unstructuredio/SCORE-Bench · Datasets at Hugging Face

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Thank you for your work to improve air quality and protect public health. We look forward to continued work with you and your staff to implement the 2010 health-based SO₂ standard. For additional information regarding these designations, please visit our website at https://www.epa.gov/sulfur-dioxide-designations/.




If you have further questions or concerns, please contact me or your staff may call Mark Rupp, Deputy Associate Administrator for Intergovernmental Relations, at [email protected] or at (202) 564-7178.




Sincerely,
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G na McC
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Gina McCarthy




Enclosure
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Butylbenzyl Phthalate
Benzo(b)fluoranthene
Benzo(k)fluoranthene
Bis(2-Chloroethyl) Ether
Hexachlorocyclohexane (HCH)- Technical
1,3-Dichloropropene
2,4-Dinitrotoluene
Nitrosamines
Nitrosodibutylamine, N
Nitrosodiethylamine, N
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13) Table 3: The proposed revisions include the removal of criteria for several chemical families. These chemical families are listed as “headings” in D.C.’s current regulations with individual chemicals and criteria for those chemicals listed below the headings. DOEE proposes to remove the chemical family names and associated criteria, and not remove the individual chemicals and associated criteria. In the revised standards, a “Chemical Family Group” column is added to Table 3 to denote which family each individual chemical belongs to. None of the chemical family names are included as part of EPA’s recommended criteria under Clean Water Act § 304(a). Please provide justification as to how the removal of the chemical family names and associated criteria will protect the designated uses. Those chemical families and their associated criteria include:


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Constituentᵃ, Organics (µg/L) CAS Number Criteria for Classes
C D²
CCC 4-Day Avg CMC 1-Hour Avg 30-Day Avg
Chlorinated benzenes (except Di) 25.0
Chlorinated ethanes 50
Chloroalkyl ethers 1000
Dichloroethylenes 1000
Dichloropropenes 400
Endosulfan 0.056 0.22 89
Halomethanes 1000
Naphthalene 91203 600
Nitrophenols 20
Phthalate esters 100
Footnote ᵃ: For constituents with blank numeric criteria, EPA has not calculated standards at this time. However, permit authorities will address constituents in NPDES permit actions using narrative criteria for toxics.
--------------------------------------------------- Unstructured Table End


EPA notes that the removal of several chemical family names that previously did not have a criterion associated with them and solely functioned as a heading is appropriate and does not require approval under Clean Water Act § 303(c). EPA notes that DOEE should continue to cover these chemical families and other unnamed chemicals without


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6
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numeric criteria through their narrative criteria for toxics, as indicated by footnote a in Table 3. Those chemical families include:




--------------------------------------------------- Unstructured Table Begin
Constituentᵃ, Organics (μg/L) CAS Number Criteria for Classes
C D²
CCC 4-Day Avg CMC 1-Hour Avg 30-Day Avg
Chlorinated naphthalene
Chlorinated phenols
Carbamates
Organochlorides
Organophosphates
Polynuclear aromatic hydrocarbons
Acenaphthylene
Footnote ᵃ: For constituents with blank numeric criteria, EPA has not calculated standards at this time. However, permit authorities will address constituents in NPDES permit actions using narrative criteria for toxics.
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Section 7 of the Endangered Species Act (ESA) requires that all Federal agencies ensure that any covered action, (including any approval or disapproval action under CWA Section 303(c)) is not likely to jeopardize the continued existence of any threatened or endangered species, or to result in the destruction or adverse modification of the habitat that has been designated as critical for species. DOEE can assist EPA in meeting the commitment by facilitating early exchange of information with the Services and helping in early identification of potential problems. This effort can contribute to a speedier review by EPA and decrease the likelihood of a nonoccurrence by the Services on an action to approve any new or revised adopted criteria.




Thank you for the opportunity to provide written comments on DOEE’s notice of proposed rulemaking and public comment period concerning the 2016 Triennial Review of D.C. Water Quality Standards. Please note that the comments addressed above are preliminary in nature and do not constitute a determination by EPA under Clean Water Act § 303(c). Approval/disapproval decisions will be made by the Region following adoption of new and/or revised standards by DOEE and submittal to EPA. The Administrator may only make a determination pursuant to Clean Water Act § 304(c)(4)(B). Should you have any questions concerning these comments, please contact me at (215) 814-5717 or Jillian Adair at (215) 814-5713 or via e-mail at [email protected].




Sincerely,

Thank you for your work to improve air quality and protect public health. We look forward to continued work with you and your staff to implement the 2010 health-based SO₂ standard. For additional information regarding these designations, please visit our website at https://www.epa.gov/sulfur-dioxide-designations/.

