Facility Name:Dow Corning Corporation - Midland Site
Facility Identifier:
Facility Reporting Year:2020
Facility Location:
Address: 3901 S. Saginaw Rd.
City: Midland
State: MI
Postal Code: 48686

Facility Site Details:
CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):30,026.5
CO2 equivalent emissions from supplier subparts LL-QQ (metric tons):
Biogenic CO2 emissions from facility subparts C-II, SS, and TT (metric tons):0
Cogeneration Unit Emissions Indicator:N
GHG Report Start Date:2020-01-01
GHG Report End Date:2020-12-31
Description of Changes to Calculation Methodology:The THROX CEMS unit was operating throughout the year, so there was no need to report under the no CEMS scenario for 2020.
Plant Code Indicator:N
Primary NAICS Code:325998
Second Primary NAICS Code:

Parent Company Details:
Parent Company Name:DOW INC
Address:2030 Dow Center, Midland,  MI 48674
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas NameCarbon Dioxide
Gas Quantity29,993.6 (Metric Tons)
Own Result?

Gas NameBiogenic Carbon dioxide
Gas Quantity0 (Metric Tons)
Own Result?

Gas NameMethane
Gas Quantity0.6 (Metric Tons)
Own Result?

Gas NameNitrous Oxide
Gas Quantity0.06 (Metric Tons)
Own Result?

Unit Details:
Unit Name : GP-PROCESSHEAT
Unit Type : OCS (Other combustion source)
Unit Description :
Other Unit Name :
Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 103
Cumulative Maximum Rated Heat Input Capacity: 565

Emission Details:
Annual CO2 mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 31798.0 (metric tons)

Tier Fuel Details:
Fuel : Natural Gas (Weighted U.S. Average)
Tier Name : Tier 2 (Equation C-2a)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31
Frequency of HHV determinations : Monthly

Tier 2 Monthly HHV Details :
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
N N N N N N N N N N N N

Fuel Emission Details :
Total CO2 emissionsTotal CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
20844.1 (Metric Tons) 0.39 (Metric Tons) 0.039 (Metric Tons) 9.8 (Metric Tons) 11.7 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 371705890 (scf/year)
Use Default High Heat Value : false
Equation C2b Inputs :
Fuel CombustedHigh Heat Value
January27751342 (scf/month)0.001055 (mmBtu/scf)
February20530151 (scf/month)0.001057 (mmBtu/scf)
March21943446 (scf/month)0.001054 (mmBtu/scf)
April16045407 (scf/month)0.001052 (mmBtu/scf)
May29182876 (scf/month)0.001057 (mmBtu/scf)
June25008539 (scf/month)0.001059 (mmBtu/scf)
July26944128 (scf/month)0.001053 (mmBtu/scf)
August29500672 (scf/month)0.001064 (mmBtu/scf)
September37101226 (scf/month)0.001057 (mmBtu/scf)
October45166494 (scf/month)0.001057 (mmBtu/scf)
November37485494 (scf/month)0.001057 (mmBtu/scf)
December55046115 (scf/month)0.001057 (mmBtu/scf)

Unit Name : CS-THROX
Unit Type : OCS (Other combustion source)
Unit Description :
Other Unit Name :
Common Stack Details:
Use Ivt Indicator: N
Combined Maximum Rated Heat Input Capacity: 95
Number of Units: 1

Emission Details:
Annual Biogenic CO2 Emissions: (metric tons)

Tier 4 Details:
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31

Tier 4 Quarter Fuel Details
First QuarterSecond QuarterThird QuarterFourth Quarter
2750.4 (Metric Tons) 1977.6 (Metric Tons) 1635.9 (Metric Tons) 2785.6 (Metric Tons)

Total Source Operating Hours: 8252
Operating Hours Details:
Operating hours in which a substitute data value was used in the emissions calculations for CO2 concentration : 0
Operating hours in which a substitute data value was used in the emissions calculations for stack gas flow rate : 0
Operating hours in which a substitute data value was used in the emissions calculations for stack gas moisture content : 0

Non-Biogenic CO2 emission : 9149.5 (Metric Tons)
Biogenic CO2 emission : 0 (Metric Tons)
Annual CO2 emission measured by CEMS : 9149.5 (Metric Tons)
Emissions reported for the CEMS include emissions calculated according to 98.33(a)(4)(viii) for a slipstream that bypassed the CEMS. :

Tier Fuel Details:
Fuel : Natural Gas (Weighted U.S. Average)

Fuel Emission Details :
Total CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
0.21 (Metric Tons) 0.021 (Metric Tons) 5.2 (Metric Tons) 6.2 (Metric Tons)

Equation C10 Inputs :
Annual Heat Input : 206661.69 (mmBtu)


Non-Operating Unit Details:
Unit Name : CP-THROX (no CEMS)
Configuration Type :
Unit Type : OCS (Other combustion source)
Unit Description : CEMS replaced but not certified/calibrated to use with GHG reporting