DAQ-2024-011560

ND
McWANE
DUCTILE | ,*o" srRoNG
2550 S. Industrial Parkway
Provo, UT 84606
o 801-623-4224f 80L-377-8104
mcwaneductile.com
October 23,2024
Bryce Bird, Director
Utah Department of Environmental Quality
Division of Air Quality
PO Box t44820
195 North 1950 West
Salt Lake City, Utah 84174-4820 Submitted Via Certified Mait
Re:Six-Month Opacity Observation ( N ESHAp Su bpa rt ZZZZZ)
Dear Mr. Bird:
This is to provide notice that McWane Ductile - Utah (MDU) intends to perform a semi-annual opacity observations during the period of December 9,2024 through December 17,2024, as required by the National Emission Standards for Hazardous Air pollutants
(NESHAP) for Iron and steel Foundries Area sources (subpartzzzzz). opacityobservations will be conducted in accordance with 40 CFR 63.6(h) and Table 1 to SubpartZZZZZ of Part 63.
If you have any questions or concerns regarding the intended opacity observations, please
contact Ch risty Seiger-Webster at ch risty. webster@ mcwa neductile. com or at(801) 523-4224.
Respectfully,
Vice President and General Manager
McWane Ductile - Utah
DIPAN[M[NT OF
ENVIHONM E.NIAL OUALITY
OcT 2 I 2024
DIVISION OF AIB OUALITY
B-2-10794