Document jmxbMM9BvpKBz9BXVB4XzbvBk

20212 PROPOSED RULE MAKING entitled to protection m trade tccrelt of tf) "Alr-rwcpt drilling" means the were treated In fabric filter Installations ( (uch perton. Die Administrator shall consider such records, reports, or In* formation, or particular part thereof, confidential In accordance with the pur poses of section 1005 of title 18 of the process of drilling holes in the ofiJth in the presence of a forced or induced air stream, but not a liquid stream or mlstcoutainlng stream. <r> "Wet dfiljipg" means the process as described in I Cl23(d). (c) Emissions to the atmosphere from bulldlncs. structures, or facilities within which any fabricating or manufacturing operation Is carried on shall be limited os .VI United States Code, except that such of drillinc holes In the earth In Uic pres follows: records, reports, or information, or par ence of a forced liquid stream or mJst- (1) Emissions, In direct forced gas ticular part thereof, may be disclosed to other officers, employees, or authorized representatives of the United States con tented Tilth carrying out the provisions of the Aet or when relevant in any pro ceeding under the Act. conlaining stream. (hi "Particulate matter" means any material, other than uncomblned water, which exists in a finely divided form as a liquid or solid. (l) "Asbestos tailings" means any streams, of particulate matter resulting from manufacturing or fabricating oper ations shall not exceed the amounts which would be emitted If such forced exhausts were treated In labric filter In stallations as described In (Cl 23(d) or. (1.14 Stale anlliorily. The provisions of this part shall not be construed In any manner to preclude any State or political subdivision thereof from: (a) Adopting and enforcing any emis sion standard or limitation applicable to a stationary source provided that such emission standard or limitation Is not less stringent than the national emission standard lor hazardous air pollutants ap plicable to such source. <b) Requiring the owner or operator solid waste product of asbestos mining or milling operations which contains asbestos. (J) "Visible emission" means, for the purpose ot this subpart, any emission which Is visually detectable. (k) "Asbestos mill" means any facility engaged In the conversion of asbestos ore into commercial asbestos. (l) "Monufacturing operation" means the processing of- commercial asbestos or the production of any product containing commercial asbestos. (m) "Fabricating" means the cutting, where approved by the Administrator because of special process condi!ions. In wet collectors os described In 1 Cl.23(f). (2) Emissions of particulate matter from any manufacturing or fabricating operation which continuously generates visible emissions shall not exceed the amount which would be emitted If the air contalniog such emissions were treated In fabric filler Installations as described in ( CI.23(di or, where approved by the Administrator because of special process conditions. In wet collectors as described In i 6123(f). of a stationary, source to obtain permits, licenses, or approvals prior to Initiating construction, modification, or operation of such source. Subpart 6--Nolionoh Emission Stoncforc/s for A oesfos ( 61.20 Applicability. The provisions of this subpart are ap plicable to the following sources of at* mospherlc asbestos: shaping, assembly, mixing or other al tering of any manufactured product con taining commercial asbestos. ( 61.22 Emixion Mandardi for atlieilot. (a> Emissions to the atmosphere from asbestos mines shall be limited as follows: (1) Emissions of particulate matter from air-swept or dry drilling operations shall not exceed those which would bo emitted from an air-swept or dry drill, resi>ccUvely. equipped with a fabric filler (3) Visible emissions of parUculate matter frpm any manufacturing or fabri cating operations In an area directly open to the atmosphere arc prohibited. <d> Visible emissions to the atmos- phere of asbestos particulate matter resulting from the repair or demolition of any building or structure, other than a single-family dwelling are prohibited. (cI The 6praytng of asbestos Is limited > os follows t- (1) Thd spraying of any product which ( Asbestos mines; Asbestos