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					                                         MINISTRY OF                        Environmental Protection

                                        ENVIRONMENT



                                 DRAFT ONLY FOR REVIEW

                                              PERMIT
                                           PA-15832(03)
                       Under the Provisions of the Environmental Management Act

                                         Roxul (West) Inc.
                                     6526 Industrial Parkway
                                   Grand Forks, British Columbia
                                            V0H 1H0

is authorized to discharge contaminants to the air from a rock wool manufacturing facility
located in Grand Forks, British Columbia, subject to the conditions listed below. Contravention
of any of these conditions is a violation of the Environmental Management Act and may result in
prosecution. The location of the facilities from which the discharge originates and the location
of all points of discharge is Lot 3, DL 534 SDYD Plan 17928 except plan 29359. The facility is
located at 6526 Industrial Parkway, in Grand Forks.
    •   Description Of New Works
        Prior to January 1, 2009, the permittee shall complete the installation of the following
        improvements to the works:
        (a)     the melter discharge to be routed through a new cyclone, after-burner, heat
                exchanger and bag house;

        (b)     the spinner chamber and curing oven discharges will be combined with the east
                and west curing oven hood discharges and routed through a new settling chamber
                and filter;

        (c)     construction of a new 75 meter stack containing four individual exhaust pipes for:

                (i)       the melter;

                (ii)      the spinner chamber curing oven and fume hoods;

                (iii)     the cooling zone; and

                (iv)      the pipe curing stack.


Date issued: February 22, 1999                      __________DRAFT ONLY_______________________
Date amended: XXXX                                  M.J. Reiner
(most recent)                                       for Director, Environmental Management Act
                                                    Kootenay and Okanagan Regions
Page 1 of 11                                        Permit Number: PA-15832(03)
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1.      AUTHORIZED DISCHARGES

        1.1.     [deleted - <insert date of permit amendment>]
        1.2.     This section applies to the discharge of air contaminants from the
                 SPINNER/CURING OVEN/FUME HOOD STACK. The site reference
                 number for this discharge is E236179.
                1.2.1 Prior to the installation and operation of the new works, described above,
                and the addition of the fume hood (east and west) discharge (Section 1.5), the
                maximum rate of discharge shall be 3000 cubic meters per minute, 24 hours per
                day, 7 days per week. Thereafter, the maximum authorized rate of discharge shall
                be 4900 cubic metres per minute, 24 hours per day, 7 days per week.

                1.2.2 Prior to the installation and operation of the new works, described above,
                the maximum concentration of total particulate matter in the discharge shall not
                exceed 35 milligrams per cubic meter. Thereafter, and no later than January 1,
                2009, the maximum concentration of total particulate matter in the discharge shall
                not exceed 19 milligrams per cubic metre.

                1.2.3 The concentration of formaldehyde in the discharge shall not exceed 8
                milligrams per cubic metre.

                1.2.4 During periods of maintenance, the permittee may vent the curing oven for
                shut-down and start-up procedures through the Cooling Zone Stack (Section 1.3)
                up to a maximum of 30 minutes in duration, for no more than 2 hours per week
                and up to a cumulative maximum of 40 hours per year.

                1.2.5 Prior to the installation and operation of the new works, described above,
                the authorized works are a filter, fan and stack, approximately located as #2 as
                shown on attached Site Plan A. Thereafter, the authorized works are a settling
                chamber, batt filter, fan and stack, with related appurtenances, approximately
                located as #2 as shown on attached Site Plan B.

        1.3.     This subsection applies to the discharge of contaminants from the COOLING
                 ZONE. The site reference number for this discharge is E236185.
                1.3.1 The maximum authorized rate of discharge is 700 cubic metres per minute
                for 24 hours per day, 7 days per week.

                1.3.2 The concentration of total particulate matter in the discharge shall not
                exceed 15 milligrams per cubic metre.

