Complete Property Analysis

Environmental risk, tax analysis, and property details for 3915 Independence Pky S, La Porte, TX 77571

HCAD #0410020010070
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🌍Environmental Assessment

This comprehensive report analyzes both flood risk and industrial pollution exposure for this property. The assessment combines multiple data sources including USGS elevation, FEMA flood zones, historical storm modeling, and EPA Toxic Release Inventory records.

🌊Flood Risk Analysis
FEMA Zone AE
Property Overview

This section shows the fundamental characteristics of the property, including its elevation above sea level, FEMA flood zone designation, and our calculated overall flood risk rating based on historical data and topographic analysis.

Address
3915 Independence Pky S, La Porte, TX 77571
Elevation
5.17 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
Overall Risk
Very High
Property flooded at 9.84ft depth.
Risk Assessment Outputs

These detailed metrics show the technical outputs from our flood risk model. They include predicted water depths at the property during a 5000-year flood event and estimated flood damage based on USACE methodology.

Risk Rating
Very High
Flood Depth
9.84 ft±0.5 ft
Depth of water above ground level.
Water Surface Elevation (WSE)
15.01 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.9 acres
100.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
Vacant lot (no building data).
Depth-Damage (Neighborhood)
$0
Vacant lot (no building data).
Analysis Method
COG Combined 5000 Model
Raster-based flood inundation query
Flood Simulation

This simulation shows whether the property would flood based on a 5000-year flood event with 3m (9.84ft) water level. Use the interactive tool to explore different scenarios.

Property Would Be Flooded
Flood Depth: 9.84 feet
Severity
Severe
Adjust Flood Simulation

The analysis above uses default settings (5000-year flood, 3m/9.84ft water level). To explore different flood scenarios with interactive maps, return to the main tool:

Open Interactive Analysis Tool
Flood Risk Recommendations

Based on the property's flood risk profile, here are specific action items to consider.

#1
Special Flood Hazard Area (SFHA): Flood insurance required for federally backed mortgages
#2
Obtain an Elevation Certificate to determine accurate flood insurance premiums
#3
Simulation shows 4.7ft of flooding - mitigation measures recommended
#4
Consider elevating utilities, HVAC systems, and electrical panels above anticipated flood levels
#5
Simulation depth of 4.7ft indicates potential damage to contents and finishes
#6
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#7
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
20.1th percentile
Property Pollution Ranking
High
Higher pollution than 80% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
848 thousandlbs
Extremely High
129.9x more than typical Houston property
42 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
822 thousandlbs
Extremely High
170.5x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
25 thousandlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
17
Industrial facilities within 2 miles
💡
Why It Matters: High chemical activity nearby can indicate industrial zones, truck traffic, or potential odor and noise issues. These factors may affect air quality, long-term property desirability, and neighborhood character. This data helps you understand the industrial footprint around your property.
Houston Metro Benchmarks

Comparison with typical Houston properties (based on 10,000 randomly sampled homes). All measurements are for chemicals released within a 2-mile radius.

PeriodTotalAirWater
Typical Houston Property (2014-2024)6,524 lbs4,822 lbs0 lbs
This Property (2014-2024)847,574 lbs822,288 lbs25,286 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)16,187,736 lbs65,785 lbs1,481 lbs
How This Property Compares to Houston Metro

Based on a random sample of 10,000 Houston properties, this chart shows the distribution of pollution levels across the metro area. The highlighted bar indicates where this property falls compared to other homes. Lower percentiles mean higher pollution exposure.