mills: liuUdlnf.s, structures, or faculties vtthls vhJcli manufacturing or fabrlcatlog opera* lions tnsotvtnc the use ot commercial as bestos are carried on: SuUdlogs or structures which ha** been or vUI b# constructed or modified using ssbertos device for collection of dust generated from drilling, as described in i 61.23(a). (5) Emissions of particulate matter from wet drillinc operations shall not ex ceed those which would be emitted from a wet drill equipped with a cyclone gas cleaning device for collection of dust- or contains asbestos on any portion of a building or structure Is prohibited. (2) The spraying of any product which contains asbestos in an area directly open to the atmosphere Is prohibited. (3) Emissions of particulate matter ; , from spraying of any product which con- -5. :u Insulating products; mist generated from drilling as described tains asbestos. If such spraying Is not Roadway facilities which would be surfaced in | 61.23(b). specifically prohibited In subparagraphs * or resurfaced vslog asbestos taUIng*. (3> Visible emissions of particulate (X) or (2) of this paragraph, shall not (61.21 Definitions. matter from any mine road surfaced with exceed the amounts which would be asbestos tailings are prohibited. emitted If the air containing such emls- " As used In this subpart, all terms not (b) Emissions to the atmosphere from sions were treated in fabric filter instal defined herein shall have the meaning asbestos mills shall be limited as follows: lations as described In I 61.23(d) or. given In the Aet and In Subpart A of this (1) Visible emissions ot particulate where approved by the Administrator be part. matter from asbestos ore dumps, open cause of special process conditions, in (a) 'Asbestos" means any of alx nat storage areas for asbestos-containing wet collectors os described in t 61.23(f). urally occurring, hydrated mineral sill* materials, external conveyors for as- (t> The surfacing or resurfacing of cates: Actinollte. omoslte. snthophylhte, bestos-conUlrUng materials, or asbestos- any roadway with asbestos tailings is chmotlle. croctdollte. and tremolite. (b> "Commercial asbestos" moons any variety of asbestos which is produced by the concentration of asbestos ore. (c) "Asbestos mine" means any facu containing tailings dumps are prohibited. (2) Emissions of particulate matter from asbestos ore dryers shall not exceed those which would be emitted from as bestos ore dryers equipped with fabric prohibited. g 61.23 Referenced equipment specifi cations. (a> Fabric filters referred to tn I 61.22 r lty engaged in the extraction of asbestos filter installations as described in I 6123 re from the earth for the purpose of (c). recovering commercial asbestos. (3) Emissions of particulate matter <d> "Air flow permeability" means the from air streams used to process as volumetric rate of air flow In efm. pro bestos ores or for exhaustlnc particulate duced by a pressure decrease of 04 in. matter resulting from muting operations vg. ocroar a now, clean filtering fabrlo, shall not exceed the amounts which divided by the area of tha fabric in ft*. would be emitted if such air streams were The test air stream is maintained at -treated in fabric filter Installations as nominal atmospheric pressure and described in 16123(d). temperature. (4) Emissions of particulate matter <e> "Dry drilling- means the process from any milling operation which con of drilling holes in the earth in the ab sence of an applied liquid stream, mistcontaining stream or air stream. tinuously generates- visible emissions shall not exceed the amount* which would be emitted If such air streams (a)(1) are equipped with fabrics haring airflow pcrmeobilitles not exceeding <0 cfmflt'. <b> Cyclone coUcctors referred to in 161.22(a)(2) ore operated at not less than T In. w.g. pressure decrease as meas ured from the cyclone inlet to the outlet. (e> Fabric filters referred to in i 61.22 (b) (3) are equipped with fabrics haring airflow permeabilities not exceeding 30 cfm/ft*. (d> Fabric filters referred to tn I 61J2 Cb> (3) and (4). <c> (1) and (2). and (e)(3) are equipped with woven cotton fabrics haring airflow permeabilities not ftDfgAl IlCimt, VOL 96, NO. JJ4--TUIIOAY, PtCIMSU T, Hri . '. 8000 ) 335 go-V PRODUCED BY FORD