                1.3.3 The concentration of formaldehyde shall not exceed 8 milligrams per
                cubic metre.




Date Issued: February 22, 1999                      __________DRAFT ONLY______________________
Date Amended: XXXXX                                 M.J. Reiner
(most recent)                                       for Director, Environmental Management Act
                                                    Kootenay and Okanagan Regions
Page 2 of 11                                        Permit Number: PA-15832(03)
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                                 DRAFT ONLY FOR REVIEW                               Environmental Protection



                1.3.4 During start-up and shut-down of the Curing Oven, for purposes of
                scheduled maintenance and repair, the emissions authorized in Section 1.2.4 may
                be directed through the Cooling Zone pollution control works.

                1.3.5 The authorized works are an electric fan-powered vent and a stack, with
                related appurtenances approximately located as #3 as shown on attached Site Plan
                B. Until such time as the new works are installed and operational, the discharge is
                shown as #3 on attached Site Plan A.

        1.4.     This subsection applies to the discharge of contaminants from DUST
                 COLLECTION - LINE. The site reference number for this discharge is
                 E236187.
                1.4.1 The maximum authorized rate of discharge is 550 cubic metres per
                minute. The frequency and duration of discharge shall be 24 hours per day, 7
                days per week.

                1.4.2 The concentration of total particulate matter in the discharge shall not
                exceed 5 milligrams per cubic metre.

                1.4.3 The authorized works are a baghouse and related appurtenances
                approximately located as #4 as shown on attached Site Plans A and B.

        1.5.     This subsection applies to the discharge of contaminants from FUME HOODS –
                 CURING OVENS – EAST and WEST. The site reference number for this
                 discharge is E242618.
                1.5.1 Prior to the installation and operation of the new works, described above,
                the maximum rate of discharge shall be 500 cubic meters per minute, 24 hours per
                day, 7 days per week. Thereafter, the discharge shall be combined with the
                discharge in 1.2, above, and this section shall be deleted from the permit.

                1.5.2 In the interim, prior to the deletion of this discharge point, the maximum
                concentration of total particulate matter in the discharge shall not exceed 10
                milligrams per cubic meter.

                1.5.3 In the interim, prior to the deletion of this discharge point, the maximum
                concentration of formaldehyde shall not exceed 10 milligrams per cubic meter.

                1.5.4 The authorized works are a fan, stack and related appurtenances
                approximately located as #5 as shown on attached Site Plan A.




Date Issued: February 22, 1999                      __________DRAFT ONLY______________________
Date Amended: XXXXX                                 M.J. Reiner
(most recent)                                       for Director, Environmental Management Act
                                                    Kootenay and Okanagan Regions
Page 3 of 11                                        Permit Number: PA-15832(03)
PROVINCE OF
BRITISH COLUMBIA
                                 DRAFT ONLY FOR REVIEW                                Environmental Protection



        1.6.     [deleted – combined with 1.5 <insert date of permit amendment>]
        1.7.     [deleted – <insert date of permit amendment>]
        1.8.     This subsection applies to the discharge of contaminants from the PIPE
                 CURING STACK. The site reference number for this discharge is E236192.
                1.8.1 The maximum authorized rate of discharge is 1300 cubic metres per
                minute. The frequency and duration of discharge is 24 hours per day, 7 days per
                week.

                1.8.2 The concentration of total particulate matter in the discharge shall not
                exceed 16 milligrams per cubic metre.

                1.8.3 The concentration of formaldehyde shall not exceed 8 milligrams per
                cubic metre.

                1.8.4 The authorized works are batt filters and a stack, with related
                appurtenances, approximately located as #8 as shown on attached Site Plan B.
                Until such time as the new works are installed and operational, the discharge is
                shown as #8 on attached Site Plan A

        1.9.     This subsection applies to the discharge of contaminants from PIPE DUST
                 COLLECTION. The site reference number for this discharge is E236190.
                1.9.1 The maximum authorized rate of discharge is 300 cubic metres per minute
                for 24 hours per day, 7 days per week.

                1.9.2 The concentration of total particulate matter in the discharge shall not
                exceed 5 milligrams per cubic metre.

                1.9.3 The authorized works are a baghouse, and related appurtenances,
                approximately located as #9 as shown on attached Site Plans A and B.

