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Process | Emissions sources |
---|---|
1. Sodium chromate production | a. Ball mill used to grind chromite ore. |
b. Dryer used to dry chromite ore. | |
c. Rotary kiln used to roast chromite ore to produce sodium chromate. | |
d. Secondary rotary kiln used to recycle and refine residues containing chromium compounds. | |
e. Residue dryer system. | |
f. Quench tanks. | |
2. Sodium dichromate production | a. Stack on the electrolytic cell system used to produce sodium dichromate. |
b. Sodium dichromate crystallization unit. | |
c. Sodium dichromate drying unit. | |
3. Chromic acid production | a. Electrolytic cell system used to produce chromic acid. |
b. Melter used to produce chromic acid. | |
c. Chromic acid crystallization unit. | |
d. Chromic acid dryer. | |
4. Chromic oxide production | a. Primary rotary roasting kiln used to produce chromic oxide. |
b. Chromic oxide filter. | |
c. Chromic oxide dryer. | |
d. Chromic oxide grinding unit. | |
e. Chromic oxide storage vessel. | |
f. Secondary rotary roasting kiln. | |
g. Quench tanks. | |
5. Chromium hydrate production | a. Furnace used to produce chromium hydrate. |
b. Chromium hydrate grinding unit. |
As required in §63.11411(a), you must comply with the requirements of the General Provisions (40 CFR part 63, subpart A) as shown in the following table.
Citation | Subject | Applies | Explanation |
---|---|---|---|
63.1(a)(1), (a)(2), (a)(3), (a)(4), (a)(6), (a)(10)-(a)(12), (b)(1), (b)(3), (c)(1), (c)(2), (c)(5), (e) | Applicability | Yes. | |
63.1(a)(5), (a)(7)-(a)(9), (b)(2), (c)(3), (c)(4), (d) | Reserved | No. | |
63.2 | Definitions | Yes. | |
63.3 | Units and Abbreviations | Yes. | |
63.4 | Prohibited Activities and Circumvention | Yes. | |
63.5 | Preconstruction Review and Notification Requirements | No. | |
63.6(a), (b)(1)-(b)(5), (b)(7), (c)(1), (c)(2), (c)(5), (e)(1), (e)(3)(i), (e)(3)(iii)-(e)(3)(ix), (f), (g), (i), (j) | Compliance with Standards and Maintenance Requirements | Yes | The startup, shutdown, and malfunction requirements in §63.6(e)(3) apply at new and existing area sources that choose to comply with §63.11410(k)(2) instead of the requirements in §63.11410(k)(1). |
63.6(b)(6), (c)(3), (c)(4), (d), (e)(2), (e)(3)(ii), (h)(3), (h)(5)(iv) | Reserved | No. | |
63.6(h)(1)-(h)(4), (h)(5)(i)-(h)(5)(iii), (h)(6)-(h)(9) | No | Subpart NNNNNN does not include opacity or visible emissions standards or require a continuous opacity monitoring system. | |
63.7(a), (e), (f), (g), (h) | Performance Testing Requirements | Yes | Subpart NNNNNN requires a performance test for a new source; a test for an existing source is not required under the conditions specified in §63.11410(i). |
63.7(b), (c) | Yes/No | Requirements for notification of performance test and for quality assurance program apply to new area sources but not existing area sources. | |
63.8(a)(1), (a)(2), (b), (c)(1)-(c)(3), (f)(1)-(5) | Monitoring Requirements | Yes. | |
63.8(a)(3) | Reserved | No. | |
63.8(a)(4) | No | Subpart NNNNNN does not require flares. | |
63.8(c)(4)-(c)(8), (d), (e), (f)(6), (g) | No | Subpart NNNNNN establishes requirements for continuous parameter monitoring systems. | |
63.9(a), (b)(1), (b)(5), (c), (d), (i), (j) | Notification Requirements | Yes. | |
63.9(e) | Yes/No | Notification of performance test is required only for new area sources. | |
63.9(b)(2) | Yes. | ||
63.9(b)(3), (h)(4) | Reserved | No. | |
63.9(b)(4), (h)(5) | No. | ||
63.9(f), (g) | No | Subpart NNNNNN does not include opacity or visible emissions standards or require a continuous opacity monitoring system or continuous emissions monitoring system. | |
63.9(h)(1)-(h)(3), (h)(6) | Yes. | ||
63.10(a), (b)(1), (b)(2)(xii), (b)(2)(xiv), (b)(3) | Recordkeeping Requirements | Yes. | |
63.10(b)(2)(i)-(b)(2)(v) | Yes. | Recordkeeping requirements for startups, shutdowns, and malfunctions apply to new and existing area sources that choose to comply with §63.11410(k)(2). | |
63.10(b)(2)(vi)-(b)(2)(ix), (c)(1), (c)(5)-(c)(14) | Yes/No | Requirements apply to continuous parameter monitoring systems at new area sources but not existing area sources. | |
63.10(b)(2)(vii)(A)-(B), (b)(2)(x), (b)(2)(xiii) | No. | ||
63.10(c)(2)-(c)(4), (c)(9) | Reserved | No. | |
63.10(d)(1), (d)(4), (f) | Reporting Requirements | Yes. | |
63.10(d)(2) | Yes | Report of performance test results applies to new area sources; the results of a previous test may be submitted for an existing area source under the conditions specified in §63.11410(i). | |
63.10(d)(3) | No | Subpart NNNNNN does not include opacity or visible emissions limits. | |
63.10(d)(5) | Yes | Requirements for startup, shutdown, and malfunction reports apply to new and existing area sources that choose to comply with §63.11410(k)(2). | |
63.10(e)(1)-(e)(2), (e)(4) | No | Subpart NNNNNN does not require a continuous emissions monitoring system or continuous opacity monitoring system. | |
63.10(e)(3) | Yes/No | Semiannual reporting requirements apply to new area sources but not existing area sources. | |
63.11 | Control Device Requirements | No | Subpart NNNNNN does not require flares. |
63.12 | State Authorities and Delegations | Yes. | |
63.13 | Addresses | Yes. | |
63.14 | Incorporations by Reference | Yes. | |
63.15 | Availability of Information and Confidentiality | Yes. | |
63.16 | Performance Track Provisions | Yes. |
Source: 72 FR 38905, July 16, 2007, unless otherwise noted.