372.28—Lower thresholds for chemicals of special concern.
(a)
Notwithstanding § 372.25 or § 372.27, for the toxic chemicals set forth in this section, the threshold amounts for manufacturing (including importing), processing, and otherwise using such toxic chemicals are as set forth in this section.
| Chemical name | CAS No. | Reporting threshold |
|---|---|---|
| Aldrin | 00309-00-2 | 100 |
| Benzo(g,h,i)perylene | 00191-24-2 | 10 |
| Chlordane | 00057-74-9 | 10 |
| Heptachlor | 00076-44-8 | 10 |
| Hexachlorobenzene | 00118-74-1 | 10 |
| Isodrin | 00465-73-6 | 10 |
| Lead (this lower threshold does not apply to lead when contained in a stainless steel, brass or bronze alloy) | 7439-92-1 | 100 |
| Mercury | 07439-97-6 | 10 |
| Methoxychlor | 00072-43-5 | 100 |
| Octachlorostyrene | 29082-74-4 | 10 |
| Pendimethalin | 40487-42-1 | 100 |
| Pentachlorobenzene | 00608-93-5 | 10 |
| Polychlorinated biphenyl (PCBs) | 01336-36-3 | 10 |
| Tetrabromobisphenol A | 00079-94-7 | 100 |
| Toxaphene | 08001-35-2 | 10 |
| Trifluralin | 01582-09-8 | 100 |
| Category name | Reporting threshold |
|---|---|
| Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin-like compounds if the dioxin and dioxin-like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical) (This category includes only those chemicals listed below). | 0.1 grams |
| 67562-39-41,2,3,4,6,7,8-Heptachlorodibenzofuran | |
| 55673-89-71,2,3,4,7,8,9-Heptachlorodibenzofuran | |
| 70648-26-91,2,3,4,7,8-Hexachlorodibenzofuran | |
| 57117-44-91,2,3,6,7,8-Hexachlorodibenzofuran | |
| 72918-21-91,2,3,7,8,9-Hexachlorodibenzofuran | |
| 60851-34-52,3,4,6,7,8-Hexachlorodibenzofuran | |
| 39227-28-61,2,3,4,7,8-Hexachlorodibenzo-p-dioxin | |
| 57653-85-71,2,3,6,7,8-Hexachlorodibenzo-p-dioxin | |
| 19408-74-31,2,3,7,8,9-Hexachlorodibenzo-p-dioxin | |
| 35822-46-91,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin | |
| Lead Compounds | 100 |
| 39001-02-01,2,3,4,6,7,8,9-Octachlorodibenzofuran | |
| 03268-87-91,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin | |
| 57117-41-61,2,3,7,8-Pentachlorodibenzofuran | |
| 57117-31-42,3,4,7,8-Pentachlorodibenzofuran | |
| 40321-76-41,2,3,7,8-Pentachlorodibenzo-p-dioxin | |
| 51207-31-92,3,7,8-Tetrachlorodibenzofuran | |
| 01746-01-62,3,7,8 Tetrachlorodibenzo-p-dioxin | |
| Mercury compounds | 10 |
| Polycyclic aromatic compounds (PACs) (This category includes only those chemicals listed below). | 100 |
| 00056-55-3Benz(a)anthracene | |
| 00205-99-2Benzo(b)fluoranthene | |
| 00205-82-3Benzo(j)fluoranthene | |
| 00207-08-9Benzo(k)fluoranthene | |
| 00206-44-0Benzo(j,k)fluorene | |
| 00189-55-9Benzo(r,s,t)pentaphene | |
| 00218-01-9Benzo(a)phenanthrene | |
| 00050-32-8Benzo(a)pyrene | |
| 00226-36-8Dibenz(a,h)acridine | |
| 00224-42-0Dibenz(a,j)acridine | |
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Code of Federal Regulations
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| 00053-70-3Dibenzo(a,h)anthracene | |
| 00194-59-27H-Dibenzo(c,g)carbazole | |
| 05385-75-1Dibenzo(a,e)fluoranthene | |
| 00192-65-4Dibenzo(a,e)pyrene | |
| 00189-64-0Dibenzo(a,h)pyrene | |
| 00191-30-0Dibenzo(a,l)pyrene | |
| 00057-97-67,12-Dimethylbenz(a)anthracene | |
| 42397-64-81,6-Dinitropyrene | |
| 42397-65-91,8-Dinitropyrene | |
| 00193-39-5Indeno[1,2,3-cd]pyrene | |
| 00056-49-53-Methylcholanthrene | |
| 03697-24-35-Methylchrysene | |
| 07496-02-86-Nitrochrysene | |
| 05522-43-01-Nitropyrene | |
| 57835-92-44-Nitropyrene | |
(b)
The threshold determination provisions under § 372.25(c) through (h) and the exemptions under § 372.38(b) through (h) are applicable to the toxic chemicals listed in paragraph (a) of this section.