Passage Data · Cited limits by place · Use it from your AI
73 numeric limits and guidelines for combined held for Virginia and the place above it, from 3 instruments, each cited to its instrument, edition, section or page and quoted text. The register was built from 247 instruments. Everything held for Virginia
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claude mcp add --transport http passage-data https://passage-data.com/mcp codex mcp add passage-data --url https://passage-data.com/mcp gemini mcp add --transport http passage-data https://passage-data.com/mcp Then ask it, for example: “What are the combined limits in Virginia? Cite each one.”
For programs: this page as JSON at /api/v1/limits?parameter=combined&place=US-VA; the same at https://passage-data.com/mcp, a remote MCP server (tool find_limits). Every tool · llms.txt · OpenAPI
| Parameter | Value | Unit | Statistic | Governs | Applies when | Cite |
|---|---|---|---|---|---|---|
| Combined | 5 | surface water · guideline | segments designated PWS (public water supply) in 9VAC25-260-390 through 9VAC25-260-540 | 9VAC25-260-140 — Criteria for surface water (Virginia Water Quality Standards), Table of Parameters 9VAC25-260-140 B, Table of Parameters (human health, public water supply) Combined Radium 226 and 228 (pCi/L) 5 |
| Parameter | Value | Unit | Statistic | Governs | Applies when | Cite |
|---|---|---|---|---|---|---|
| Combined metals | 21.54 | mg/troy ounce of precious metals, including silver, incinerated or smelted | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (a) Furnace wet air pollution control. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 21.54 |
| Combined metals | 1.902 | mg/troy ounce of precious metal in the granulated raw material | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (b) Raw material granulation. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 1.902 |
| Combined metals | 0.300 | mg/liter of spent plating solution used as a raw material | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (c) Spent plating solutions. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 0.300 |
| Combined metals | 1.110 | mg/troy ounce of gold produced by cyanide stripping | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (d) Spent cyanide stripping solutions. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 1.110 |
| Combined metals | 6.300 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) 2 This allowance applies to either acid or alkaline wet air pollution control scrubbers. If both acid and alkaline wet air pollution control scrubbers are present in a particular facility the same allowance applies to each. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 6.300 |
| Combined metals | 0.189 | mg/troy ounce of gold produced by solvent extraction | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (f) Gold solvent extraction raffinate and wash water. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 0.189 |
| Combined metals | 0.003 | mg/troy ounce of gold produced by electrolysis | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (g) Gold spent electrolyte. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 0.003 |
| Combined metals | 1.320 | mg/troy ounce of gold precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (h) Gold precipitation and filtration. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 1.320 |
| Combined metals | 1.560 | mg/troy ounce of platinum precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (i) Platinum precipitation and filtration. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 1.560 |
| Combined metals | 1.800 | mg/troy ounce of palladium precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (j) Palladium precipitation and filtration. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 1.800 |
| Combined metals | 1.560 | mg/troy ounce of other platinum group metals precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (k) Other platinum group metals precipitation and filtration. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 1.560 |
| Combined metals | 0.270 | mg/troy ounce of gold contained in PGC product | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (l) Spent solution from PGC salt production. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 0.270 |
| Combined metals | 0.000 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (m) Equipment and floor wash. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 0.000 0.000 |
| Combined metals | 0.000 | mg/troy ounce of precious metals, including silver, produced in refinery | monthly average | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (m) Equipment and floor wash. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined metals 0.000 0.000 |
| Combined Metals | 15.000 | mg/troy ounce of total precious metals produced through this operation | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BPT) (n) Preliminary treatment. table: BPT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.262 (BPT) Combined Metals 15.000 |
| Combined metals | 1.350 | mg/troy ounce of precious metals, including silver, incinerated or smelted | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (a) Furnace wet air pollution control. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 1.350 |
| Combined metals | 0.192 | mg/troy ounce of precious metals in the granulated raw material | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (b) Raw material granulation. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 0.192 |
| Combined metals | 0.300 | mg/liter of spent plating solution used as a raw material | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (c) Spent plating solutions. table: BAT Limitations for the Secondary Precious Metals Subcategory table heading: Gold | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 0.300 |
| Combined metals | 1.110 | mg/troy ounce of gold produced by cyanide stripping | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (d) Spent cyanide stripping solutions. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 1.110 |
| Combined metals | 0.300 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) 2 This allowance applies to either acid or alkaline wet air pollution control scrubbers. If both acid and alkaline wet air pollution control scrubbers are present in a particular facility the same allowance applies to each. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 0.300 |
