APPROVAL AND CERTIFICATION CENTER PART 33 DUST … · approval and certification center part 33 dust collecting systems approval date manufacturer p/t number model and type number

APPROVAL AND CERTIFICATION CENTER PART 33 DUST COLLECTING SYSTEMS APPROVAL DATE MANUFACTURER P/T NUMBER MODEL AND TYPE NUMBER ISSUED OF EQUIPMENT

Last Updated 12/12/18

1

25B-80 02/28/61 ACME -- SPHRD-1C ROOF DRILL 25B-82 03/02/61 ACME -- SPHRD-1 ROOF DRILL 25B-85 05/10/61 ACME -- DRILL JUMBO WITH

PERCUSSION DRILLS 25B-102 01/29/62 SUPERIOR -- S12VT STOPER

FILTER 25B-108 07/25/62 ACME -- 325RA4J-1A STOPER 25B-122 03/24/64 ACME -- SPHRD-2 ROOF DRILL 25B-123 08/23/64 GARDNER- -- RD-53 STOPER DRILL

DENVER CO. 25B-124 04/03/64 ACME -- SPHRD-2C ROOF DRILL 25B-136 12/08/65 LONG-AIRDOX -- LRB-12 ROOF DRILL 25B-137 01/07/66 ACME -- 475RA4 STOPER



2

25B-141 06/16/66 EIMCO -- 3520 TWIN BOOM ROOF

DRILL 25B-143 05/05/66 ACME -- 475-93C STOPER 25B-145 07/06/66 EIMCO -- 3500 DUAL BOOM ROOF

DRILL 25B-148 12/27/66 EIMCO -- 300 ROOF DRILL 25B-156 09/15/67 ACME -- D-3C ROOF DRILL 25B-157 09/21/67 ACME -- D-3 ROOF DRILL 25B-161 02/27/68 SIMMONS-RAND -- RBD 730-2 ROOF DRILL

TRANSFERRED TO LONG AIRDOX

25B-162 04/04/68 SIMMONS-RAND -- RBD-730 ROOF DRILL




3

25B-165 08/22/68 ACME -- D-5C ROOF DRILL 25B-168 12/26/68 SIMMONS-RAND -- CM45MR-1E/60 MINER

TRANSFERRED TO WITH ROOF DRILLS LONG AIRDOX

25B-169 03/13/69 ACME -- 325RA4J-1C DRILL JUMBO 25B-176 09/15/69 FLETCHER -- S-DEEB OR 15, C-2, S-5, R-

5 ROOF DRILL 25B-177 12/22/69 JOY -- RBD-81 ROOF DRILL 25B-184 03/01/71 LONG-AIRDOX -- LRB12 ROOF DRILL 25B-185 03/03/71 LONG-AIRDOX -- LRB-15 ROOF DRILL 25B-186 12/31/71 SIMMONS-RAND -- 830-36G ROOF DRILL




4

25B-187 03/26/71 PAUL'S P/T 1003 MARK IV ROOF REPAIR SHOP BOLTING MACHINE

25B-188 11/15/71 LONG-AIRDOX -- LRB-15 ROOF BOLTER 25B-190 01/10/72 ACME -- TWIN HEADED HIGH

ROOF DRILL 25B-191 01/28/72 ACME -- D-5 ROOF DRILL 25B-195 08/11/72 ACME -- PDT-2C TWIN HEADED

HIGH SEAM ROOF DRILL 25B-196 (no date) SIMMONS-RAND -- 930-DC ROOF DRILL


25B-197 03/06/73 LONG-AIRDOX -- LRB-12L ROOF BOLTER 25B-200 03/15/73 SIMMONS-RAND -- TD-1-24 ROOF DRILL




5

25B-202 07/02/73 LONG-AIRDOX -- LRB-12C DUAL BOOM

ROOF BOLTER 25B-204 06/05/74 LONG-AIRDOX -- LRB-15 ROOF BOLTER 25B-206 04/12/76 LONG-AIRDOX -- FSM-28 ROOF DRILL 25B-208 02/22/77 FLETCHER -- DDO-13/15, C-2/10 ROOF

DRILL 25B-209 10/20/75 FLETCHER -- DDO-13/15, C-10 ROOF

DRILL 25B-212 08/13/76 ACME -- SRB-C ROOF DRILL 25B-216 11/18/75 LONG-AIRDOX -- LRB-15A ROOF DRILL 25B-217 07/29/76 ACME -- D-2 ROOF DRILL 25B-219 03/29/78 LONG-AIRDOX -- LRB-15A ROOF DRILL



6

25B-221 05/28/76 FAIRCHILD -- WRDA COMPACT ROOF (Transferred to DRILL GE-Fairchild LLC) 25B-222 05/25/76 FAIRCHILD -- WRDD ROOF DRILL (Transferred to GE-Fairchild LLC) 25B-224 08/02/76 SIMMONS-RAND -- TD1-63-1-1R ROOF

TRANSFERRED TO DRILL LONG AIRDOX

25B-225 09/16/76 ACME -- PDT-2C ROOF DRILL 25B-226 08/19/76 ACME -- D-3C ROF DRILL 25B-227 08/18/76 ACME -- D-4C ROOF DRILL 25B-229 03/02/77 LONG-AIRDOX -- LRB-15MS ROOF DRILL 25B-230 05/11/77 LONG-AIRDOX -- LRB-12MS ROOF DRILL



7

25B-231 03/28/77 JOY -- RBD-81/1 ROOF DRILL 25B-235 11/22/77 FLETCHER -- DDM-11, C-2/10 DUAL

BOOM ROOF DRILL 25B-236 11/18/77 FLETCHER -- LTDO-7 ROOF DRILL 25B-237 03/09/77 EIMCO -- 320 ROOF DRILL 25B-239 05/16/77 BLACK -- WILDCAT ROOF BOLTER