If you have further questions or concerns, please contact me or your staff may call Mark Rupp, Deputy Associate Administrator for Intergovernmental Relations, at [email protected] or at (202) 564-7178.

Sincerely,

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G na McC

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Gina McCarthy

Enclosure

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--------------------------------------------------- Unstructured Table Begin

Butylbenzyl Phthalate

Benzo(b)fluoranthene

Benzo(k)fluoranthene

Bis(2-Chloroethyl) Ether

Hexachlorocyclohexane (HCH)- Technical

1,3-Dichloropropene

2,4-Dinitrotoluene

Nitrosamines

Nitrosodibutylamine, N

Nitrosodiethylamine, N

--------------------------------------------------- Unstructured Table End

13) Table 3: The proposed revisions include the removal of criteria for several chemical families. These chemical families are listed as “headings” in D.C.’s current regulations with individual chemicals and criteria for those chemicals listed below the headings. DOEE proposes to remove the chemical family names and associated criteria, and not remove the individual chemicals and associated criteria. In the revised standards, a “Chemical Family Group” column is added to Table 3 to denote which family each individual chemical belongs to. None of the chemical family names are included as part of EPA’s recommended criteria under Clean Water Act § 304(a). Please provide justification as to how the removal of the chemical family names and associated criteria will protect the designated uses. Those chemical families and their associated criteria include:

--------------------------------------------------- Unstructured Table Begin

Constituentᵃ, Organics (µg/L) CAS Number Criteria for Classes

C D²

CCC 4-Day Avg CMC 1-Hour Avg 30-Day Avg

Chlorinated benzenes (except Di) 25.0

Chlorinated ethanes 50

Chloroalkyl ethers 1000

Dichloroethylenes 1000

Dichloropropenes 400

Endosulfan 0.056 0.22 89

Halomethanes 1000

Naphthalene 91203 600

Nitrophenols 20

Phthalate esters 100

Footnote ᵃ: For constituents with blank numeric criteria, EPA has not calculated standards at this time. However, permit authorities will address constituents in NPDES permit actions using narrative criteria for toxics.

--------------------------------------------------- Unstructured Table End

EPA notes that the removal of several chemical family names that previously did not have a criterion associated with them and solely functioned as a heading is appropriate and does not require approval under Clean Water Act § 303(c). EPA notes that DOEE should continue to cover these chemical families and other unnamed chemicals without

--------------------------------------------------- Unstructured Page Footer Begin

--------------------------------------------------- Unstructured Page Number Block Begin

6

--------------------------------------------------- Unstructured Page Number Block End

--------------------------------------------------- Unstructured Page Footer End

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numeric criteria through their narrative criteria for toxics, as indicated by footnote a in Table 3. Those chemical families include:

--------------------------------------------------- Unstructured Table Begin

Constituentᵃ, Organics (μg/L) CAS Number Criteria for Classes

C D²

CCC 4-Day Avg CMC 1-Hour Avg 30-Day Avg

Chlorinated naphthalene

Chlorinated phenols

Carbamates

Organochlorides

Organophosphates

Polynuclear aromatic hydrocarbons

Acenaphthylene

Footnote ᵃ: For constituents with blank numeric criteria, EPA has not calculated standards at this time. However, permit authorities will address constituents in NPDES permit actions using narrative criteria for toxics.

--------------------------------------------------- Unstructured Table End

Section 7 of the Endangered Species Act (ESA) requires that all Federal agencies ensure that any covered action, (including any approval or disapproval action under CWA Section 303(c)) is not likely to jeopardize the continued existence of any threatened or endangered species, or to result in the destruction or adverse modification of the habitat that has been designated as critical for species. DOEE can assist EPA in meeting the commitment by facilitating early exchange of information with the Services and helping in early identification of potential problems. This effort can contribute to a speedier review by EPA and decrease the likelihood of a nonoccurrence by the Services on an action to approve any new or revised adopted criteria.

Thank you for the opportunity to provide written comments on DOEE’s notice of proposed rulemaking and public comment period concerning the 2016 Triennial Review of D.C. Water Quality Standards. Please note that the comments addressed above are preliminary in nature and do not constitute a determination by EPA under Clean Water Act § 303(c). Approval/disapproval decisions will be made by the Region following adoption of new and/or revised standards by DOEE and submittal to EPA. The Administrator may only make a determination pursuant to Clean Water Act § 304(c)(4)(B). Should you have any questions concerning these comments, please contact me at (215) 814-5717 or Jillian Adair at (215) 814-5713 or via e-mail at [email protected].

Sincerely,