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26.11.16.00.htm 26.11.16.00. Title 26 DEPARTMENT OF THE ENVIRONMENT Subtitle 11 AIR QUALITY Chapter 16 Procedures Related to Requirements for Toxic Air Pollutants Authority: Environment Article, §1-101, 1-404, 2-101―2-103, 2-301―2-303, 10-102, and 10-103, Annotated Code of Maryland
26.11.16.01.htm 26.11.16.01. 01 Definitions.. The terms defined in COMAR 26.11.15 also apply throughout this chapter..
26.11.16.02.htm 26.11.16.02. 02 Demonstrating Compliance with COMAR 26.11.15.06.. A. Screening Analysis.. 1) Carcinogenic Effects. A person may demonstrate that emissions of a Class I TAP from a premises will not unreasonably endanger human health because of potential carcinogenic effects by a screening analysis showing that total allowable emissions from the premises will not cause increases in ambient levels that exceed the risk-based screening level for the TAP.2) Other Toxic Effects..
26.11.16.03.htm 26.11.16.03. 03 Screening Levels.. A. Screening Levels for Toxic Effects Other than Cancer.. 1) TLV-Based Screening Levels. TLV-based screening levels shall be determined as follows:. a) If a toxic air pollutant (TAP) has a threshold limit value-time weighted average (TLV-TWA) divide the TLV-TWA by 100 to calculate an 8-hour time-weighted average screening level;b) If a TAP has a ceiling TLV (TLV-C) or a short term exposure limit (TLV-STEL) divide the TLV-C or TLV-STEL by 100 to calcul
26.11.16.04.htm 26.11.16.04. 04 Scientific Review and Amendment of Various Levels and Lists.. A. Ongoing Scientific Review.. 1) In order to use the best available scientific information, the Department will conduct an ongoing review of information concerning whether to add or delete toxic air pollutants under Regulations .06 and .07 of this chapter and concerning what screening levels or ambient concentrations should be used to review emissions of toxic air pollutants. In its ongoing review, the
26.11.16.05.htm 26.11.16.05. 05 Procedures for Requesting Special Permits.. A. Applicability.. 1) A person who cannot demonstrate that a premises discharging a Class I TAP complies with COMAR 26.11.15.06 using a risk-based screening level may submit a written request for the Department to establish allowable emissions for the premises in a special permit.2) The Department will issue a special permit to specify the maximum allowable emissions of any Class I TAP discharged from t3) Except as provided by
26.11.16.06.htm 26.11.16.06. 06 Class I Toxic Air Pollutants.. A. Known Human Carcinogens.. CAS Number. Substance. 1). 92-67-1. 4-Aminobiphenyl;. 2). Analgesic mixtures containing phenacetin;. 3). Arsenic and inorganic arsenic compounds;. 4). Asbestos;. 5). 466-86-6. Azathioprine (purine). 6). 71-43-2. Benzene;. 7). 92-87-5. Benzidine;. 8). 55-98-1. 1,4-Butanediol dimethanesulphonate;. 9). 305-03-3. Chlorambucil;. 10). 1-2 Chloroethyl)3-4 methylcyclohexyl)1 nitrosourea (methyl CCNU). 11). 494-03-1.
26.11.16.07.htm 26.11.16.07. 07 Toxic Air Pollutants for Existing Sources.. A. Class I Toxic Air Pollutants Requiring Ambient Impact Analysis by Existing Sources.. CAS Number. Substance. Compliance Date. 1). 60-35-5. Acetamide. 11-9-92;. 2). 79-06-1. Acrylamide. 3). 107-13-1. Acrylonitrile. 7-1-90;. 4). 151. Arsenic and inorganic compounds. 5). 1332-21-4. Asbestos. 6). 71-43-2. Benzene. 7). 92-87-5. Benzidine. 8). 50-32-8. Benzo(a)pyrene. 9). Beryllium and compounds. 10). 542-88-1. Chloromethyl methyl ether.
26.11.16.08.htm 26.11.16.08. 08 Examples of Nuisance Particulates and Simple Asphyxiants.. A. The substances listed in §B of this regulation are examples of nuisance particulates and simple asphyxiants.B. List of Substances.. CAS Number. Substance. 1) 74-86-2. Acetylene. 2) 1344-28-1. Aluminum oxide. 3) 6484-52-2. Ammonium nitrate. 4) 7440-37-1. Argon. 5) 7727-43-7. Barium sulfate. 6) 1317-65-3. Calcium carbonate. 7) 1344-95-2. Calcium silicate (synthetic). 8) 7778-18-9. Diatomaceous earth (uncalcined).
26.11.16.09.htm 26.11.16.09. 09 Levels Used to Review Ambient Impacts.. A. Special Screening Levels (SSL) and Acceptable Ambient Levels (AAL). CAS Number. Substance. Concentration (micrograms/ cubic meter). Averaging Time. Type of Level. 1). 7664-41-7. Ammonia (a) (b). 300. 450.. 8 hours 1 hour. AAL AAL. 2). 124-38-9. Carbon Dioxide (a) (b) (c) (d). 288,000. 2,088,000. 900,000. 2,700,000.. 8 hours 1 hour 8 hours 1 hour. SSL SSL AAL AAL. 3). 10049-04-4. Chlorine Dioxide (a) (b). 5. 15.. 4). 611-19-8.
26.11.16.9999.htm 26.11.16.9999. Administrative History Effective date:. Chapter revised and recodified from COMAR 26.11.15.07B―14 to COMAR 26.11.16 effective October 5, 1998 (25:20 Md. R. 1533)
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