections - Thins
IF       Input Low Voltage
IG       Granulated Ingot Size
IH       Input Current
II       Input Setup Time
IJ       Input Hold Time
IK       Indium
IL       Imperfections - Neps
IM       Iridium
IN       Input Low Current
IO       Input High Current
IP       Input Leakage Current
IQ       Input Clamp Diode Voltage
IR       Ideal Diameter
IS       Input High Voltage
IT       Interrupt Pulse Period
IU       Interrupt Setup Time
IV       Iodine
IW       Incrustation Factor
IX       Inside Diameter, Minimum
IY       Induction
IZ       Ingot Pound Size
JA       Junction Temperature
KA       Knoop
KB       Krypton
KN       K&N Holdout
L0       Leaf Grade
L1       Lights
LA       Lanthanum
LB       Lithium
LC       Low Propagation Delay Time
LD       Lawrencium
LE       Lutetium
LF       Long Fibers
LG       Leg
LL       Long Leg
LM       Length, Maximum
LN       Length
LO       Long Length
LP       Camber of Pattern Line
LS       Short Leg
LT       Lengthwise Spacing
LW       Long Width
M1       Melt Range
M2       Maximum Differential Pressure
M3       Maximum Static Pressure
M4       Area
M5       Minimum Speed
M6       Maximum Speed
MA       Mean Average
MB       Mendelevium
MC       Min./Max Cuttable Width
MD       Measurement Voltage
ME       Maximum Input Low Voltage
MF       Minimum Input High Voltage
MG       Mercury
MH       Melting Point
MI       Minimum
MJ       Major Section (Stepped)
MK       Microseperometer (MSEP)
MM       Management
MN       Minimum Average
MO       Mottles
MP       Mullen Pop
MQ       MCQuaid
MR       Module R (R Bar)
MS       Minor Section (Stepped)
MT       Moisture Content
MU       Multiplier
MV       Maximum Average
MW       Molecular Weight
MX       Maximum
MY       Magnetizing Field
NA       Number per Package
NB       Number per Bundle
NC       Number per Coil Group
ND       Neodymium
NF       Neon
NG       Nobelium
NH       Number of Items per Package Label
NI       Number of Splices per Package Label
NJ       Number of Sheets per Package Label
NK       Nesting Factor
NL       Number per Lift
NM       Number Pkgs. per Master Pack
NO       Nominal (Target, Aim)
NP       Percent of Specified
NS       Number per Skid
NU       Number per Unit
NV       N Value
O1       Orifice - Inside Diameter
OA       Offset
OB       Osmium
OC       Output Low Voltage
OD       Outside Diameter
OE       Output Low Current
OF       Output High Voltage
OG       Output High Current
OH       Overhead Height, Receiving Door
OI       Output Off Current Low
OJ       Output Off Current High
OK       Output Short-Circuit Current
OL       Output Disable Time from Low Level of a 3-State Output
OM       Outside Diameter, Maximum
ON       Output Disable Time from High Level of a 3-State Output
OO       Output Enable Time from Low Level of a 3-State Output
OP       Openness
OQ       Output Enable Time from High Level of a 3-State Output
OR       Distance Between Outside Runners
OS       Open Circuits
OT       Output Delay Time
OV       Opacity
OW       Overall Width
OX       Ownership Share
OY       Operating Weight
P1       Price
PA       Package Separation
PB       Pressure
PC       Per Hundred Linear Yards
PD       Platinum
PE       Potassium
PF       Promethium
PG       Polonium
PH       Pulse Setup Time
PI       Pulse Hold Time
PJ       Pulse Width
PK       Pulse Recovery Time
PL       Percent Defective
PM       Practice
PN       Palladium
PO       Percent of Order (-, +)
PP       Powder/Paste Package Size
PQ       Plutonium
PR       Praseodymium
PS       Protactinium
PT       Pits
PU       Pressure Base
PV       Picks
PW       Purchased Width
PX       Purity
PY       Percent of Water
PZ       Pipe Size Nominal
QA       Quality Index
QB       Quantity or Loading Average
QC       Quantity or Loading Maximum
QD       Quality or Concentration Average
QE       Quality or Concentration Minimum
QF       Quality or Concentration Maximum
QL       Quality
R1       Hemoglobin
R2       Hematocrit
R3       Epoetin Starting Dosage
R4       Creatin
R7       Speed
R8       Speed Limit
