**LEGALLY PRIVILEGED AND CONFIDENTAL DRAFT** 

Furnace type Glass Contact -- Side WallGlass Contact -- Floor Paving Breast WallCrownBack WallPortneck/ StackThroatCrVI Emissions (lb/hr) Detection Limit

Reported as lb/hrCrVI Emissions (lb/year)Tot. Chrome

EmissionsDetection Limit

Reported as lb/hrTot. Chrome

Emissions 1Oxy-fuel * 30-60% Chrome

- ChromeChromeChrome Chrome N/A N/A N/A N/A N/A N/A 2 Oxy-fuel 30-50% 50% 30% 30%30-50% 50% 50% 0.00023 No 2.0148 0.00026 No 2.2776 3 Oxy-fuel 30-50% 50% 30% 30%30-50% 50% 50% 0.00015 No 1.3140 0.00027 No 2.3652 4 Oxy-fuel 50% Chrome

- - - - Chrome N/A N/A N/A N/A N/A N/A 5 Oxy-fuel 50% Chrome Chrome50% 50% Chrome Chrome 0.047 No 411.7200 0.051 No 446.76 6 Oxy-fuel 49.5% 49.5 - 53.7% 49.5%49.5%49.5%49.5 - 92.0%50 - 92%0.00014 No 1.2264 0.00056 No 4.9056 7 Oxy-fuel 30-50% Chrome Chrome

- ChromeChrome Chrome N/A N/A N/A N/A N/A N/A

8 Steel shell 30-60% 30% - - - - - 0.000011 Yes 0.0964 0.00011 No 0.9636 9 Steel shell 95% 30% - - - - 95% 0.0000066 No 0.0578 0.000023 No 0.2015 10 Steel shell 30-60% 30% - - - - - N/A N/A N/A N/A N/A N/A 11 Steel shell 95% 30% - - - - 95% 0.000012 No 0.1051 0.00003 Yes 0.2628 12 Steel shell 30-60% 30% - - - - - N/A N/A N/A N/A N/A N/A 13 Steel shell 30-60% 30% - - - - - N/A N/A N/A N/A N/A N/A 14 Steel shell 30-60% 30% - - - - - N/A N/A N/A N/A N/A N/A 15 Steel shell 30-60% 30% - - - - - N/A N/A N/A N/A N/A N/A 16 Steel shell 30-50% 30% - - - - - 0.0000021 Yes 0.0184 0.000045 No 0.3942 17 Steel shell 30-60% 30% - - - - - N/A N/A N/A N/A N/A N/A 18 Steel shell 30-60% 30% - - - - - 0.000012 Yes 0.1051 0.000027 No 0.2365 **BTEC Emisssions Test Data**

18 Steel shell 30-60% 30% - - - - - 0.000012 Yes 0.1051 0.000027 No 0.2365 19 Steel shell 95% 30% - - - - 95% 0.0000056 Yes 0.0491 0.00009 No 0.7884 20 Steel shell 30-60% 30% - - - - - N/A N/A N/A N/A N/A N/A

21Cold top electric 50% 30% - - - - 50-95%0.000014 No 0.1226 0.000018 Yes 0.1577 22Cold top electric 50-60% 50-60% - - 50-60% - 95%0.00000078 Yes 0.00680.00000021 Yes 0.0018 23Cold top electric 50% Chrome - - - - Chrome N/A N/A N/A N/A N/A N/A 24Cold top electric 50-60% 50-60% - - 50-60% - 95% N/A N/A N/A N/A N/A N/A 25Cold top electric 50% 30% - - - - 50-95%0.0000076 No 0.0666 0.000032 No 0.2803 26Cold top electric 49.5% 49.5 - 53.7% 49.5%49.5% - - 50-920.0000079 Yes 0.0692 0.000035 No 0.3066 27Cold top electric 50% 30% - - - - 50-95%0.000015 No 0.1314 0.000026 Yes 0.2278 28Cold top electric 50-60% 50-60% - - - - 95% 0.0000022 Yes 0.0193 0.000073 No 0.6395 29Cold top electric 50% 30% - - - - 50-95%0.0000055 No 0.0482 0.000039 No 0.3416 30Cold top electric 50-60% 50-60% - - 50-60% - 95% 0.0000052 No 0.0456 0.00004 Yes 0.3504

31 Air gas 30-50% 30% - - - - 50-95%0.0000013 Yes 0.01140.0000021 Yes 0.0184 32 Air gas 30-50% 30% - - - - 50-95%0.0000014 No 0.0123 0.000004 No 0.0350 33 Air gas 30-50% 30% - - - - 50-95%0.0000033 No 0.02890.0000046 No 0.0403 34 Air gas 28-95% 28-60% - - 28-95% 95% 75% N/A N/A N/A N/A N/A N/A 35 Air gas 28-95% 28-60% - - 28-95% 95% 75% N/A N/A N/A N/A N/A N/A 36 Air gas 30-50% 30% - - - - 50-95%0.0000026 No 0.02280.0000037 No 0.0324

37 Specialty - - - - - - - 0.00017 No 1.4892 0.000064 Yes 0.5606 38 Specialty 30.0% 30.0% - - 30.0% - - 0.0002 No 1.7520 0.00045 No 3.9420

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### All oxy

**- fuel furnaces use a dry electrostatic precipitator** **as a control device.**