DIAMOND 25B-240 12/07/77 JOY -- RBD-8B ROOF DRILL 25B-241 08/01/77 SIMMONS-RAND -- TD124-1-1-1K ROOF

TRANSFERRED TO BOLTER LONG AIRDOX

25B-244 02/06/78 FLETCHER -- MDO ROOF DRILL 25B-246 12/11/78 SIMMONS-RAND -- TD230 TWIN ARM ROOF

TRANSFERRED TO DRILL



8

LONG AIRDOX 25B-247 02/15/78 SIMMONS-RAND -- TD1-31-1-1L SINGLE

TRANSFERRED TO ARM ROOF BOLTER LONG AIRDOX

25B-248 02/15/78 EIMCO -- 370 ROOF DRILL 25B-249 04/30/79 JOY -- 12 CM 10 CONTINUOUS

MINER 25B-251 12/26/78 SIMMONS-RAND -- TD243 ROOF DRILL


25B-252 10/30/78 EPLINGS MFG -- DE-25 ROOF DRILL 25B-255 04/03/79 SIMMONS-RAND -- TD2-43 DUAL ARM ROOF


25B-256 05/23/79 SIMMONS-RAND -- TD2-30 DUAL ARM ROOF



9

TRASNFERRED TO DRILL LONG AIRDOX

25B-257 05/13/80 LONG-AIRDOX -- LRB-22 ROOF DRILL 25B-258 12/08/80 SCHROEDER -- S.B.C. DUAL ARM

BROTHERS ROOF BOLTER 25B-259 12/17/79 SIMMONS-RAND -- TD12-1-1-1E ROOF


25B-260 09/26/80 SIMMONS-RAND -- TD2-30 ROOF DRILL


25B-261 02/04/80 LONG-AIRDOX -- TSB-20 ROOF DRILL 25B-262 03/28/80 ACME -- D-9 ROOF DRILL 25B-263 10/20/80 ACME -- D-12 DUAL ARM ROOF

DRILL



10

25B-264 04/02/81 SIMMONS-RAND P/T 1012 TD2-36 DUAL ARM ROOF


25B-265 04/23/81 SIMMONS-RAND P/T 1012 TD2-34 DUAL ARM ROOF


25B-266 05/08/81 SIMMONS-RAND P/T 1026 TD1-29 ROOF DRILL

TRANSFERRED TO LONG AIRODX







11

25B-269 05/22/81 SIMMONS-RAND P/T 1026 TD1-36 ROOF DRILL TRANSFERRED TO LONG AIRODX



25B-271 05/29/81 SIMMONS-RAND P/T 1020-1 TD2-34 DUAL ARM ROOF

TRANSFERRED TO DRILL LONG AIRODX


TRASNFERRED TO DRILL LONG AIRODX


TRANSFERRED TO DRILL LONG AIRODX


TRANSFERRED TO



12

LONG AIRDOX 25B-275 06/17/81 SIMMONS-RAND P/T 1018 TD1-43 ROOF DRILL








25B-279 11/06/81 ACME -- D-11 ROOF DRILL 25B-280 11/23/81 LONG-AIRDOX -- LRB-22 ROOF DRILL



13

25B-281 11/20/81 EIMCO P/T 1022 3500/3510 DUAL ARM ROOF DRILL

25B-282 02/03/82 EIMCO P/T 1024-1 3500/3510 DUAL ARM

ROOF DRILL 25B-283 12/08/81 SIMMONS-RAND -- BB-1 BRIDGE BOLTER


25B-284 01/28/82 EIMCO P/T 1021-1 3500/3510 DUAL ARM

ROOF DRILL 25B-285 02/03/82 EIMCO P/T 1023-1 3500/3510 DUAL ARM



ROOF DRILL



14

25B-288 02/03/82 EIMCO P/T 1021-1 3500/3510 DUAL ARM ROOF DRILL

25B-289 02/03/82 EIMCO P/T 1021-1 380 ROOF DRILL 25B-290 02/03/82 EIMCO P/T 1022-1 380 ROOF DRILL 25B-291 02/03/82 EIMCO P/T 1023-1 380 ROOF DRILL 25B-292 02/10/82 EIMCO P/T 1024-1 380 ROOF DRILL 25B-293 02/03/82 EIMCO P/T 1023-1 3720 DUAL ARM ROOF

DRILL 25B-294 01/18/82 FLETCHER -- DDR-13/15 DUAL ARM

ROOF DRILL 25B-295 02/03/82 FLETCHER -- DDJ-13/15 DUAL ARM

ROOF DRILL 25B-296 02/03/82 FLETCHER -- DM-13/15 ROOF DRILL



15

25B-297 02/03/82 EIMCO P/T 1021-1 3720 DUAL ARM ROOF DRILL



25B-299 02/10/82 EIMCO P/T 1024-1 3720 DUAL ARM ROOF

DRILL 25B-300 02/19/82 LONG-AIRDOX -- LRB-16 ROOF DRILL 25B-301 02/19/82 LONG-AIRDOX -- LRB-16 ROOF DRILL 25B-302 03/18/82 EIMCO P/T 1023-1 320 ROOF DRILL 25B-303 03/18/82 EIMCO P/T 1021-1 320 ROOF DRILL 25B-304 03/18/82 EIMCO P/T 1024-1 320 ROOF DRILL 25B-305 03/18/82 EIMCO P/T 1022-1 320 ROOF DRILL



16

25B-306 04/27/82 EIMCO P/T 1021-1 350-50 ROOF DRILL 25B-307 04/27/82 EIMCO P/T 1023-1 350-50 ROOF DRILL 25B-308 04/27/82 EIMCO P/T 1024-1 350-50 ROOF DRILL 25B-309 04/27/82 EIMCO P/T 1028-1 350-50 ROOF DRILL 25B-310 05/12/82 SIMMONS-RAND P/T 1018 TD1-24 ROOF DRILL


25B-311 05/19/82 LONG-AIRDOX -- LRB-15AR ROOF DRILL 25B-312 05/19/82 LONG-AIRDOX -- LRB-15A ROOF DRILL 25B-313 06/09/82 LONG-AIRDOX -- LRB-25 ROOF DRILL 25B-314 06/18/82 SIMMONS-RAND -- TD2-34 DUAL ARM ROOF




