Northern Metals shredder building test results

Emission Unit Tested Limitation Basis Pollutant and Emission Limit Test Result

Scrap Metal
Hammermill Shredder, Cascade Cleaning System Common Stack (STRU 1)

Minn. R. 7011.0715, subp. 1(A) Particulate Matter (PM):
≤ 0.043 grains/dry standard cubic foot of exhaust gas (gr/dscf) to comply with Minn. R. 7011.0735
0.0009 gr/dscf (A)
Minn. Stat. Section 116.07, subd. 4a;
Minn. R. 7007.0100, subp. 7(A), 7(L), & 7(M); Minn. R.7007.0800, subps. 1 & 2; Minn. R. 7009.0010-7009.0080
PM, PM < 10 micron and PM < 2.5 micron: ≤ 1.83 lbs/hour 0.769 lbs/hour (A)
Minn. R. ch. 4410;
Findings of 2011 EAW
Arsenic:
≤ 2.42 lbs/year
0.0004277 lbs/hour
1.62 lbs/year(B)
Beryllium:
≤ 7.56 lbs/year
0.000057 lbs/hour
0.22 lbs/year(B)
Cadmium:
≤ 4.91 lbs/year
0.0003563 lb/hour
1.35 lbs/year(B)
Scrap Metal
Hammermill Shredder (EQUI 1) Cascade Cleaning System (EQUI 2) Common Stack
(STRU 1)
Minn. R. ch. 4410;
Findings of 2011 EAW
Lead:
≤ 15.1 lbs/year
0.000800 lbs/hour
3.02 lbs/year(B)
Manganese:
≤ 33.2 lbs/year
0.001567 lbs/hour
5.92 lbs/year(B)
Nickel:
≤ 60.4 lbs/year
0.002167 lbs/hour
8.19 lbs/year(B)
Metals testing for emission factors, no current limits apply Aluminum 0.005554 lbs/hour
20.98 lbs/year(B)
Antimony 0.000222 lbs/hour
0.84 lbs/year(B)
Cobalt 0.000100 lbs/hour
0.38 lbs/year(B)
Copper 0.002467 lbs/hour
9.32 lbs/year(B)
Iron 0.04570 lbs/hour
172.65 lbs/year(B)
Selenium 0.000967 lbs/hour
3.65 lbs/year(B)
Vanadium 0.000200 lbs/hour
0.76 lbs/year(B)
Zinc 0.02493 lbs/hour
94.19 lbs/year(B)
Common Stack (STRU1) Minn. R. 7011.0715, subp. 1(B) Opacity: ≤ 20 % Opacity.  Opacity: 6.9%
  Minn. R. ch. 4410 Chromium compounds (Cr+6): ≤ 1.40 lb/year (The limit is on the weight of hexavalent chromium itself.) 0.79 lb/year (B)
    Mercury (Hg): ≤ 3.0 lb/year using 12-month Rolling Sum to be calculated by the 15th day of each month for the previous 12-month period as described later in this permit. 1.8890 lb/year (B)
  No applicable limit, tested for information gathering at the request of the MPCA Dioxins/Furans (D/F)

D/F: 0.00000000157 lb/hr

0.00000592 lb/yr (B)
    PCBs:

PCBs: 0.013593 lb/hr

51.36 lb/year (B)
    Volatile Organic Compounds (VOCs):

VOC: 39.55 lb/hr

149,419.90 lb/year (B)
    Asbestos: 0.000 lb/hr

Table References:
(A) Particulate Matter, PM10 and PM2.5 includes filterable plus organic and inorganic condensable particulate matter as determined by EPA Methods 5 and 202
(B) To compare the metals emissions test results to Permit 05300480-003 limits, the hourly test results were converted to an annual basis using 3,778 allowable hours of operation as limited by Permit 05300480-003