0-9thMost Polluted
9.9%
10-19th
10.1%
20-29th
9.9%
30-39th
10.1%
40-49th
9.7%
50-59th
10.2%
60-69th
6%
70-79th
5.8%
80-89th
4.3%
90-100thLowest Pollution
34.2%
Higher pollution than 80% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 20-29th percentile.
📋
Top chemicals released near this property (past 10 years):
N-Methyl-2-pyrrolidone, Methanol, Cyanide compounds, Zinc compounds, Chlorothalonil
View the full list of 235 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(235 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1N-Methyl-2-pyrrolidone872-50-4122 lbs0 lbs20,671,536 lbs
2Methanol67-56-116,758 lbs308 lbs19,275,907 lbs
3Cyanide compoundsN1061 lbs0 lbs16,930,924 lbs
4Zinc compoundsN9821,034 lbs14,067 lbs11,278,764 lbs
5Chlorothalonil1897-45-60 lbs0 lbs8,991,775 lbs
6Diethanolamine111-42-23 lbs0 lbs5,601,305 lbs
7Certain glycol ethersN23036,386 lbs0 lbs5,107,248 lbs
8tert-Butyl alcohol75-65-016,325 lbs1,309 lbs3,818,183 lbs
9Nitric acid7697-37-219 lbs0 lbs3,486,799 lbs
10Ethylene glycol107-21-1629 lbs0 lbs3,383,713 lbs
11Cresol (mixed isomers)1319-77-35 lbs0 lbs3,372,653 lbs
12Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5112 lbs0 lbs3,070,944 lbs
13Xylene (mixed isomers)1330-20-772,794 lbs17 lbs2,885,559 lbs
14Ammonia7664-41-757,830 lbs51 lbs2,809,665 lbs
15Naphthalene91-20-324,234 lbs1 lbs1,891,751 lbs
16Chromium compounds (except for chromite ore mined in the Transvaal Region)N0901,244 lbs41 lbs1,879,837 lbs
17Nickel compoundsN4953 lbs0 lbs1,760,453 lbs
18Toluene108-88-320,074 lbs92 lbs1,377,146 lbs
19Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N090312 lbs438 lbs1,288,433 lbs
20Aluminum oxide (fibrous forms)1344-28-113 lbs0 lbs1,108,293 lbs
21Benzene71-43-290,259 lbs84 lbs1,074,339 lbs
221,4-Dioxane123-91-1246 lbs0 lbs1,067,397 lbs
23Lead And Lead CompoundsN4201,121 lbs1,193 lbs1,064,679 lbs
24Nickel7440-02-0156 lbs240 lbs979,647 lbs
25Ethylbenzene100-41-413,028 lbs4 lbs931,263 lbs
26Isobutyraldehyde78-84-227,901 lbs0 lbs813,736 lbs
27Lead compoundsN420223 lbs38 lbs770,004 lbs
28Copper And Copper CompoundsN1004 lbs831 lbs708,373 lbs
29Formic acid64-18-6308 lbs0 lbs706,122 lbs
30Lead7439-92-18 lbs69 lbs589,410 lbs
31Dimethylamine124-40-31,524 lbs0 lbs567,134 lbs
32Maleic anhydride108-31-627 lbs0 lbs542,252 lbs
33n-Butyl alcohol71-36-367,281 lbs6 lbs524,526 lbs
34n-Hexane110-54-325,724 lbs0 lbs507,205 lbs
351,2,4-Trimethylbenzene95-63-6132,471 lbs2 lbs480,283 lbs
36Dinitrobutyl phenol88-85-73 lbs0 lbs476,094 lbs
37Selenium And Selenium CompoundsN72529 lbs957 lbs467,876 lbs
38Chromium7440-47-31,815 lbs128 lbs455,830 lbs
39Dicyclopentadiene77-73-6404 lbs0 lbs449,601 lbs
40Copper compoundsN1005 lbs117 lbs422,511 lbs
41Barium And Barium CompoundsN04079 lbs0 lbs420,704 lbs
42Silver And Silver CompoundsN74034 lbs486 lbs388,530 lbs
43Cadmium7440-43-916 lbs316 lbs370,653 lbs
44Formaldehyde50-00-03,080 lbs0 lbs336,458 lbs
45Aluminum (fume or dust)7429-90-5964 lbs0 lbs333,298 lbs
46Manganese compoundsN4503 lbs0 lbs324,002 lbs
471,2-Dichloroethane107-06-2850 lbs0 lbs289,773 lbs