17

25B-315 08/02/82 SIMMONS-RAND P/T 1019 TD1-43 ROOF DRILL TRANSFERRED TO LONG AIRDOX

25B-316 09/09/82 ACME -- DUAL ARM MINER BOLTER 25B-317 09/15/82 SIMMONS-RAND -- TD1-29 ROOF DRILL






25B-320 09/24/82 EIMCO P/T 1028-3 370 ROOF DRILL 25B-321 09/24/82 EIMCO P/T 1021-3 370 ROOF DRILL



18

25B-322 09/30/82 EIMCO P/T 1023-3 370 ROOF DRILL 25B-323 09/30/82 EIMCO P/T 1024-3 370 ROOF DRILL 25B-324 07/15/83 USBM -- ARTICULATED REMOTE

(SPOKANE) MANUAL BOLTER 25B-325 08/30/83 USBM -- RRB-1 ROOF BOLTER

(SPOKANE) 25B-326 09/23/83 ACME -- D-2 ROOF DRILL 25B-327 09/23/83 ACME -- D-2 ROOF DRILL 25B-328 10/25/83 EIMCO -- 3520-40 DUAL ARM ROOF

DRILL 25B-329 10/25/83 EIMCO -- 3520-40 DUAL ARM ROOF




19


DRILL 25B-332 10/17/83 USBM -- BOLTER MODULE MACHINE (SPOKANE) 25B-333 10/21/83 EIMCO P/T 1028-3 3520 DUAL ARM ROOF

DRILL 25B-334 10/21/83 EIMCO P/T 1024-3 3520 DUAL ARM ROOF



DRILL 25B-337 10/21/83 EIMCO P/T 1030 320 ROOF DRILL



20

25B-338 10/21/83 EIMCO P/T 1031 320 ROOF DRILL 25B-339 10/21/83 EIMCO P/T 1029 320 ROOF DRILL 25B-340 10/25/83 EIMCO -- 3500/3510 DUAL ARM

ROOF DRILL 25B-341 10/25/83 EIMCO -- 3500/3510 DUAL ARM

ROOF DRILL 25B-342 12/30/83 ACME -- D-3 ROOF DRILL 25B-343 12/30/83 ACME -- D-3 ROOF BOLTER 25B-344 03/08/84 JEFFREY -- 1036RB CONTINUOUS

MINER 25B-345 06/18/84 FAIRCHILD -- WRDA-J4EXH ROOF (Transferred to DRILL GE-Fairchild LLC)



21

25B-346 06/18/84 FAIRCHILD -- WRDA-J6EXH ROOF (Transferred to DRILL GE-Fairchild LLC) 25B-347 06/18/84 FAIRCHILD -- WRDA-J9EXH ROOF (Transferred to DRILL GE-Fairchild LLC) 25B-348 06/22/84 LONG-AIRDOX -- LRB-12L DUAL ARM ROOF

DRILL 25B-349 08/01/84 FLETCHER -- LTDO ROOF DRILL 25B-350 08/07/84 FAIRCHILD -- WRDD-J4EXH ROOF (Transferred to DRILL GE-Fairchild LLC) 25B-351 11/07/84 FAIRCHILD -- WRDD-J6EXH ROOF (Transferred to DRILL GE-Fairchild LLC)



22

25B-352 11/07/84 FAIRCHILD -- WRDD-J9EXH ROOF (Transferred to DRILL GE-Fairchild LLC) 25B-353 01/29/85 EIMCO P/T 1031 310 ROOF DRILL 25B-354 01/29/85 EIMCO P/T 1030 310 ROOF DRILL 25B-355 01/29/85 EIMCO P/T 1024-3 310 ROOF DRILL 25B-356 01/29/85 EIMCO P/T 1023-3 310 ROOF DRILL 25B-357 01/29/85 EIMCO P/T 1021-3 310 ROOF DRILL 25B-358 01/29/85 EIMCO P/T 1022-3 310 ROOF DRILL 25B-359 01/29/85 EIMCO P/T 1028-3 310 ROOF DRILL 25B-360 01/29/85 EIMCO P/T 1029 310 ROOF DRILL 25B-361 02/21/85 SIMMONS-RAND P/T 1032 TD12-3 DUAL ARM ROOF

TRANSFERRED TO DRILL



23

LONG AIRDOX 25B-362 04/09/85 SIMMONS-RAND -- TD12-4 DUAL ARM ROOF


25B-363 01/17/86 FLETCHER P/T 1034 DDO DUAL ARM ROOF

DRILL 25B-364 02/27/86 FLETCHER -- HDR-D ROOF DRILL 25B-365 01/14/86 SIMMONS-RAND -- TD2-34 DUAL ARM ROOF







24






25B-370 05/21/86 FLETCHER P/T 1038 DDR ROOF DRILL 25B-371 05/21/86 FLETCHER P/T 1038 DDJ ROOF DRILL 25B-372 05/22/86 FLETCHER P/T 1038 DDO DUAL ARM ROOF

DRILL 25B-373 05/22/86 FLETCHER P/T 1035 DDO DUAL ARM ROOF

DRILL 25B-374 05/22/86 FLETCHER P/T 1035 LTDO ROOF DRILL



25

25B-375 05/21/86 FLETCHER P/T 1037 DDR DUAL ARM ROOF

DRILL 25B-376 05/21/86 FLETCHER P/T 1037 DDJ DUAL ARM ROOF


DRILL 25B-378 05/22/86 FLETCHER P/T 1034 DDR DUAL ARM ROOF



DRILL 25B-381 03/13/86 ATLAS-COPCO -- 245LR SWELLBOLTER 25B-382 04/29/86 JEFFREY -- 1028HP-RB CONTINUOUS



26

MINER 25B-383 06/20/86 FLETCHER P/T 1034 DB ROOF DRILL 25B-384 06/20/86 FLETCHER P/T 1038 DB ROOF DRILL 25B-385 06/20/86 FLETCHER P/T 1033 DB ROOF DRILL 25B-386 06/20/86 FLETCHER P/T 1035 DB ROOF DRILL 25B-387 06/20/86 FLETCHER P/T 1037 DB ROOF DRILL 25B-388 06/20/86 FLETCHER P/T 1036 DB ROOF DRILL 25B-389 06/20/86 SIMMONS-RAND P/T 1039 TD-12 DUAL ARM ROOF