RA       Relative Humidity
RB       Range Value
RC       Radius of Corner
RD       Readpoint
RE       Ream Weight
RF       Resistivity
RG       Radium
RH       Rhenium
RI       Rubidium
RJ       Rockwell-C
RK       Rockwell-B
RL       Reduction Ration
RM       RMS Range (Side 1)
RN       Required Interrupt Release
RO       Reset Pulse Width
RP       Reduction of Area
RQ       Radon
RR       Reduction Ratio
RS       RMS Range (Side 2)
RT       Rounds Ammunition/Military
RU       Rhodium
RV       Ruthenium
RW       Rolling Width
RX       Ridges
RY       Ratio
S1       Smoothness
S2       Selvedge on Beam
S3       Sheffield Smoothness
S4       Surface Strength
S5       Stiffness
S6       Saturation
S7       Sediment
S8       Solubility
S9       Site Atmospheric Pressure
SA       Sort Code CIE LAB
SB       Sort Code CMC
SC       Schedule Number (Pipe Size)
SD       Strength
SE       Selvage Left
SF       Samarium
SG       Slit Width
SH       Strontium
SI       Supply Current
SJ       Short Circuits
SK       Shrinkage
SL       Short Length
SM       Shear
SN       Stain
SO       Sort Code CIE LCH
SP       Splinter Count
SQ       Shipped Quantity
SR       Selvage Right
SS       Silver
ST       Stop Recovery Startup Time
SU       Shipped Units
SV       Scandium
SW       Short Width
SX       Sodium
SY       Service Interrupt Duration
SZ       Skid Height
T1       Tire Pressure
T2       Tube - Inside Diameter
T3       Technical
T4       Single End Break
T5       Skein Break
TA       Thickness Heavy End (Tapered/Stepped)
TB       Thickness Small End (Tapered/Stepped)
TC       Temperature
TD       Thin Aluminas
TE       Tenacity
TF       Tensile
TG       Thin Sulfides
TH       Thickness
TI       Thin Silicates
TJ       Total Supply Current
TK       Timer Pulse Width
TL       Tapered/Stepped Length Type
TM       Length Type: Multiples
TN       Timer Period
TO       Terbium
TP       Thorium
TQ       Thin Globular Oxides
TR       Length Type: Random
TS       Length Type: Specific
TT       Time
TU       Technetium
TV       Thallium
TW       Top
TX       Thulium
TY       Tear Strength
UA       Uranium
UG       Usage
VH       Height, Van Door
VO       Voltage
VW       Width, Van Door
WA       Weight per Unit of Area
WB       Web
WC       Web Depth/Height
WD       Width
WE       Wolfram
WF       Wait Recovery Startup Time
WH       Whiteness
WI       Winding Loss
WL       Wall Thickness
WM       Width, Maximum
WR       Wrinkles
WT       Weight
WU       Weight per Unit of Length
WX       Wax Pick
XA       Xenon
XH       Side Height, Flat Bed With Removable Sides
XP       Specified
XQ       Squareness
XZ       Spool Size
YA       Yttrium
YB       Yield
YC       Ytterbium
YD       Yarn Count
ZA       Power Factor
ZB       Boron
ZC       Carbon
ZD       Load Factor
ZF       Sulfate Sulfur
ZG       Organic Sulfur
ZH       Hydrogen
ZN       Nitrogen
ZO       Oxygen
ZP       Phosphorous
ZR       Pyritic Sulfur
ZS       Sulfur
ZV       Vanadium
ZW       Tungsten
AAP      AC-apparent Power
ABO      Absorbance
ABR      Abrasion
ABS      Absorbency
ACN      Acid Number
ADH      Adhesion
ADM      Dye Manufacturing Units
AGE      Inventory Age
AGI      Aggressive Index
ALK      Alkalinity
ALN      Alkalinity Number
ALP      Alpha-Cellulose
AMI      Amines
AMW      Average Molecular Weight
AOX      Antioxidant
API      API Gravity
APP      Appearance
ASH      Ash
ASY      Assay
AVT      Average Temperature
BDP      Perforation Bottom Depth
BHF      Bottomhole Pressure - Flowing
BHS      Bottomhole Pressure - Shutin
BIC      Bark in Chips
BND      Amount Bound in Material
BOR      Boiling Range
BRS      Breaking Strength
BSW      Percent Bottom Sediment and Water
BUD      Bulk Density
CAU      Caustic Reaction Severity
CCF      Composite Corrected Factor
CCG      Combined Center of Gravity
CGR      Color Grayness RD
CHA      Chemical Addition Rate
CHC      Concentration of Hazardous Component
CHG      Rate of Change
CHL      Chlorides
CIV      Cuene Intrinsic Viscosity
CLA      Clarity
CLB      Calibration
CLN      Cleanliness
COH      Coercive Force
