B.
Dental dischargers subject to this part are not significant industrial
users as defined in 40 CFR Part 403, and are not categorical industrial
users or industrial users subject to categorical pretreatment standards
as those terms and variations are used in 40 CFR Part 403, as a result
of applicability of 40 CFR 441.
C.
This Article XV does not apply to dental dischargers that exclusively practice one or more of the following dental specialties: oral pathology, oral and maxillofacial radiology, oral and maxillofacial surgery, orthodontics, periodontics, or prosthodontics.
E.
This Article XV does not apply to dental dischargers that do not discharge any amalgam process wastewater as defined in § 435-4 to a POTW, such as dental dischargers that collect all dental amalgam process wastewater for transfer to a centralized waste treatment facility as defined in 40 CFR Part 437.
F.
Dental dischargers that do not place dental amalgam as defined in § 435-4, and do not remove amalgam except in limited emergency or unplanned, unanticipated circumstances, and that certify such to the control authority as required in 40 CFR 441.50 are exempt from any further requirements of this article.
A.
Within the shortest reasonable time, but not later than July 14, 2020, any existing dental discharger as defined in § 435-4 subject to this article must comply with the requirements of 40 CFR 441.30(a), that defines removal of amalgam solids, and (b), implementation of two best management practices. Dental dischargers must file a one-time compliance report per 40 CFR 441.50(a) by October 12, 2020, to the City and maintain and make available for inspection defined records per 40 CFR 441.50(b).
B.
If a transfer of an existing source occurs after July 14, 2020, the
new owner must submit a new one-time compliance report no later than
90 days after the transfer.
A.
Any new dental discharger source as defined in § 435-4 subject to this article must comply with the requirements of 40 CFR 441.40, that states discharges must comply with the requirements of 441.30(a), that defines removal of amalgam solids, and (b), implementation of two best management practices. Dental dischargers must file a one-time compliance report per 40 CFR 441.50(a) no later than 90 days following the introduction of wastewater into the POTW and maintain and make available for inspection defined records per 40 CFR 441.50(b).
B.
If a transfer of a new source occurs, the new owner must submit a
new one-time compliance report no later than 90 days after the transfer.
Limited dental dischargers must file a one-time compliance report
with certification that they do not remove dental amalgam except in
limited emergency or unplanned, unanticipated circumstances by October
12, 2020, for existing sources and within 90 days following the introduction
of wastewater for new sources.
The one-time compliance report must be signed and certified by a responsible corporate officer, a general partner or proprietor if the dental discharger is a partnership or sole proprietorship, or a duly authorized representative in accordance with the requirements of 40 CFR 403.12(j) and § 435-4 under "authorized representative."