25B-390 06/20/86 SIMMONS-RAND P/T 1041 TD-12 DUAL ARM ROOF




27

25B-391 06/20/86 SIMMONS-RAND P/T 1040 TD-12 DUAL ARM ROOF TRANSFERRED TO DRILL LONG AIRDOX

25B-392 06/20/86 SIMMONS-RAND P/T 1042 TD-12 DUAL ARM ROOF


25B-393 06/20/86 FLETCHER P/T 1037 DR ROOF DRILL 25B-394 09/23/86 JOY P/T 1043 14CM CONTINUOUS

MINER WITH DUAL ARMS 25B-395 09/23/86 JOY P/T 1044 14CM CONTINUOUS

MINER WITH DUAL ARMS 25B-396 10/29/86 FLETCHER P/T 1033 LTDO ROOF DRILL 25B-397 10/29/86 FLETCHER P/T 1034 LTDO ROOF DRILL 25B-398 10/29/86 FLETCHER P/T 1037 LTDO ROOF DRILL



28

25B-399 10/29/86 FLETCHER P/T 1038 LTDO ROOF DRILL 25B-400 10/29/86 FLETCHER P/T 1048 12 CM CONTINUOUS

MINER WITH DUAL ARMS 25B-402 10/10/86 JOY P/T 1048 14 CM CONTINUOUS

MINER WITH DUAL ARMS 25B-403 01/20/87 FLETCHER P/T 1047 LTDO ROOF DRILL 25B-404 01/20/87 FLETCHER P/T 1045 LTDO ROOF DRILL 25B-405 01/20/87 FLETCHER P/T 1046 LTDO ROOF DRILL 25B-406 01/30/87 FLETCHER P/T 1045 DB ROOF DRILL 25B-407 01/30/87 FLETCHER P/T 1046 DB ROOF DRILL 25B-408 01/30/87 FLETCHER P/T 1047 DB ROOF DRILL 25B-409 01/30/87 FLETCHER P/T 1045 DDJ ROOF DRILL



29

25B-410 02/06/87 FLETCHER P/T 1046 DDJ DUAL ARM ROOF DRILL

25B-411 02/03/87 FLETCHER P/T 1047 DDJ DUAL ARM ROOF









30

DRILL 25B-418 04/09/87 FLETCHER P/T 1033 RRI ROOF DRILL 25B-419 04/09/87 FLETCHER P/T 1033 DDO DUAL ARM ROOF

DRILL 25B-420 04/09/87 FLETCHER P/T 1033 RRII DUAL ARM ROOF



DRILL 25B-423 04/13/87 FLETCHER P/T 1033 DDM DUAL ARM ROOF

DRILL 25B-424 04/30/87 FLETCHER -- RRI ROOF DRILL 25B-425 05/12/87 COGAR -- LSRD-36



31

25B-426 05/06/87 FLETCHER P/T 1034 RRI ROOF DRILL 25B-427 05/06/87 FLETCHER P/T 1035 RRI ROOF DRILL 25B-428 05/06/87 FLETCHER P/T 1037 RRI ROOF DRILL 25B-429 05/12/87 FLETCHER P/T 1038 RRI ROOF DRILL 25B-430 05/12/87 FLETCHER P/T 1045 RRI ROOF DRILL 25B-431 05/12/87 FLETCHER P/T 1046 RRI ROOF DRILL 25B-432 05/12/87 FLETCHER P/T 1047 RRI ROOF DRILL 25B-433 05/15/87 FLETCHER P/T 1036 LTDO ROOF DRILL 25B-434 05/15/87 FLETCHER P/T 1036 RRI ROOF DRILL 25B-435 05/15/87 FLETCHER P/T 1034 RRII DUAL ARM ROOF

DRILL



32

25B-436 05/21/87 FLETCHER P/T 1035 RRII DUAL ARM ROOF DRILL

25B-437 05/21/87 FLETCHER P/T 1037 RRII DUAL ARM ROOF









33

DRILL 25B-444 06/04/87 FAIRCHILD -- FRDA-J6EXH ROOF (Transferred to DRILL GE-Fairchild LLC) 25B-445 06/04/87 FAIRCHILD -- FRDA-J6EXH ROOF (Transferred to DRILL GE-Fairchild LLC) 25B-446 06/04/87 FAIRCHILD -- FRDA-J9EXH ROOF (Transferred to DRILL GE-Fairchild LLC) 25B-447 07/21/87 FLETCHER P/T 1035 DDJ DUAL ARM ROOF





34

DRILL 25B-450 07/28/87 SCHROEDER -- RBD-1004 DUAL ARM

ROOF DRILL 25B-451 07/28/87 SCHROEDER -- RBD-1004 DUAL ARM

ROOF DRILL 25B-452 07/21/87 FLETCHER P/T 1034 DDM DUAL ARM ROOF



DRILL 25B-455 07/24/87 FLETCHER P/T 1033 DM ROOF DRILL 25B-456 07/24/87 FLETCHER P/T 1034 DM ROOF DRILL 25B-457 07/24/87 FLETCHER P/T 1034 DM ROOF DRILL



35

25B-458 07/28/87 SCHROEDER -- RBD-1004 DUAL ARM

ROOF DRILL 25B-459 07/30/87 FLETCHER P/T 1035 DM ROOF DRILL 25B-460 07/30/87 FLETCHER P/T 1036 DM ROOF DRILL 25B-461 08/12/87 FLETCHER -- DM ROOF DRILL 25B-462 07/30/87 FLETCHER P/T 1037 DM ROOF DRILL 25B-463 08/03/87 FLETCHER P/T 1037 DDM DUAL ARM ROOF






36


DRILL 25B-468 08/12/87 FLETCHER P/T 1037 DM ROOF DRILL 25B-469 08/12/87 FLETCHER P/T 1037 DM ROOF DRILL 25B-470 08/12/87 FLETCHER P/T 1038 DM ROOF DRILL 25B-471 08/11/87 FLETCHER P/T 1038 DM ROOF DRILL 25B-472 08/11/87 FLETCHER P/T 1045 DM ROOF DRILL 25B-473 08/11/87 FLETCHER P/T 1046 DM ROOF DRILL 25B-474 08/12/87 FLETCHER P/T 1047 DM ROOF DRILL 25B-475 08/20/87 FLETCHER P/T 1033 DR ROOF DRILL 25B-476 08/20/87 FLETCHER P/T 1037 DR ROOF DRILL



