Chapter NR 400

NR 400.03(1)(k) (k) “s” — second

NR 400.03(1)(km) (km) “V” — volt

NR 400.03(1)(L) (L) “W” — watt

NR 400.03(1)(Lm) (Lm) “mg” — microgram—10-6 gram

NR 400.03(1)(m) (m) “W” — ohm

NR 400.03(2) (2) Other units of measure:

NR 400.03(2)(a) (a) “Btu” — British thermal unit

NR 400.03(2)(am) (am) “°C” — degree Celsius (centigrade)

NR 400.03(2)(b) (b) “cc” — cubic centimeters

NR 400.03(2)(bm) (bm) “cfm” — cubic feet per minute

NR 400.03(2)(c) (c) “Ci” — curie

NR 400.03(2)(cm) (cm) “d” — day

NR 400.03(2)(d) (d) “dcf” — dry cubic feet

NR 400.03(2)(dm) (dm) “dcm” — dry cubic meters

NR 400.03(2)(e) (e) “dscf” — dry cubic feet at standard conditions

NR 400.03(2)(em) (em) “dscm” — dry cubic meters at standard conditions

NR 400.03(2)(f) (f) “eq” — equivalent

NR 400.03(2)(fm) (fm) “°F” — degree Fahrenheit

NR 400.03(2)(g) (g) “ft” — foot

NR 400.03(2)(gm) (gm) “ft2” — square feet

NR 400.03(2)(h) (h) “ft3” — cubic feet

NR 400.03(2)(hm) (hm) “gal” — gallon

NR 400.03(2)(i) (i) “gr” — grain

NR 400.03(2)(im) (im) “hr” — hour

NR 400.03(2)(j) (j) “in” or ² — inch

NR 400.03(2)(jm) (jm) “in Hg” — inches of mercury

NR 400.03(2)(k) (k) “in H2O” — inches of water

NR 400.03(2)(km) (km) “l” — liter

NR 400.03(2)(L) (L) “lb” — pound

NR 400.03(2)(Lm) (Lm) “lpm” — liter per minute

NR 400.03(2)(m) (m) “mil” — 10-3 in

NR 400.03(2)(mm) (mm) “min” — minute

NR 400.03(2)(n) (n) “ml” — milliliter — 10-3 liter

NR 400.03(2)(nm) (nm) “mmBtu” — million Btu

NR 400.03(2)(ns) (ns) “MPH” — miles per hour

NR 400.03(2)(o) (o) “mrem” — millirem — 10-3 rem

NR 400.03(2)(om) (om) “oz” — ounce

NR 400.03(2)(p) (p) “pCi” — picocurie — 10-12 curie

NR 400.03(2)(pm) (pm) “ppm” or “ppmv” — parts per million (by volume)

NR 400.03(2)(q) (q) “psia” — pounds per square inch absolute

NR 400.03(2)(qm) (qm) “psig” — pounds per square inch gauge

NR 400.03(2)(r) (r) “°R” — degree Rankine

NR 400.03(2)(rg) (rg) “tpy” — tons per year

NR 400.03(2)(rm) (rm) “v/v” — volume per volume

NR 400.03(2)(s) (s) “yd2” — square yards

NR 400.03(2)(sm) (sm) “yr” — year

NR 400.03(2)(t) (t) “ml” — microliter—10-6 liter

NR 400.03(2)(tm) (tm) “mm” — micrometer—10-6 meter (micron)

NR 400.03(3) (3) Chemical nomenclature:

NR 400.03(3)(a) (a) “Be” — beryllium

NR 400.03(3)(b) (b) “CdS” — cadmium sulfide

NR 400.03(3)(c) (c) “CO” — carbon monoxide

NR 400.03(3)(d) (d) “CO2” — carbon dioxide

NR 400.03(3)(e) (e) “HCl” — hydrochloric acid

NR 400.03(3)(f) (f) “Hg” — mercury

NR 400.03(3)(g) (g) “H2O” — water

NR 400.03(3)(h) (h) “H2S” — hydrogen sulfide

NR 400.03(3)(i) (i) “H2SO4” — sulfuric acid

NR 400.03(3)(j) (j) “N2” — nitrogen

NR 400.03(3)(k) (k) “NO” — nitric oxide

NR 400.03(3)(L) (L) “NO2” — nitrogen dioxide

NR 400.03(3)(m) (m) “NOx” — nitrogen oxides

NR 400.03(3)(n) (n) “O2” — oxygen

NR 400.03(3)(o) (o) “Pb” — lead

NR 400.03(3)(om) (om) “SF6” — sulfur hexafluoride

NR 400.03(3)(p) (p) “SO2” — sulfur dioxide

NR 400.03(3)(q) (q) “SO3” — sulfur trioxide

NR 400.03(3)(r) (r) “SOx” — sulfur oxides

NR 400.03(4) (4) Miscellaneous:

NR 400.03(4)(a) (a) “API” — American Petroleum Institute, 1220 L Street NW, Washington DC 20005

NR 400.03(4)(am) (am) “AQCR” — air quality control region

NR 400.03(4)(b) (b) “ASME” — American Society of Mechanical Engineers, 22 Law Drive, Fairfield, NJ 07007-2900

NR 400.03(4)(bm) (bm) “ASTM” — American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959

NR 400.03(4)(c) (c) “avg” — average

NR 400.03(4)(cm) (cm) “BACT” — best available control technology

NR 400.03(4)(cs) (cs) “CAS no.” — Chemical Abstracts Service registry number

NR 400.03(4)(d) (d) “CEM” — continuous emission monitor

NR 400.03(4)(dg) (dg) “CERCLA” — federal comprehensive environmental response, compensation and liability act

NR 400.03(4)(dm) (dm) “CFC” — chlorofluorocarbon

NR 400.03(4)(e) (e) “CFR” — code of federal regulations

NR 400.03(4)(em) (em) “DOE” — United States department of energy

NR 400.03(4)(f) (f) “EPA” — United States environmental protection agency

NR 400.03(4)(fm) (fm) “FC” — fluorocarbon

NR 400.03(4)(g) (g) “FR” — federal register

NR 400.03(4)(gm) (gm) “GACT” — generally available control technology

NR 400.03(4)(go) (go) “GHG” — greenhouse gases

NR 400.03(4)(gs) (gs) “HAP” — hazardous air pollutant

NR 400.03(4)(h) (h) “HCFC” — hydrochlorofluorocarbon

NR 400.03(4)(hm) (hm) “HFC” — hydrofluorocarbon