COL      Color
CON      Concentration
COR      Corrosiveness
COS      Cost
COT      Content
CPF      Casing Pressure - Flowing
CPS      Casing Pressure - Shutin
CRF      Free Chlorine Residual
CRL      Compression Relaxation
CRN      Crown
CRT      Total Chlorine Residual
CSC      Choke Size - Casing
CSR      Cost Realism
CST      Choke Size - Tubing
CTG      Coating
CTT      Contact Time
CUT      Cure Time
CWT      Charge Weight
CYB      Color Yellowness (+B)
DAT      Datum Depth
DCT      Dirt Count
DEM      De Minimis Level
DIR      Distillation Range
DIS      Dispersion
DME      Dichloromethane Extract
DMF      Distributed Meter Factor
DPM      Degree of Polymerization
DRY      Dryness
DWP      Dew Point
ELC      Exposure Ceiling: Threshold Limit Value
ELE      Elevation
ELI      Immediately Dangerous to Life and Health
ELL      Explosion Limit
ELO      Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit
ELP      Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit 
         Ceiling
ELS      American Conference of Government Industrial Hygienists (ACGIH) Threshold Limit 
         Value: Short-Term Exposure
ELT      American Conference of Governmental Industrial Hygienists (ACGIH) Threshold 
         Limit Value: Time Weighted Average
ELV      Unshielded Exposure Rate
ELW      American Industrial Hygienists Association (AIHA) Work Environment Exposure 
         Level (WEEL)
ELX      American Industrial Hygienists Association (AIHA) Work Environment Exposure 
         Level (WEEL): Time Weighted Average
EPL      Expected Product Life
EVL      Evaporation Loss
EVR      Evaporation Rate
EXH      Exhaust Benzene Emissions
EXT      Extractables
FBP      Acetate Break Point
FIL      Filter Number
FIN      Fineness
FIT      Filterability
FLD      Fluid Point
FLN      Fiber Length
FLP      Fluid Level Above Pump
FLV      Flavor Threshold
FML      Flammability Limits
FMZ      Flammability
FNL      Fines Retained on Screen
FNS      Fines
FOA      Foam
FOH      Front Over-Hang of Vehicle
FOI      Fouling Index
FOR      Foreign Matter
FPV      Acetate Plugging Value
FSI      Free Swelling Index
FUD      Full Load
GEL      Gel
GGR      Gas Gravity
GIR      Gas Injection Test Rate
GLE      Ground Level Elevation
GOR      Gas-to-Oil Ratio
GRA      Gas Test Rate
GRI      Graininess
H2O      Water Volume
HAR      Hardening Rate
HAZ      Haze
HCG      Horizontal Center of Gravity
HHW      Hemispherical Point
HIB      High Boilers
HOC      Heat of Combustion
HTE      Heat Equivalency
HVM      Heavy Metals
HWS      Softening Point
HYD      Hydroxyl Number
HZC      Hazardous Component
IDE      Identification
IGA      Autoignition Temperature
IGR      Input Gas Rate
IHV      Inherent Viscosity
IMP      Impurities
IND      Initial Deformation Point
INS      Insolubles
IPI      Primary Irritation Index
IRA      Inclusion Rating
JOM      Jominy Hardenability
LAI      Langlier Index
LC5      Lethal Concentration, 50% ("LC-50")
LCG      Longitudinal Center of Gravity
LD5      Lethal Dose, 50% ("LD-50")
LDH      Limited Dome Height (LDH)
LEF      Leaf
LIR      Liquid Injection Test Rate
LIV      Limit Intrinsic Viscosity
LLD      Light Load
LOI      Loss on Ignition
LOS      Loss on Drying
LOW      Low Boilers
LPG      Liquefied Petroleum Gas Factor
LPL      Labeled Product Life
LPR      Line Pressure
LSK      Length Shrinkage
LSS      Linear Sheet Swelling
LTD      Liner Top Depth
MAT      Maturity
MCN      Magnetic Contamination
MEF      Meter Factor
MEL      Melt Time
MER      Efficient Rate-Reservoir
MHI      Highest Torque
MIC      Micronaire
MOI      Moisture
MOR      Mortality
MPR      Production Rate-Well
MTD      Maximum Total Depth
MUL      Mullen
NEU      Neutralization Number
NIL      Nil Ductility Test
NNW      Net Net Weight
NOC      Number of Cosigners
NON      Non-Volatile Matter
NOR      Number of References
NOX      NOx Emissions Performance
OAP      Observed American Petroleum Institute Gravity
OBT      Observed Temperature
OCG      Oil/Condensate Gravity
OCR      Oil/Condensate Test Rate
ODR      Odor