        1.10.    This subsection applies to the discharge of contaminants from two PSM –
                 ROOM VENTS. The site reference number for this discharge is E242617.
                1.10.1 The maximum authorized rate of discharge is 200 cubic metres per minute
                for 24 hours per day, 7 days per week.

                1.10.2 The concentration of total particulate matter in the discharge shall not
                exceed 10 milligrams per cubic metre.

                1.10.3 The concentration of formaldehyde shall not exceed 8 milligrams per
                cubic metre.

                1.10.4 The authorized works are vents, and related appurtenances approximately
                located as #10 as shown on attached Site Plans A and B.


Date Issued: February 22, 1999                      __________DRAFT ONLY______________________
Date Amended: XXXXX                                 M.J. Reiner
(most recent)                                       for Director, Environmental Management Act
                                                    Kootenay and Okanagan Regions
Page 4 of 11                                        Permit Number: PA-15832(03)
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        1.11.    This subsection applies to the discharge of contaminants from the MELTER
                 VENT. The site reference number for this discharge is E236193.
                1.11.1 The maximum authorized rate of discharge is 215 cubic meters per
                minute. The frequency and duration of discharge is 24 hours per day, 7 days per
                week.

                1.11.2 The concentration of total particulate matter in the discharge shall not
                exceed 19 milligrams per cubic metre

                1.11.3 Prior to the installation and operation of the new works, described above,
                the authorized works are a convection vent and stack, with related appurtenances
                approximately located as #11, as shown on attached Site Plan A. Thereafter, the
                authorized works are a cyclone, afterburner, heat exchanger, baghouse and a
                stack, with related appurtenances approximately located as #11, as shown on
                attached Site Plan B.

        1.12.    This subsection applies to the discharge of contaminants from MELTER VENT
                 OVERHEAT RELIEF.
                1.12.1 The discharge rate is typical of convection of heated air. The frequency
                and duration of discharge is a cumulative maximum of 2 hours per week.

                1.12.2 The characteristics of discharge shall be typical of electric melter vent
                emissions.

                1.12.3 During normal operations, including start-up and shut down procedures,
                all melter vent emissions shall be directed to the pollution control works
                authorized in section 1.11.3.

                1.12.4 This bypass is necessitated from time to time to protect downstream
                pollution control works from damage in the event of an electric furnace overheat
                situation. The authorized works are a vent chimney and related appurtenances
                approximately located as #12, as shown on Site Plan B.


2.      GENERAL REQUIREMENTS

        2.1.     Terminology
                 The following definitions shall apply to terms and acronyms wherever they occur
                 in this permit:

                 Director means the Director of Waste Management, or his/her designate, as
                 defined in the Environmental Management Act

                 PM means particulate matter


Date Issued: February 22, 1999                      __________DRAFT ONLY______________________
Date Amended: XXXXX                                 M.J. Reiner
(most recent)                                       for Director, Environmental Management Act
                                                    Kootenay and Okanagan Regions
Page 5 of 11                                        Permit Number: PA-15832(03)
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                                 DRAFT ONLY FOR REVIEW                                Environmental Protection



                 PM10 means particulate matter with a mean aerodynamic diameter of 10 microns
                 or less (also known as inhalable particulate)

                 PM2.5 means particulate matter with a mean aerodynamic diameter of 2.5 microns
                 or less (also known as respirable particulate)

                 K means degrees Kelvin (also oK)

                 kPa means kilopascals

                 Opacity means the degree to which an emission obscures the view of an observer
                 expressed numerically from 0 percent (transparent) to 100 percent (opaque).

        2.2.     Maintenance of Works

                 The permittee shall inspect the authorized works regularly and maintain them in
                 good working order. The permittee must notify the Regional Manager,
                 Environmental Protection, of any malfunction of these works.
        2.3.     Bypasses

                 The discharge of contaminants which have bypassed the authorized treatment
                 works is prohibited unless the approval of the Director is obtained and confirmed
                 in writing.
        2.4.     Emergency Procedures

                 In the event of an emergency which prevents compliance with a requirement of
                 this permit, that requirement shall be suspended for such time as the emergency
                 continues or until otherwise directed by the Director provided that:

                 (a) Due diligence was exercised in relation to the process, operation or event
                 which caused the emergency and that the emergency occurred notwithstanding
                 this exercise of due diligence;

                 (b) The Regional Manager, Environmental Protection, is immediately notified of
                 the emergency; and

                 (c) It can be demonstrated that everything possible is being done to restore
                 compliance in the shortest possible time.