37

25B-477 08/20/87 FLETCHER P/T 1037 DR ROOF DRILL 25B-478 08/20/87 FLETCHER P/T 1037 DR ROOF DRILL 25B-479 08/20/87 FLETCHER P/T 1038 DR ROOF DRILL 25B-480 08/20/87 FLETCHER P/T 1038 DR ROOF DRILL 25B-481 08/20/87 FLETCHER P/T 1034 DR ROOF DRILL 25B-482 08/20/87 FLETCHER P/T 1034 DR ROOF DRILL 25B-483 08/20/87 FLETCHER P/T 1035 DR ROOF DRILL 25B-484 08/20/87 FLETCHER P/T 1036 DR ROOF DRILL 25B-485 08/20/87 FLETCHER -- DR ROOF DRILL 25B-486 08/27/87 FLETCHER P/T 1045 DR ROOF DRILL 25B-487 09/02/87 FLETCHER P/T 1046 DR ROOF DRILL



38

25B-488 09/02/87 FLETCHER P/T 1047 DR ROOF DRILL 25B-489 01/26/88 FLETCHER P/T 1045 DR-D ROOF DRILL 25B-490 03/14/88 EIMCO P/T 1030 3500-3510 ROOF DRILL 25B-491 04/01/88 EIMCO P/T 1029 3500-3510 ROOF DRILL 25B-492 04/01/88 EIMCO P/T 1031 3500-3510 ROOF DRILL 25B-493 05/05/88 JEFFREY -- 1036 HP-SRB

CONTINUOUS MINER 25B-494 08/15/88 FLETCHER P/T 1051 LTDO ROOF DRILL 25B-495 08/19/88 FLETCHER P/T 1049 LTDO ROOF DRILL 25B-496 08/19/88 FLETCHER P/T 1050 LTDO ROOF DRILL 25B-497 08/19/88 FLETCHER P/T 1049 RRI ROOF DRILL



39

25B-498 09/01/88 FLETCHER P/T 1050 RRI ROOF DRILL 25B-499 09/01/88 FLETCHER P/T 1051 RRI ROOF DRILL 25B-500 09/13/88 JOY P/T 1052 14 CM SATELLITE MINER-

BOLTER 25B-501 09/30/88 JEFFREY -- 1040 HP-SRB

CONTINUOUS MINER 25B-502 06/02/89 EIMCO P/T 1053 3500-3510 ROOF DRILL 25B-503 07/18/89 JEFFREY -- 1040 HP-SRB

CONTINUOUS MINER 25B-504 08/09/89 JOY P/T 1057 14 CM SATELLITE MINER-

BOLTER 25B-505 11/07/89 EIMCO P/T 1053 MODEL 350 ROOF DRILL 25B-506 04/02/90 JOY P/T 1044 MODEL 12 CM MINER-

BOLTER



40

25B-507 05/31/90 JOY P/T 1052 MODEL 12 CM MINER-

BOLTER 25B-508 10/10/90 EIMCO MINING P/T 1023 MODEL NO. 300 ROOF

DRILL 25B-509 04/08/91 LONG-AIRDOX -- MODEL LRB-25C ROOF

DRILL 25B-510 05/31/91 SIMMONS-RAND -- DUAL ARM MDL TD2-30

TRANSFERRED TO ROOF DRILL LONG AIRDOX

25B-511 05/31/91 SIMMONS-RAND -- DUAL ARM MDL TD2-30 TRANSFERRED TO ROOF DRILL LONG AIRDOX

25B-512 05/31/91 SIMMONS-RAND -- SINGLE ARM MDL

TRANSFERRED TO SR100-LB ROOF DRILL LONG AIRDOX

25B-513 08/22/91 FLETCHER P/T 1061 RRI ROOF DRILL



41

25B-514 08/22/91 FLETCHER P/T 1060 RRI ROOF DRILL 25B-515 08/22/91 FLETCHER P/T 1059 RRI ROOF DRILL 25B-516 09/02/91 FLETCHER P/T 1056 RRI ROOF DRILL 25B-517 09/09/91 FLETCHER P/T 1057 RRI ROOF DRILL 25B-518 09/09/91 FLETCHER P/T 1061 LTDO ROOF DRILL 25B-519 09/09/91 FLETCHER P/T 1060 LTDO ROOF DRILL 25B-520 09/09/91 FLETCHER P/T 1059 LTDO ROOF DRILL 25B-521 09/09/91 FLETCHER P/T 1056 LTDO ROOF DRILL 25B-522 09/09/91 FLETCHER P/T 1055 LTDO ROOF DRILL 25B-523 09/09/91 FLETCHER P/T 1051 DR ROOF DRILL 25B-524 09/09/91 FLETCHER P/T 1050 DR ROOF DRILL



42

25B-525 09/09/91 FLETCHER P/T 1049 DR ROOF DRILL 25B-526 09/09/91 FLETCHER P/T 1051 DM ROOF DRILL 25B-527 09/10/91 FLETCHER P/T 1050 DM ROOF DRILL 25B-528 09/10/91 FLETCHER P/T 1049 DM ROOF DRILL 25B-529 09/18/91 JEFFREY -- 1036 CONTINUOUS

MINER 25B-530 02/22/93 FLETCHER P/T 1061 SINGLE ARM, MODEL DR

ROOF DRILL 25B-531 02/22/93 FLETCHER P/T 1060 SINGLE ARM, MODEL DR





43


ROOF DRILL 25B-535 02/22/93 FLETCHER P/T 1059 SINGLE ARM, MODEL DM





ROOF DRILL 25B-540 03/24/93 FLETCHER P/T 1055 SINGLE ARM, MODEL DB

ROOF DRILL



44

25B-541 03/24/93 FLETCHER P/T 1056 SINGLE ARM, MODEL DB ROOF DRILL

25B-542 03/24/93 FLETCHER P/T 1059 SINGLE ARM, MODEL DB



ROOF DRILL 25B-545 07/06/93 FLETCHER P/T 1049 MODEL DB ROOF DRILL 25B-546 07/06/93 FLETCHER P/T 1050 MODEL DB ROOF DRILL 25B-547 07/06/93 FLETCHER P/T 1051 MODEL DB ROOF DRILL 25B-548 05/13/93 INDRESCO MODEL 1036/1038