| Combined metals | 0.189 | mg/troy ounce of gold produced by solvent extraction | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (f) Gold solvent extraction raffinate and wash water. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 0.189 |
| Combined metals | 0.0030 | mg/troy ounce of gold produced by electrolysis | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (g) Gold spent electrolyte. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 0.0030 |
| Combined metals | 1.320 | mg/troy ounce of gold precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (h) Gold precipitation and filtration. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 1.320 |
| Combined metals | 0.560 | mg/troy ounce of platinum precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (i) Platinum precipitation and filtration. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 0.560 |
| Combined metals | 1.800 | mg/troy ounce of palladium precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (j) Palladium precipitation and filtration. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 1.800 |
| Combined metals | 1.560 | mg/troy ounce of other platinum group metals precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (k) Other platinum group metals precipitation and filtration. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 1.560 |
| Combined metals | 0.270 | mg/troy ounce of gold contained in PGC product | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (l) Spent solutions from PGC salt production. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 0.270 |
| Combined metals | 0.000 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (m) Equipment and floor wash. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 0.000 |
| Combined metals | 15.000 | Mg/troy ounce of total precious metals produced through this operation | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (BAT) (n) Preliminary treatment. table: BAT Limitations for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.263 (BAT) Combined metals 15.000 |
| Combined metals | 1.350 | mg/troy ounce of precious metals, including silver, incinerated or smelted | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (a) Furnace wet air pollution control. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 1.350 |
| Combined metals | 0.192 | mg/troy ounce of precious metals in the granulated raw material | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (b) Raw material granulation. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 0.192 |
| Combined metals | 0.300 | mg/liter of spent plating solution used as a raw material | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (c) Spent plating solutions. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 0.300 |
| Combined metals | 1.11 | mg/troy ounce of gold produced by cyanide stripping | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (d) Spent cyanide stripping solutions. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 1.11 |
| Combined metals | 0.300 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) 2 This allowance applies to either acid or alkaline wet air pollution control scrubbers. If both acid and alkaline wet air pollution control scrubbers are present in a particular facility the same allowance applies to each. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 0.300 |
| Combined metals | 0.189 | mg/troy ounce of gold produced by solvent extraction | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (f) Gold solvent extraction raffinate and wash water. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 0.189 |
| Combined metals | 0.003 | mg/troy ounce of gold produced by electrolysis | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (g) Gold spent electrolyte. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 0.003 |
| Combined metals | 1.320 | mg/troy ounce of gold precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (h) Gold precipitation and filtration. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 1.320 |
| Combined metals | 1.560 | mg/troy ounce of platinum precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (i) Platinum precipitation and filtration. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 1.560 |
| Combined metals | 1.800 | mg/troy ounce of palladium precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (j) Palladium precipitation and filtration. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 1.800 |
| Combined metals | 1.560 | mg/troy ounce of other platinum group metals precipitated | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (k) Other platinum group metals precipitation and filtration. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 1.560 |
| Combined metals | 0.270 | mg/troy ounce of gold contained in PGC product | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (l) Spent solution from PGC salt production. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 0.270 |
| Combined metals | 0.000 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (m) Equipment and floor wash. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 0.000 |
| Combined metals | 15.000 | mg/troy ounce of total precious metals produced through this operation | daily maximum | effluent · limit | route: direct cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (NSPS) (n) Preliminary treatment. table: NSPS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.264 (NSPS) Combined metals 15.000 |
| Combined metals | 1.350 | mg/troy ounce of precious metals, including silver, incinerated or smelted | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (a) Furnace wet air pollution control. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 1.350 |
| Combined metals | 0.192 | mg/troy ounce of precious metals in the granulated raw material | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (b) Raw material granulation. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 0.192 |
| Combined metals | 0.300 | mg/liter of spent plating solution used as a raw material | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (c) Spent plating solutions. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 0.300 |
| Combined metals | 1.110 | mg/troy ounce of gold produced by cyanide stripping | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (d) Spent Cyanide stripping solutions. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 1.110 |