OIL      Oil
OLE      Olefins
ORC      Organic Carbon
OTE      Others Each
OTH      Odor Threshold
OTT      Others Total
OXI      Oxidizable Substance
OXS      Oxidizing Substance
PAR      Particle Size
PBD      Plug Back Total Depth
PDE      Casing/Liner Tubing Depth
PDG      Pump Depth from Ground
PER      Magnetic Permeability
PFO      Perforation Feet Open
PHA      pH
PHW      Hardwood Fiber
PIC      Pick Off
POC      Completion
POD      Physical Description - Outer Diameter
POP      Pour Point
PPS      Proprietary Shade
PRE      Prior Experience
PRF      Pressure Factor
PRI      Product Index
PRL      Product Level
PRO      Processability
PRQ      Product Reportable Quantity
PRY      Porosity
PSA      Percent Solution Actual
PSP      Past Performance
PSW      Softwood Fiber
PWA      Processed Waste
PWE      Physical Description - Weight
PWF      Power Factor
QUR      Reportable Quantity
R10      Relative Fraction of Pure Long-Chain Cellulose
R18      Relative Fraction of Total Cellulose
RAD      Radius
RAF      Roof Adjustment Factor
REA      Reactivity
RED      Reducing Substance
REF      Refining
REI      Refractive Index
REL      Reflectance
RES      Resistance
ROH      Rear Over-Hang of Vehicle
ROX      Oxygen from a Renewable Oxygenate
RSZ      Roll Size
RTB      Reporting Temperature Base
RUD      Usage Deviation (Applies to Kilowatt Hours, Kilowatt Demand and Reactive 
         Demand)
RVP      Reid Vapor Pressure
S10      Pulp Impurities
S12      Start
S18      Hemicellulose
SAP      Saponification Number
SCH      Schedule
SEV      Severity
SHA      Shelf Life
SIL      Silica (Silicon Dioxide)
SLD      Solderability
SLI      Slagging Index
SMB      SAM-B Rating
SMD      SAM-D Rating
SOD      Solids
SOF      Softening Range
SPG      Specific Gravity
SPR      Separator Pressure
STA      Stability
STL      Short Term Exposure Limit
STP      Staple
SUM      Suspended Matter
SUR      Surface Roughness
SUT      Surface Tension
SVL      Survival
SXX      S10 Minus S18 Value
T50      T50
T90      T90
TAS      Taste
TCL      Tire Tread Contact Length
TDP      Perforation Top Depth
TEE      Autodecomposition Temperature
TES      Storage Temperature
TEX      Texture
TOA      Aquatic Toxicity
TOR      Torque
TOX      Toxic Emissions Performance
TPF      Temperature Factor
TPL      Tubing Pressure - Flowing
TPQ      Threshold Planning Quantity
TPS      Tubing Pressure - Shutin
TRA      Trash Area
TRC      Trash Count
TRD      Tire Diameter
TRN      Transmittance
TSZ      Trim Size
TTL      Trailer Tongue Length
TUR      Turbidity
TVD      Maximum True Vertical Depth
TWD      Tire Width
UCB      Cube
UNI      Uniformity
UNK      Unknowns
VAD      Vapor Density
VAP      Vapor Pressure
VCG      Vertical Center of Gravity
VIN      Vinyl
VIS      Viscosity
VOC      VOC Emissions Performance
VOL      Volume
VOT      Volatiles
VOV      Volatiles by Volume
VOW      Volatiles by Weight
VSO      Volume Split to Others
VWT      Volume Weight
WDE      Water Depth
WEL      Weight Loss
WOD      Water-Oil Distribution Coefficient
WPF      Wellhead Pressure-Flowing
WPL      Water/Product Level
WPS      Wellhead Pressure Shutin
WRA      Water Test Rate
WSK      Width Shrinkage
WTB      Water/Tank Bottom Level
ZAL      Aluminum
ZAS      Arsenic
ZBI      Bismuth
ZBT      N-Butane
ZBZ      Benzene
ZCA      Calcium
ZCB      Columbium
ZCD      Carbon Dioxide
ZCE      Cerium
ZCO      Cobalt
ZCR      Chromium
ZCU      Copper
ZET      Ethane
ZFE      Iron
ZFL      Newspaper--Full Page
ZFS      Iron plus Silicon
ZGE      Germanium
ZHP      Heptane
ZHS      Hydrogen Sulfide
ZHX      Hexane
ZIB      I-Butane
ZIP      I-Pentane
ZMG      Magnesium
ZMN      Manganese
ZMO      Molybdenum
ZMT      Methane
ZNB      Niobium
ZNI      Nickel
ZNP      Neo-Pentane
ZOC      Octane
ZPB      Lead
ZPP      Propane
ZPT      N-Pentane
ZSB      Antimony
ZSE      Selenium
ZSI      Silicon
ZSN      Tin
ZTA      Tantalum
ZTB      Newspaper--Tabloid Page
ZTE      Tellurium
ZTI      Titanium
ZZN      Zinc
ZZR      Zirconium
ZZZ      Mutually Defined