CONTINUOUS MINER



45

25B-549 05/25/93 WESTFALIA MODEL BBS4815-FB31

MINING PROGRESS BELT BENDER SNAKE TRANSFERRED TO MTA WITH INTEGRAL FEEDER

BREAKER 25B-550 07/19/93 FLETCHER P/T 1060 DUAL ARM, MODEL DDO

ROOF DRILL 25B-551 07/19/93 FLETCHER P/T 1061 DUAL ARM, MODEL DDO

ROOF DRILL 25B-552 07/19/93 FLETCHER P/T 1059 DUAL ARM MODEL RRII



ROOF DRILL



46

25B-555 07/19/93 FLETCHER P/T 1059 DUAL ARM MODEL DDO ROOF DRILL

25B-556 06/09/94 LONG AIRDOX MDL. RB2-56AT

ROOF DRILL 25B-557 06/23/94 FLETCHER P/T-1060 MDL. DDR ROOF DRILL 25B-558 06/23/94 FLETCHER P/T-1061 MDL. DDR ROOF DRILL 25B-559 06/23/94 FLETCHER P/T-1059 MDL. DDJ ROOF DRILL 25B-560 06/23/94 FLETCHER P/T-1060 MDL. DDJ ROOF DRILL 25B-561 06/23/94 FLETCHER P/T-1061 MDL. DDJ ROOF DRILL 25B-562 06/23/94 FLETCHER P/T-1059 MDL. DDR ROOF DRILL 25B-563 06/28/94 FLETCHER P/T-1059 MDL. DDM ROOF DRILL 25B-564 06/28/94 FLETCHER P/T-1060 MDL. DDM ROOF DRILL



47

25B-565 06/28/94 FLETCHER P/T-1061 MDL. DDM ROOF DRILL 25B-566 07/08/94 FLETCHER P/T-1049 MDL. RRII ROOF DRILL 25B-567 07/08/94 FLETCHER P/T-1050 MDL. RRII ROOF DRILL 25B-568 07/08/94 FLETCHER P/T-1051 MDL. RRII ROOF DRILL 25B-569 07/08/94 FLETCHER P/T-1055 MDL. RRII ROOF DRILL 25B-570 07/08/94 FLETCHER P/T-1056 MDL. RRII ROOF DRILL 25B-571 07/08/94 FLETCHER P/T-1049 MDL. DDO ROOF DRILL 25B-572 07/11/94 FLETCHER P/T-1050 MDL. DDO ROOF DRILL 25B-573 07/11/94 FLETCHER P/T-1051 MDL. DDO ROOF DRILL 25B-574 07/11/94 FLETCHER P/T-1055 MDL. DDO ROOF DRILL 25B-575 07/11/94 FLETCHER P/T-1056 MDL. DDO ROOF DRILL



48

25B-576 07/11/94 FLETCHER P/T-1049 MDL. DDJ ROOF DRILL 25B-577 07/21/94 FLETCHER P/T-1050 MDL. DDJ ROOF DRILL 25B-578 07/22/94 FLETCHER P/T-1051 MDL. DDJ ROOF DRILL 25B-579 07/22/94 FLETCHER P/T-1055 MDL. DDJ ROOF DRILL 25B-580 07/22/94 FLETCHER P/T-1056 MDL. DDJ ROOF DRILL 25B-581 07/22/94 FLETCHER P/T-1049 MDL. DDR ROOF DRILL 25B-582 07/22/94 FLETCHER P/T-1050 MDL. DDR ROOF DRILL 25B-583 07/22/94 FLETCHER P/T-1051 MDL. DDR ROOF DRILL 25B-584 08/30/94 FLETCHER P/T-1055 MDL. DDR ROOF DRILL 25B-585 08/30/94 FLETCHER P/T-1056 MDL. DDR ROOF DRILL 25B-586 08/30/94 FLETCHER P/T-1049 MDL. DDM ROOF DRILL



49

25B-587 09/01/94 FLETCHER P/T-1050 MDL. DDM ROOF DRILL 25B-588 09/01/94 FLETCHER P/T-1051 MDL. DDM ROOF DRILL 25B-589 09/01/94 FLETCHER P/T-1055 MDL. DDM ROOF DRILL 25B-590 09/26/94 FLETCHER P/T-1046-1 MDL. RRII ROOF DRILL 25B-591 09/26/94 FLETCHER P/T-1049-1 MDL. RRII ROOF DRILL 25B-592 09/23/94 FLETCHER P/T-1056 MDL. DDM ROOF DRILL 25B-593 09/23/94 FLETCHER P/T-1050-1 MDL. RRII ROOF DRILL 25B-594 09/23/94 FLETCHER P/T-1055-1 MDL. RRII ROOF DRILL 25B-595 09/23/94 FLETCHER P/T-1056-1 MDL. RRII ROOF DRILL 25B-596 09/23/94 FLETCHER P/T-1046-1 MDL. DDO ROOF DRILL 25B-597 09/23/94 FLETCHER P/T-1049-1 MDL. DDO ROOF DRILL



50

25B-598 10/12/94 FLETCHER P/T-1050-1 MDL. DDO ROOF DRILL 25B-599 10/12/94 FLTECHER P/T-1055-1 MDL. DDO ROFF DRILL 25B-600 10/12/94 FLETCHER P/T-1056-1 MDL. DDO ROOF DRILL 25B-601 10/14/94 INDRESCO MDL. 1040 CONT. MINER W/ INTEGRATED ROOF DRILL 25B-602 01/26/95 LONG-AIRDOX MDL. RB2 ROOF BOLTER 25B-603 01/15/97 J.F. FLETCHER P/T-1051-1 MDL. DR-D ROOF DRILL 25B-604 01/21/97 J.H. FLETCHER P/T-1051-1 MDL. DM ROOF DRILL 25B-605 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. DR ROOF DRILL 25B-606 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. DB ROOF DRILL 25B-607 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. LTDO ROOF DRILL