| Combined metals | 0.300 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) 1 This allowance applies to either acid or alkaline wet air pollution control scrubbers. If both acid and alkaline wet air pollution control scrubbers are present in a particular facility the same allowance applies to each. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 0.300 |
| Combined metals | 0.189 | mg/troy ounce of gold produced by solvent extraction | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (f) Gold solvent extraction raffinate and wash water. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 0.189 |
| Combined metals | 0.003 | mg/troy ounce of gold produced by electrolysis | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (g) Gold spent electrolyte. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 0.003 |
| Combined metals | 1.320 | mg/troy ounce of gold precipitated | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (h) Gold precipitation and filtration. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 1.320 |
| Combined metals | 1.560 | mg/troy ounce of platinum precipitated | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (i) Platinum precipitation and filtration. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 1.560 |
| Combined metals | 1.800 | mg/troy ounce of palladium precipitated | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (j) Palladium precipitation and filtration. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 1.800 |
| Combined metals | 1.560 | mg/troy ounce of other platinum group metals precipitated | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (k) Other platinum group metals precipitation and filtration. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 1.560 |
| Combined metals | 0.270 | mg/troy ounce of gold contained in PGC product | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (l) Spent solution from PGC salt production. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 0.270 |
| Combined metals | 0.000 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (m) Equipment and floor wash. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined metals 0.000 |
| Combined Metals | 15.000 | Mg/troy ounce of total precious metals produced through this operation | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory existing sources (PSES) (n) Preliminary Treatment. table: PSES for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.265 (PSES) Combined Metals 15.000 |
| Combined metals | 1.350 | mg/troy ounce of precious metals, including silver, incinerated or smelted | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (a) Furnace wet air pollution control. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 1.350 |
| Combined metals | 0.192 | mg/troy ounce of precious metals, in the granulated raw material | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (b) Raw material granulation. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 0.192 |
| Combined metals | 0.300 | mg/liter of spent plating solution used as a raw materail | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (c) Spent plating solutions. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 0.300 |
| Combined metals | 1.110 | mg/troy ounce of gold produced by cyanide stripping | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (d) Spent cyanide stripping solutions. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 1.110 |
| Combined metals | 0.300 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) 1 This allowance applies to either acid or alkaline wet air pollution control scrubbers. If both acid and alkaline wet air pollution control scrubbers are present in a particular facility the same allowance applies to each. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 0.300 |
| Combined metals | 0.189 | mg/troy ounce of gold produced by solvent extraction | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (f) Gold solvent extraction raffinate and wash water. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 0.189 |
| Combined metals | 0.300 | mg/troy ounce of gold produced by electrolysis | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (g) Gold spent electrolyte. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 0.300 |
| Combined metals | 1.320 | mg/troy ounce of gold precipitated | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (h) Gold precipitation and filtration. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 1.320 |
| Combined metals | 1.560 | mg/troy ounce of platinum precipitated | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (i) Platinum precipitation and filtration. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 1.560 |
| Combined Metals | 1.800 | mg/troy ounce of platinum precipitated | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (j) Palladium precipitation and filtration. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined Metals 1.800 |
| Combined metals | 1.560 | mg/troy ounce of other platinum group metals precipitated | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (k) Other platinum group metals precipitation and filtration. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 1.560 |
| Combined metals | 0.270 | mg/troy ounce of gold contained in PGC product | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (l) Spent solution from PGC salt production. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 0.270 |
| Combined metals | 0.000 | mg/troy ounce of precious metals, including silver, produced in refinery | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (m) Equipment and floor wash. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined metals 0.000 |
| Combined Metals | 15.000 | mg/troy ounce of total precious metals produced through this operation | daily maximum | effluent · limit | route: sewer cites: 40 CFR 421 the discharge is of the Subpart X—Secondary Precious Metals Subcategory new sources (PSNS) (n) Preliminary treatment. table: PSNS for the Secondary Precious Metals Subcategory | 40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY 40 CFR 421.266 (PSNS) Combined Metals 15.000 |
| Combined radium-226 and radium-228 | Zero | drinking water · guideline | 40 CFR 141.2: Maximum contaminant level goals are nonenforceable health goals. | 40 CFR Part 141 — National Primary Drinking Water Regulations (eCFR, as of 2026-08-01) 141.55 |
Not held here: a discharge permit's own limits, and any rule for combined outside the 67 instruments we hold for this place and the places above it. A row missing here is missing from our sources, not from the law.
