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e-CFR data is current as of September 28, 2020

Title 40Chapter ISubchapter NPart 426 → Subpart D


Title 40: Protection of Environment
PART 426—GLASS MANUFACTURING POINT SOURCE CATEGORY


Subpart D—Plate Glass Manufacturing Subcategory


Contents
§426.40   Applicability; description of the plate glass manufacturing subcategory.
§426.41   Specialized definitions.
§426.42   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§426.43   [Reserved]
§426.44   Pretreatment standards for existing sources.
§426.45   Standards of performance for new sources.
§426.46   Pretreatment standards for new sources.
§426.47   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

Source: 39 FR 5714, Feb. 14, 1974, unless otherwise noted.

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§426.40   Applicability; description of the plate glass manufacturing subcategory.

The provisions of this subpart are applicable to discharges of pollutants resulting from the process in which several mineral ingredients (sand, soda ash, limestone, dolomite, cullet and other ingredients) are melted in a furnace, pressed between rollers, and finally ground and polished to form plate glass.

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§426.41   Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

(b) The term “cullet” shall mean any broken glass generated in the manufacturing process.

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§426.42   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in §§125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days shall not exceed—
   Metric units (kg/kkg of product)
TSS2.76.138
pH(1)(1)
   English units (lb/ton of product)
TSS5.522.76
pH(1)(1)

1Within the range 6.0 to 9.0.

[39 FR 5714, Feb. 14, 1974, as amended at 60 FR 33958, June 29, 1995]

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§426.43   [Reserved]

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§426.44   Pretreatment standards for existing sources.

Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.

Pollutant or pollutant propertyPretreatment standard
pHNo limitation.
TSS      Do.

[40 FR 6444, Feb. 11, 1975, as amended at 60 FR 33958, June 29, 1995]

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§426.45   Standards of performance for new sources.

The following standards of performance establish the quantity or quality of pollutants or pollutant properties which may be discharged by a new source subject to the provisions of this subpart: There shall be no discharge of process waste water pollutants to navigable waters.

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§426.46   Pretreatment standards for new sources.

Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.

[60 FR 33958, June 29, 1995]

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§426.47   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

Except as provided in §§125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations shall be the same as those specified for conventional pollutants (which are defined in §401.16) in §426.42 of this subpart for the best practicable control technology currently available (BPT).

[51 FR 25000, July 9, 1986]

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