N.D. Admin Code 33.1-15-01-05 - Abbreviations

The abbreviations used in this article have the following meanings:

A	- ampere
A.S.T.M.	- American Society for Testing and Materials
Btu	- British thermal unit
°C	- degree Celsius (centigrade)
cal	- calorie
CdS	- cadmium sulfide
cfm	- cubic feet per minute
CFR	- Code of Federal Regulations
cu ft	- cubic feet
CO	- carbon monoxide
CO2	- carbon dioxide
dcf	- dry cubic feet
dcm	dry cubic meter
dscf	dry cubic feet at standard conditions
dscm	dry cubic meter at standard conditions
eq	equivalents
°F	degree Fahrenheit
ft	feet
g	gram
gal	gallon
geq	gram equivalents
gr	grain
hr	hour
HCI	hydrochloric acid
Hg	mercury
H2O	water
H2S	hydrogen sulfide
H2SO4	sulfuric acid
Hz	hertz
in.	inch
J	joule
°K	degree Kelvin
k	1,000
kg	kilogram
l	liter
Ipm	liter per minute
lb	pound
m	meter
m3	cubic meter
meq	milliequivalent
min	minute
mg	milligram -103 gram
Mg	megagram -106 gram
ml	milliliter-10-3 liter
mm	millimeter-10-3 meter
mol	mole
mol.wt.	molecular weight
mV	millivolt
N2	nitrogen
N	newton
ng	nanogram -10-9 gram
nm	nanometer -10-9 meter
NO	nitric oxide
NO2	nitrogen dioxide
NOx	nitrogen oxides
O2	oxygen
Pa	pascal
PM	particulate matter
PM25	particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers
PM10	particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers
ppb	parts per billion
ppm	parts per million
psia	pounds per square inch absolute
psig	pounds per square inch gauge
°R	degree Rankine
s-sec	second
scf	cubic feet at standard conditions
scfh	cubic feet per hour at standard conditions
scm	cubic meters at standard conditions
scmh	cubic meters per hour at standard conditions
SO2	sulfur dioxide
SO3	sulfur trioxide
SOx	sulfur oxides
sqft	square feet
std	at standard conditions
TSP	total suspended particulate
µg	microgram -10-6gram
V	volt
W	watt
Q	ohm

Notes

N.D. Admin Code 33.1-15-01-05

Adopted by Administrative Rules Supplement 370, October 2018, effective 1/1/2019. Amended by Administrative Rules Supplement 2020-377, July 2020, effective 7/1/2020.

General Authority: NDCC 23.1-06-04; S.L 2017, ch. 199, § 1

Law Implemented: NDCC 23.1-06-04; S.L. 2017, ch. 199, § 21