                 Notwithstanding (a), (b) and (c) above, the Director may require the operation to
                 be suspended or production levels to be reduced to protect the environment while
                 the situation is corrected.




Date Issued: February 22, 1999                       __________DRAFT ONLY______________________
Date Amended: XXXXX                                  M.J. Reiner
(most recent)                                        for Director, Environmental Management Act
                                                     Kootenay and Okanagan Regions
Page 6 of 11                                         Permit Number: PA-15832(03)
PROVINCE OF
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                                   DRAFT ONLY FOR REVIEW                                Environmental Protection



        2.5.     Process Modifications, Dispersion Modelling and Assessment

                 The permittee shall notify the Director prior to implementing significant changes
                 to any process that may result in the quality and/or quantity of the discharge
                 exceeding any limits set out in this permit. Notification shall be accompanied by
                 a predictive impact modelling and assessment report, prepared by a qualified
                 consultant. Written response from the Director to the notification must be
                 obtained prior to implementing the process modifications.
        2.6.     Spill Reporting

                 The permittee shall report all spills to the environment (as defined in the Spill
                 Reporting Regulation) immediately in accordance with the Spill Reporting
                 Regulation. Notification shall be via the Provincial Emergency Program at 1-800-
                 663-3456.
        2.7.     Standard Temperature and Pressure

                 All air and gaseous volumes specified in this permit are at standard conditions.
                 These are:
                         Standard Temperature      293.15 K
                         Standard Pressure         101.325 kPa
                         Water Vapour              zero



3.      MONITORING AND REPORTING REQUIREMENTS

        3.1.     Stack Sampling and Monitoring
                The permittee shall arrange with a qualified consultant to sample and monitor the
                following authorized discharges and submit the data for each to the Regional
                Environmental Protection Manager. The permittee shall ensure that production
                levels are within 5% of normal rates prior to and during the monitoring events:

                Subsection 1.2 (Spinning Chamber, Curing Oven and Fume Hoods Stack) –
                Discharge rate; total particulate; PM10 particulate; PM2.5 particulate; condensable
                particulate; total formaldehyde;

                Subsection 1.3 (Cooling Zone) – Discharge rate; total particulate; PM10
                particulate; PM2.5 particulate; condensable particulate; total formaldehyde;

                Subsection 1.4 (Dust Collection - Line) – Discharge rate; total Particulate; PM10
                particulate; PM2.5 particulate; condensable particulate;




Date Issued: February 22, 1999                       __________DRAFT ONLY______________________
Date Amended: XXXXX                                  M.J. Reiner
(most recent)                                        for Director, Environmental Management Act
                                                     Kootenay and Okanagan Regions
Page 7 of 11                                         Permit Number: PA-15832(03)
PROVINCE OF
BRITISH COLUMBIA
                                 DRAFT ONLY FOR REVIEW                                 Environmental Protection



                Subsection 1.8 (PSM - Curing Stack) – Discharge rate; total particulate; PM10
                particulate; PM2.5 particulate; condensable particulate; total formaldehyde;

                Subsection 1.9 (PSM – Dust collection) – Discharge rate; total particulate; PM10
                particulate; PM2.5 particulate; condensable particulate;

                Subsection 1.10 (PSM – Room Vents (2)) – Discharge rate; total particulate;
                PM10 particulate; PM2.5 particulate; condensable particulate; total formaldehyde
                (for each vent if possible);

                Subsection 1.11 (Melter Vent) – Discharge rate; total particulate; PM10
                particulate; PM2.5 particulate; condensable particulate.

