40 CFR § 372.28
Lower thresholds for chemicals of special concern
June 9, 2020
(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.
(1) Chemical listing in alphabetic order.
Open Table
| 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 |
(2) Chemical categories in alphabetic order.
Open Table
| Category name | Reporting threshold (in pounds unless otherwise noted) |
|---|---|
| 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 |
| 67562-39-4 1,2,3,4,6,7,8-Heptachlorodibenzofuran | |
| 55673-89-7 1,2,3,4,7,8,9-Heptachlorodibenzofuran | |
| 35822-46-9 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin | |
| Hexabromocyclododecane (This category includes only those chemicals covered by the CAS numbers listed here) | 100 |
| 3194-55-6 1,2,5,6,9,10-Hexabromocyclododecane | |
| 25637-99-4 Hexabromocyclododecane | |
| 70648-26-9 1,2,3,4,7,8-Hexachlorodibenzofuran | |
| 57117-44-9 1,2,3,6,7,8-Hexachlorodibenzofuran | |
| 72918-21-9 1,2,3,7,8,9-Hexachlorodibenzofuran | |
| 60851-34-5 2,3,4,6,7,8-Hexachlorodibenzofuran | |
| 39227-28-6 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin | |
| 57653-85-7 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin | |
| 19408-74-3 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin | |
| Lead Compounds | 100 |
| 39001-02-0 1,2,3,4,6,7,8,9-Octachlorodibenzofuran | |
| 03268-87-9 1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin | |
| 57117-41-6 1,2,3,7,8-Pentachlorodibenzofuran | |
| 57117-31-4 2,3,4,7,8-Pentachlorodibenzofuran | |
| 40321-76-4 1,2,3,7,8-Pentachlorodibenzo-p-dioxin | |
| 51207-31-9 2,3,7,8-Tetrachlorodibenzofuran | |
| 01746-01-6 2,3,7,8 Tetrachlorodibenzo-p-dioxin | |
| Mercury compounds | 10 |
| Polycyclic aromatic compounds (PACs) (This category includes only those chemicals listed below). | 100 |
| 00056-55-3 Benz(a)anthracene | |
| 00205-99-2 Benzo(b)fluoranthene | |
| 00205-82-3 Benzo(j)fluoranthene | |
| 00207-08-9 Benzo(k)fluoranthene | |
| 00206-44-0 Benzo(j,k)fluorene | |
| 00189-55-9 Benzo(r,s,t)pentaphene | |
| 00218-01-9 Benzo(a)phenanthrene | |
| 00050-32-8 Benzo(a)pyrene | |
| 00226-36-8 Dibenz(a,h)acridine | |
| 00224-42-0 Dibenz(a,j)acridine | |
| 00053-70-3 Dibenzo(a,h)anthracene | |
| 00194-59-2 7H-Dibenzo(c,g)carbazole | |
| 05385-75-1 Dibenzo(a,e)fluoranthene | |
| 00192-65-4 Dibenzo(a,e)pyrene | |
| 00189-64-0 Dibenzo(a,h)pyrene | |
| 00191-30-0 Dibenzo(a,l)pyrene | |
| 00057-97-6 7,12-Dimethylbenz(a)anthracene | |
| 42397-64-8 1,6-Dinitropyrene | |
| 42397-65-9 1,8-Dinitropyrene | |
| 00193-39-5 Indeno[1,2,3-cd]pyrene | |
| 00056-49-5 3-Methylcholanthrene | |
| 03697-24-3 5-Methylchrysene | |
| 07496-02-8 6-Nitrochrysene | |
| 05522-43-0 1-Nitropyrene | |
| 57835-92-4 4-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.
[64 FR 58750, Oct. 29, 1999, as amended at 66 FR 4527, Jan. 17, 2001; 75 FR 72733, Nov. 26, 2010; 81 FR 85444, Nov. 28, 2016]
Tried the LawStack mobile app?
Join thousands and try LawStack mobile for FREE today.
- Carry the law offline, wherever you go.
- Download CFR, USC, rules, and state law to your mobile device.
