Source

Emissions Unit

Source Test Results

DEQ Comment

Pre-1970 Boilers > 0.10 gr/dscf

Boise Cascade (Pilot Rock)

30-0016

Early 1940s Babcock & Wilcox Dutch-oven boilers, 2 @ 20,000 lb steam/hr, 1 @ 8,000 lb steam/hr;

Backup to NG fired boiler.

Boiler 1: 0.08-0.17 and 0.4% (6 tests);

Boiler 3: 0.08-0.19 and 0-1% (8 tests); Boiler 4: 0.06-0.10 (4 tests)

Different from other Dutch oven boilers with multiclones?

Columbia Forest Products

18-0014

1944 C& E Dutch oven BLR-S w/multiclone, 35,000 lb steam/hr

1939 EF Huffman Dutch oven BLR-N at 12,500 lb steam/hr)

BLR-S: 0.08 – 0.19 (11 tests); 5 – 17% (10 tests);

BLR-N: 0.09 – 0.14 (3 tests); 1 – 5% (3 tests)

Frank Lumber

22-2525

1969 Wyatt & Kipper spreader stoker boiler, 30,000 lb/hr steam, w/multiclone

’89 - 0.19

’97- 0.178

‘04 -0.137

’09 - 0.137

Interfor Pacific

18-0005

1939 Wickes Dutch oven boilers (2), 50,000 lb/hr ea, multiclones, economizer

Common stack – can comply with 0.1 during normal operations. Boiler 1 – 6% and 0.11; Boiler 2 – 2% and 0.15

Could run boiler harder, thinking of boiler changes to comply with boiler MACT, don’t want to be a synthetic minor

Swanson Group Roseburg

10-0030

1968 Kipper boilers, pin hole grate, mechanical stoker, 31,800 lb steam/hr w/multiclone

0.17 at 26,800 #/hr steam

> 26,800 then NG boiler starts up.

Post-1970 Boilers > 0.10 gr/dscf

Collins (Fremont Sawmill)

19-0002

’75 Wickes Dutch oven, 18,000 lb/yr, multiclone;

’89 Trane-Murray Dutch oven, 24,000 lb/hr multiclone

Boiler 1: 0.13

Boiler 2: 0.09

0.1 gr/dscf permit limit

Prineville Sawmill

07-0021

HFB

0.16 gr/dscf

0.1 gr/dscf permit limit,

not operating

Umpqua Lumber

10-0027

1975 Wellons boiler w/multiclone, 20,000 lb/hr

0.12 gr/dscf

0.1 gr/dscf permit limit

Asphalt Plants

Harney Rock and Paving

13-0010

Asphalt plant

19% and 0.22 (‘99)

Humbert Asphalt

37-0112

Asphalt plant

0.11 - 7/03

Rogers Asphalt Paving

31-0001

Asphalt plant

0.11