        3.2.     Stack Sampling and Monitoring Frequency

                 The permittee shall undertake this sampling and monitoring program once in 2007
                 and again in 2008. The permittee shall repeat this sampling and monitoring
                 program not later than 90 days from the date of installation and start-up of the
                 new works authorized under this amended permit, and no later than April 1, 2009.
                 If the new works are installed and operational in 2008, the requirement to
                 undertake the 2008 stack sampling and monitoring program is waived, provided
                 that the program is carried out within 90 days of start-up of the new works.

                 Thereafter, the permittee shall undertake an annual stack sampling and monitoring
                 program, the requirements of which are subject to the approval of the Director.
                 The annual stack sampling program shall be carried out on a date convenient to
                 the permittee, and the results reported to the Regional Manager within 90 days of
                 the completion of the monitoring.

                 Notwithstanding the annual requirement, the permittee shall also carry out a stack
                 monitoring program within 60 days of the completion of any significant changes
                 to the quantity or quality of any discharges, and the results similarly reported
                 within 90 days. In this instance, only those discharges having been modified
                 require monitoring.

                 The permittee shall provide notice to the Director at least 30 days prior to
                 undertaking stack monitoring.

                 The permittee may request a review of the monitoring and reporting requirements
                 in this permit.




Date Issued: February 22, 1999                       __________DRAFT ONLY______________________
Date Amended: XXXXX                                  M.J. Reiner
(most recent)                                        for Director, Environmental Management Act
                                                     Kootenay and Okanagan Regions
Page 8 of 11                                         Permit Number: PA-15832(03)
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        3.3.     Miscellaneous discharges

                 Visual monitoring of the unquantified discharges authorized in this permit,
                 (including, but not limited to the venting of curing oven emissions for
                 maintenance purposes in section 1.3 and melter overheat relief vent emissions in
                 section 1.12) may be carried out by Environmental Protection Program staff as
                 part of an ambient monitoring program for the entire facility. Based on these
                 monitoring results, the permit holder may be required to undertake additional
                 source monitoring and/or install additional pollution control works.
        3.4.     Opacity and Visibility Improvement

                 The Director may require the holder of this permit to monitor and record the
                 opacity of the melter vent during start up and or any or all of the other stacks that
                 may have opacity issues associated with them.

                 After January 1, 2009, the permittee shall ensure that opacity of discharges from
                 the individual or combined stack discharge authorized by sections 1.2, 1.3, 1.8
                 and 1.11 (75 meter stack) averages less than 15%. The Director may require the
                 permittee to measure and record the opacity from the individual or combined
                 stack discharges specified above, either by way of a certified opacity reader or by
                 way of a monitoring instrument acceptable to the Director.

        3.5.     Reporting

                 The permittee shall maintain all discharge-related monitoring data for inspection
                 and, submit the data, except for opacity records, suitably tabulated, to the
                 Regional Environmental Protection Manager, on behalf of the Director, within 90
                 days of completion of monitoring. The permittee shall also cause to have the
                 results of monitoring available to the public, in a manner and within such a period
                 of time that is agreeable to the Director.

                 The permittee shall submit a report to the Regional Environmental Protection
                 Manager, on behalf of the Director once per calendar year, within 90 days of the
                 start of the year, summarizing the ambient monitoring (if any) and discharge
                 monitoring that was undertaken in the previous year, including any modelling and
                 assessment of the impacts of those discharges monitored. The report shall also
                 include summaries of any pollution prevention initiatives, complaints and
                 resolutions, emergency conditions and bypasses of treatment works and any
                 proposals for further improvements in discharge characteristics or pollution
                 prevention being considered by the permittee.




Date Issued: February 22, 1999                        __________DRAFT ONLY______________________
Date Amended: XXXXX                                   M.J. Reiner
(most recent)                                         for Director, Environmental Management Act
                                                      Kootenay and Okanagan Regions
Page 9 of 11                                          Permit Number: PA-15832(03)
PROVINCE OF
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        3.6.     Environmental Impact
                 Inspections of the site may be carried out by ministry staff as a part of routine
                 administration procedures. Based on these inspections, and any other information
                 available to the Director, with regard to the effect of the discharge on the
                 receiving environment, the permittee may be required to undertake additional
                 monitoring, environmental impact assessment and/or install additional pollution
                 prevention measures.