Free check: send your permit or your lab results, and we check each number against these rows, every verdict cited to its page, by email within 5 business days. Or send the link to a rule we do not hold: we read it and cite it by page.
Every instrument we hold for Virginia (US-VA) and the place above it, United States (US): 67 instruments, for every parameter name matching “combined”: combined, combined metals, radium 226 and 228 combined, combined radium 226 and radium 228, radium 226 radium 228 combined total, radium 226 radium 228 combined dissolved, radioactive substances combined radium 226 and 228.
d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf — 71 rows herebd534eb2d8af38e141e1cd6236134a638298fbf14791b30279eeb47d815d7767 — 1 row here05d91f8142e13aa9978b182c77033df2412d2af9decd0586bcb8b3974972a5f7 — 1 row here9f178f66686e289aea4d4961eee13479c15774e48d25aea14710655d2aeb18f7 — no row hereaa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd — no row here28dbdea077be653555fa562c999b78c741237e57d5b8efc8606d183ce33279da — no row here56de9012822853c75f8513babf1c1440ff957ff2145a12ec8ef5c1906da02f2d — no row here39a50407f4cd89036e245861437f7961e58a8451efaa9fd6330ff45d381fa205 — no row here69910d7277f8067273b796c1905c6283621bc7c72723b388bab9b5c8f7983742 — no row here02c53988595c9f2911727f635f59f6a2af0c1d50ce06550c150a706321a505b3 — no row here14a34390b41a1060c6d5d7ede5e6018f118680d1cb54643b81fa9b50abea37c4 — no row here2b162dead6acf77f69bd8a2a79a6195c30a6f7a6c82e29ec4754657603f1202d — no row here9c6c38baf048e0e1ed5f2c05df397ea581d48822b23c4b294e52b960b2d547f9 — no row here8652d1f3d1271a60d9c07a11c5e00c0c1e23da3fb57f25d86e40b9a487b25608 — no row hereebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23 — no row here4b5bd5a797a31a077d5a797de292aab3ed4938bf350995c3877c393d3c1f8428 — no row here881822302cd9912ec4678ba7ccaa00276ff06f33a48ae154f399db6986c1ffda — no row here3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849 — no row here15d00b2386811ecfdcc8334d57defe2f690d2f88798390abff59228c5aea1898 — no row here5b10885a56878a0a10277b8fdf945441e570a9316098995bb3f948e5bc5a52d9 — no row here60cadc14b8fc25c39238a9d55cede55743d6b349ca20c8f8158b0f7e5d98fd64 — no row hereb9ba02c4f274d6907407c320e0fcce140e72aa79cf2e81ae80ae804f723e7bed — no row here9984c22aee31f14ac6cc89b6895db16ce8ed6cdc39abf66752529e44a86fda45 — no row herea824cc1c96559e03e9d0013c6dc961092352baafce6b5daec6be1d3c9ef96c4f — no row here2aa1dbe8158371fa4360d0df2412ad8b47c124aab4173316b854dc9c06d9161a — no row herecb5058a08c9472074411dfb00b10ae90efb4763be56c41b6c33d5fec477a555b — no row here8ffc3a5ae0e6c7d8e929b9201225a003c95d5c0e6a73ed549ae0ef4bb94b22ed — no row here6ee241b7ee9a78250fccd4d4134366c8ccc74eceba4512675bc5db8a5be24cc5 — no row here3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4 — no row heree30d763aa2bf49914b8b02364329ed662c0af2bc1ac6ee13233ee65c1499a94e — no row