51

25B-608 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. DDR ROOF DRILL 25B-609 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. RRI ROOF DRILL 25B-610 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. PDB ROOF DRILL 25B-611 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. RRII ROOF DRILL 25B-612 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. DDO ROOF DRILL 25B-613 01/15/97 J.H. FLETCHER P/T-1051-1 MDL. DDJ ROOF DRILL 25B-614 01/21/97 J.H. FLETCHER P/T-1051-1 MDL. DDM ROOF DRILL 25B-615 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. DR-D ROOF DRILL 25B-616 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. RRII ROOF DRILL 25B-617 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. DDO RROF DRILL 25B-618 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. DDJ ROOF DRILL



52

25B-619 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. DDR ROOF DRILL 25B-620 01/22/97 J.H. FLETCHER P/T-1035-1 MDL. DDM ROOF DRILL 25B-621 01/21/97 J.H. FLETCHER P/T-1035-1 MDL. DM ROOF DRILL 25B-622 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. DR ROOF DRILL 25B-623 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. DB ROOF DRILL 25B-624 01-15-97 J.H. FLETCHER P/T-1035-1 MDL. LTDO ROOF DRILL 25B-625 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. RRI ROOF DRILL 25B-626 01/15/97 J.H. FLETCHER P/T-1035-1 MDL. PDB ROOF DRILL 25B-627 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. DDJ ROOF DRILL 25B-628 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. DM ROOF DRILL 25B-629 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. DDR ROOF DRILL



53

25B-630 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. DDM ROOF DRILL 25B-631 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. DR ROOF DRILL 25B-632 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. LTDO ROOF DRILL 25B-633 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. RRI ROOF DRILL 25B-634 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. DB ROOF DRILL 25B-635 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. DR-D ROOF DRILL 25B-636 01/15/97 J.H. FLETCHER P/T-1046-1 MDL. PDB ROOF DRILL 25B-638 02/07/97 J.H. FLETCHER P/T-1049-1 MDL. DDR ROOF DRILL 25B-648 02/07/97 J.H. FLETCHER P/T-1050-1 MDL. DDR ROOF DRILL 25B-650 03/27/97 J.H. FLETCHER P/T-1055-1 MDL. DM ROOF DRILL 25B-657 04/01/97 J.H. FLETCHER P/T-1055-1 MDL. DDR ROOF DRILL



54

25B-658 03/27/97 J.H. FLETCHER P/T-1055-1 MDL. DDM ROOF DRILL 25B-660 03/27/97 J.H. FLETCHER P/T-1055-1 MDL. DR ROOF DRILL 25B-661 03/27/97 J.H. FLETCHER P/T-1055-1 MDL. DB ROOF DRILL 25B-662 03/27/97 J.H. FLETCHER P/T-1055-1 MDL. LTDO ROOF DRILL 25B-663 03/27/97 J.H. FLETCHER P/T-1055-1 MDL. RRI ROOF DRILL 25B-664 03/27/97 J.H. FLETCHER P/T-1055-1 MDL. DDJ ROOF DRILL 25B-665 06/18/97 J.H. FLETCHER P/T-1055-1 MDL. DR-D ROOF DRILL 25B-666 06/18/97 J.H. FLETCHER P/T-1055-1 MDL. PDB ROOF DRILL 25B-667 10/08/97 J.H. FLETCHER P/T-1056 MDL. DR-D ROOF DRILL 25B-669 10/08/97 J.H. FLETCHER P/T-1059 MDL. DR-D ROOF DRILL 25B-670 10/08/97 J.H. FLETCHER P/T-1036 MDL. DR-D ROOF DRILL



55

25B-671 10/08/97 J.H. FLETCHER P/T-1046-1 MDL. DR-D ROOF DRILL 25B-672 10/08/97 J.H. FLETCHER P/T-1061 MDL. DR-D ROOF DRILL 25B-673 10/08/97 J.H. FLETCHER P/T-1050-1 MDL. DR-D ROOF DRILL 25B-674 10/08/97 J.H. FLETCHER P/T-1033 MDL. DR-D ROOF DRILL 25B-676 10/08/97 J.H. FLETCHER P/T-1055 MDL. DR-D ROOF DRILL 25B-677 10/10/97 J.H. FLETCHER P/T-1034 MDL. DR-D ROOF DRILL 25B-678 10/10/97 J.H. FLETCHER P/T-1051-1 MDL. DR-D ROOF DRILL 25B-679 10/10/97 J.H. FLETCHER P/T-1060 MDL. DR-D ROOF DRILL 25B-680 10/08/97 J.H. FLETCHER P/T-1047 MDL. DR-D ROOF DRILL 25B-681 01/12/99 TAMROCK VAB DUST COLLECTION SYS. 25B-1000 02/16/99 J.H. FLETCHER P/T-2000 MDL. DDR 4-DRILLHEAD



56

25B-1001 02/16/99 J.H. FLETCHER P/T-2001 MDL. DDO 25B-1008 05/24/99 J.H. FLETCHER P/T-2016 MDL RRII ROOF DRILL 25B-1014 06/17/99 EIMCO COAL MINING MACH. MDL 3510 ROOF DRILL 25B-1015 08/20/99 J.H. FLETCHER P/T-2013 MDL. DB ROOF DRILL 25B-1016 08/20/99 J.H. FLETCHER P/T-2013 MDL. PDB ROOF DRILL 25B-1017 08/20/99 J.H. FLETCHER P/T-2013 MDL. DR ROOF DRILL 25B-1018 08/20/99 J.H. FLETCHER P/T-2013 MDL. DR-D ROOF DRILL 25B-1019 08/20/99 J.H. FLETCHER P/T-2013 MDL. DDR ROOF DRILL 25B-1020 08/20/99 J.H. FLETCHER P/T-2013 MDL. RRI ROOF DRILL 25B-1021 08/20/99 J.H. FLETCHER P/T-2013 MDL. RRII ROOF DRILL 25B-1022 08/20/99 J.H. FLETCHER P/T-2013 MDL. DM ROOF DRILL