        3.7.     Pollution Prevention
                 The permittee shall investigate methods of pollution prevention, including, but not
                 limited to, formaldehyde-reduced resins, formaldehyde-free resins, alternate
                 feedstock formulations, alternate curing processes, enhanced dispersion works
                 and/or, emission treatment technologies.

        3.8.     Odours

                 In conjunction with the requirements of section 3.7, the permittee shall undertake
                 a program aimed at suppressing phenolic odours arising from curing practises and
                 other processes at the facility. The permittee shall report on the number and
                 nature of complaints received, if any, and actions taken to resolve those
                 complaints, as part of the annual report required under this permit.
        3.9.     Sampling and Analytical Procedures
                 The permittee shall ensure that the sampling and monitoring requirements
                 specified above are carried out by a suitably qualified person, in accordance with
                 the appropriate procedures listed in the table below. Alternative test methods may
                 be used provided that the alternative test methods are authorized by the Director
                 prior to performing the sampling. Test methods for parameters not listed below
                 require the consent of the Director.

                DISCHARGES TO AIR, AMBIENT AIR:
                          Parameter                         Sampling Procedure                    Analytical Procedure
                Particulate Matter                  Stationary Emission Testing Code -       BC Environmental Laboratory
                Rate of Discharge (flow rate)       contained in British Columbia Field      Manual for the Analysis of Water,
                Gaseous emissions                   Sampling Manual for Continuous           Waste Water, Sediment, and
                Total Mill Particulate (dustfall)   Monitoring plus the Collection of Air,   Biological Material 1994 edition
                                                    Air-Emission, Water, Wastewater, Soil,   including Supplement #2 the BC
                                                    Sediment, and Biological Samples,        Environmental Lab Manual for the
                                                    1996 Permittee Edition                   Analysis of Discrete Ambient Air
                                                                                             Samples, July 1998
                Visual opacity                      Source Testing Code for the Visual                      N/A
                                                    Measurement of The Opacity of
                                                    Emissions from Stationary Sources,
                                                    1994.




Date Issued: February 22, 1999                                     __________DRAFT ONLY______________________
Date Amended: XXXXX                                                M.J. Reiner
(most recent)                                                      for Director, Environmental Management Act
                                                                   Kootenay and Okanagan Regions
Page 10 of 11                                                      Permit Number: PA-15832(03)
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                                 DRAFT ONLY FOR REVIEW                                Environmental Protection



                 The above manuals are available from Queen's Printer Publications Centre, P.O.
                 Box 9452, Stn. Prov. Govt, Victoria, BC, V8W 9V7 (1-800-663-6105 or
                 (250)387-4609).

        3.10.    Dispersion Modelling and Predictive Impact Assessment

                 The permittee shall ensure that all atmospheric dispersion modelling and reports
                 predicting the impact of discharges on the environment and human receptors are
                 performed by a suitably qualified person in accordance with Ministry standards
                 and guidelines, as determined by the Regional Meteorologist or the Director.

        3.11.    Ambient Air Quality

                 The Director may require that the permittee undertake or participate in ambient air
                 quality monitoring, air quality advisory committees, air quality dispersion and
                 impact prediction and related studies. The Director may impose limits on the
                 daily emission contaminant loadings, based on these and/or other studies of air
                 quality impact.
                 Specifically, the permittee, either individually or in collaboration with other
                 industries and agencies in the Grand Forks Industrial Park, shall undertake fine
                 particulate dispersion modelling by December 31, 2008, in order to predict the
                 impact of existing and planned emissions of inhalable (PM10) and respirable
                 (PM2.5) particulates. This formalizes the requirement contained in the letter from
                 the Assistant Regional Environmental Protection Manager dated February 27,
                 2007.

                 The Director may impose limits on the daily emission contaminant loadings,
                 based on these and/or other studies of air quality impact.




Date Issued: February 22, 1999                       __________DRAFT ONLY______________________
Date Amended: XXXXX                                  M.J. Reiner
(most recent)                                        for Director, Environmental Management Act
                                                     Kootenay and Okanagan Regions
Page 11 of 11                                        Permit Number: PA-15832(03)

				
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