here59437ebfad1a7c3090dc8f3f11eac33d1cfa8c81e44baf92b3fcbfc75b584c19 — no row heree485b5e90afd26961e2964355f78ce1d1a1781ac67e588a9f2ea6fd1ad913db2 — no row here699f842280ca1f65a56712a21ad9906bb9d709f20624757e72df02c7f695e73e — no row here8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01 — no row here23be7bb993614d9248cff594a196b782587671393fc7b4f445eab69876b224d8 — no row here109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e — no row hereaea3b68c1fc9aac4ea3fa56240df79cf606e97c278fd0b499c3ec190dad2ee9a — no row here9330b2255a5f7e74daf9175af898d9d28ae855a2560f50658d1bce4c6b8feded — no row here4f4bb5077485ea6f8a27e678219c7400c18be7ca7824e5b21d1996399098cbc4 — no row hereb8df51b8c9ab0f6d765b07cb267f1aead5f9a257b5d9d914fb34511c1433a9bd — no row here0d9785d9dc37e256a6ea799566e33681f123b092975ccaaa01967665080b1598 — no row hereb5d02b5c87984639aaff6e500a6930c9e7b478cec825c013f26c72f715e32a0e — no row here07ce62c90f736e9aacb3b93854b6861d2d14ec3c7ed85146da489eb46ca5ebca — no row here6abcaec659f7bd98f5861813fc76e8a2f027753ba5488ec0da9540b3dff013a2 — no row hereca4f7d499465d74e9f9e97bbad32419b9e4d71c107bd17c21ec9348b86c19167 — no row here36066b7d5702811c70e1498b6ff9647599f1a883a18bd95449abc5900832e375 — no row here5903548fcfa58a4b6152d41cd1399b4c82e3684e69d5ea20a0fb89c1b71e4329 — no row here904434c6e85600060669580acf042d53f5e711e3313e8aef038d9c60b244a740 — no row here465264d203dabbec52b8a9e5afc03c9b9140c4f1758d0f5cf422a0df03d3cce3 — no row heree78d4825199d5ba2cf468f744603f403b7dbddbe3321955e6a0b1e344de50d7f — no row heree9b2ea900bfea837890cb559b8db71416882d7666c81b683b11bdc700efb7b50 — no row here83f54e1a9420fdb3abe9a4e4e8edd2060bbc0c5e0067824488d3f0f1cc50d328 — no row here940c0585603141d76af0790879f64c667489809aac317d090485198f492a1311 — no row here817c320835fb2f9cbb5e6218efb2f5cdcb0b0527933ae87d5a3976f0981127fd — no row here4a4e95e44a16b28b58efce43eca3878d712f9aaf1b73e5c36c783cc12c9bc06b — no row here4b59a142f54a91aef8356c2f3c507cc96e171e01344aa388d2f55e6832ed2925 — no row here3a0399ddea806eb34f0fe9b3c15efa97679757f340a125b4af5fdc234a93fe6c — no row here4fcd842aa8d4463c015d5dc67a32412a7c554ad425715bb2375e64800bf4e7bd — no row here2133233aad39c4df1dfd22825d228cb8ca25365a51aadadb9aacb46241c2ceea — no row here857e290109cd8028b70b239ab2b16e9c5d068a71e557a7c419ebba4dee2c40b4 — no row herec69109252c9521cd31b45755731369a860bb1282c273dea5fd6903836effa7c7 — no row herebe6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec — no row herea0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe — no row herea98e8b66948f546c71e119055eff012e6380857a255ec216a4247b658bcf040d — no row here0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7 — no row here0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7 — no row hereRead from public law and public agency files. A row missing here is missing from our sources, not from the law of the place. Check the cited source before relying on a value.