57

25B-1023 08/20/99 J.H. FLETCHER P/T-2013 MDL. DMM ROOF DRILL 25B-1024 08/20/99 J.H. FLETCHER P/T-2013 MDL. DDO ROOF DRILL 25B-1025 08/20/99 J.H. FLETCHER P/T-2013 MDL. LTDO ROOF DRILL 25B-1026 08/20/99 J.H. FLETCHER P/T-2013 MDL. DDJ ROOF DRILL 25B-1039 06/19/01 J.H. FLETCHER P/T-2018 MDL. DDR ROOF DRILL 25B-1040 02/15/01 J.H. FLETCHER P/T-2015 MDL DB ROOF DRILL 25B-1041 02/23/01 J.H. FLETCHER P/T-2015 MDL PDB ROOF DRILL 25B-1042 02/23/01 J.H. FLETCHER P/T-2015 MDL DR ROOF DRILL 25B-1043 02/15/01 J.H. FLETCHER P/T-2015 MDL DR-D ROOF DRILL



58

25B-1044 01/30/01 J.H. FLETCHER P/T-2015 MDL DDR ROOF DRILL 25B-1045 02/15/01 J.H. FLETCHER P/T-2015 MDL RRI ROOF DRILL 25B-1046 01/30/01 J.H. FLETCHER P/T-2015 MDL RRII ROOF DRILL 25B-1047 02/15/01 J.H. FLETCHER P/T-2015 MDL DM ROOF DRILL 25B-1048 02/15/01 J.H. FLETCHER P/T-2015 MDL DDM ROOF DRILL 25B-1049 01/30/01 J.H. FLETCHER P/T-2015 MDL DDO ROOF DRILL 25B-1050 02/15/01 J.H. FLETCHER P/T-2015 MDL LTDO ROOF DRILL 25B-1051 02/15/01 J.H. FLETCHER P/T-2015 MDL DDJ ROOF DRILL 25B-1052 02/23/01 J.H. FLETCHER P/T-2012 MDL DB ROOF DRILL 25B-1053 02/23/01 J.H. FLETCHER P/T-2012 MDL PDB ROOF DRILL 25B-1054 02/23/01 J.H. FLETCHER P/T-2012 MDL DR ROOF DRILL



59

25B-1055 02/23/01 J.H. FLETCHER P/T-2012 MDL DR-D ROOF DRILL 25B-1056 01/30/01 J.H. FLETCHER P/T-2012 MDL DDR ROOF DRILL 25B-1057 02/23/01 J.H. FLETCHER P/T-2012 MDL RRI ROOF DRILL 25B-1058 01/30/01 J.H. FLETCHER P/T-2012 MDL RRII ROOF DRILL 25B-1059 02/23/01 J.H. FLETCHER P/T-2012 MDL DM ROOF DRILL 25B-1060 02/23/01 J.H. FLETCHER P/T-2012 MDL DDM ROOF DRILL 25B-1061 01/30/01 J.H. FLETCHER P/T-2012 MDL DDO ROOF DRILL 25B-1062 02/23/01 J.H. FLETCHER P/T-2012 MDL LTDO ROOF DRILL 25B-1063 02/23/01 J.H. FLETCHER P/T-2012 MDL DDJ ROOF DRILL 25B-1064 09/07/01 JOY MINING MACH. INTEGRAL DUST

COLLECTING SYSTEM



60

33-MA070001 02/15/07 J.H. FLETCHER P/T-2008 MODEL DB ROOF DRILL 33-MA070002 02/15/07 J.H. FLETCHER P/T-2008 MODEL PDB ROOF DRILL 33-MA070003 02/15/07 J.H. FLETCHER P/T-2008 MODEL DR ROOF DRILL 33-MA070004 02/15/07 J.H. FLETCHER P/T-2008 MODEL DR-D ROOF DRILL 33-MA070005 02/15/07 J.H. FLETCHER P/T-2008 MODEL DDR ROOF DRILL 33-MA070006 02/15/07 J.H. FLETCHER P/T-2008 MODEL RRI ROOF DRILL 33-MA070007 02/15/07 J.H. FLETCHER P/T-2008 MODEL RRII ROOF DRILL 33-MA070008 02/15/07 J.H. FLETCHER P/T-2008 MODEL DM ROOF DRILL 33-MA070009 02/15/07 J.H. FLETCHER P/T-2008 MODEL DDM ROOF DRILL 33-MA070010 02/15/07 J.H. FLETCHER P/T-2008 MODEL DDO ROOF DRILL



61

33-MA070011 02/15/07 J.H. FLETCHER P/T-2008 MODEL LTDO ROOF DRILL 33-MA070012 02/15/07 J.H. FLETCHER P/T-2008 MODEL DDJ ROOF DRILL 33-MA070013 02/15/07 JOY MINING P/T-1052-1 MODEL ED MINER/ROOF DRILL 33-MA070014 02/15/07 JOY MINING P/T-1052-1 MODEL DMU ROOF DRILL 33-MA090001 02/10/09 SANDVIK MODEL DM100 ROOF DRILL MINING & CONSTRUCTION 33-MA090002 12/30/09 SANDVIK FOUR HEAD, MAST FEED, MINING & CONSTRUCTION MODEL ARO 4B00-1832-WT MOBILE BOLTER 33-MA110002 11/02/11 JOY MINING MACHINERY INTEGRAL DUST

COLLECTION SYSTEM MODEL 12ED MINER/ROOF DRILL



62

33-MA120001 09/14/12 J.H. FLETCHER SINGLE HEAD, TELESCOPING ARM FEED, MODEL CHDR-D/P DIESEL POWERED ROOF DRILL 33-MA130001 05/15/13 SANDVIK MINING MODEL DM2000 SERIES ROOF AND CONSTRUCTION USA LLC DRILL 33-MA150001 07/13/15 J.H. Fletcher Model DDR 6 HD-17 Roof Drill 33-MA170001 12/29/17 Shumar’s Welding & Integral Dust Collecting Machine Services, Inc System for Panline Roof And Rib Bolter 33-MA170002 12/29/17 Shumar’s Welding & Integral Dust Collecting Machine Services, Inc System for Panline Roof And Rib Bolter



63

33-MA180001 11/27/18 J.H. FLETCHER & CO MODEL DDR 4HD ROOF DRILL

Documents

APPROVAL AND CERTIFICATION CENTER PART 33 DUST … · approval and certification center part 33 dust collecting systems approval date manufacturer p/t number model and type number