48Methyl tert-butyl ether1634-04-449,483 lbs263 lbs289,449 lbs
49Mercury compoundsN4581,286 lbs0 lbs252,107 lbs
50Acrylic acid79-10-729 lbs0 lbs248,432 lbs
51Phthalic anhydride85-44-98 lbs0 lbs248,329 lbs
52Propionaldehyde123-38-61,112 lbs0 lbs214,251 lbs
53Barium7440-39-32 lbs0 lbs213,719 lbs
54Copper7440-50-815 lbs94 lbs205,111 lbs
55Cyclohexane110-82-76,006 lbs7 lbs198,371 lbs
56Nickel And Nickel CompoundsN49597 lbs216 lbs190,022 lbs
57Selenium compoundsN7251 lbs0 lbs185,210 lbs
58Sodium nitrite7632-00-01 lbs0 lbs182,070 lbs
59Biphenyl92-52-420 lbs0 lbs173,925 lbs
60Mercury And Mercury CompoundsN458622 lbs1 lbs171,849 lbs
61Methyl methacrylate80-62-615,032 lbs0 lbs160,873 lbs
62Silver7440-22-48 lbs89 lbs156,682 lbs
63Toluene diisocyanate (mixed isomers)26471-62-59 lbs0 lbs153,073 lbs
642-Methyllactonitrile75-86-52 lbs0 lbs147,142 lbs
65Epichlorohydrin106-89-870 lbs0 lbs141,546 lbs
66Butyl acrylate141-32-25 lbs0 lbs139,200 lbs
67Methyl isobutyl ketone108-10-159,385 lbs3,068 lbs129,544 lbs
68Aniline62-53-3106 lbs0 lbs114,116 lbs
69Antimony compoundsN010242 lbs0 lbs103,635 lbs
70Methyl parathion298-00-05 lbs0 lbs94,286 lbs
71Acetonitrile75-05-8867 lbs0 lbs92,368 lbs
72Dimethyl phthalate131-11-38 lbs0 lbs85,886 lbs
731,2-Dichlorobenzene95-50-135 lbs0 lbs85,788 lbs
74o-Xylene95-47-61 lbs0 lbs85,181 lbs
75Arsenic And Arsenic CompoundsN02013 lbs139 lbs85,173 lbs
76Arsenic7440-38-221 lbs308 lbs80,284 lbs
77Styrene100-42-518,445 lbs0 lbs78,297 lbs
78Cobalt compoundsN0961 lbs0 lbs77,363 lbs
79N,N-Dimethylformamide68-12-216 lbs0 lbs76,350 lbs
80Triethylamine121-44-8103 lbs0 lbs74,128 lbs
81Titanium tetrachloride7550-45-06 lbs0 lbs70,875 lbs
82Dichloromethane75-09-25,741 lbs0 lbs69,503 lbs
83Selenium7782-49-21 lbs192 lbs69,074 lbs
84Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs0 lbs64,843 lbs
85Chloroform67-66-3849 lbs0 lbs59,998 lbs
86Asbestos (friable)1332-21-41 lbs0 lbs59,423 lbs
87Cumene98-82-818 lbs0 lbs58,915 lbs
88Phenol108-95-223 lbs0 lbs54,655 lbs
89Cyclohexanol108-93-00 lbs0 lbs54,237 lbs
90Arsenic compoundsN0207 lbs0 lbs54,039 lbs
91Isoprene78-79-5107 lbs0 lbs44,756 lbs
92Thallium compoundsN76015 lbs0 lbs40,288 lbs
93Propylene oxide75-56-9727 lbs0 lbs39,865 lbs
942,4-Dichlorophenol120-83-20 lbs0 lbs37,482 lbs
95Zinc (fume or dust)7440-66-6672 lbs0 lbs36,101 lbs
96Hydrogen sulfide7783-06-4790 lbs0 lbs34,717 lbs
97Vinyl acetate108-05-416,197 lbs87 lbs30,370 lbs
98Manganese And Manganese CompoundsN450779 lbs0 lbs29,251 lbs
99p-Xylene106-42-30 lbs0 lbs28,776 lbs
1001,3-Butadiene106-99-012,808 lbs0 lbs24,462 lbs
101Hydrogen fluoride7664-39-30 lbs0 lbs21,273 lbs
102Ethylene oxide75-21-830 lbs0 lbs20,600 lbs
103Silver compoundsN7400 lbs0 lbs19,617 lbs
104Mercury7439-97-6163 lbs0 lbs19,060 lbs
105Thiourea62-56-60 lbs0 lbs18,707 lbs
106Hexafluoropropylene oxide dimer acid13252-13-60 lbs0 lbs16,482 lbs
107m-Xylene108-38-31 lbs0 lbs16,469 lbs
108Molybdenum trioxide1313-27-50 lbs0 lbs15,002 lbs
109Chlorine7782-50-5557 lbs0 lbs13,389 lbs
110Allyl alcohol107-18-611 lbs0 lbs13,315 lbs
111Vanadium compoundsN7700 lbs0 lbs11,955 lbs
112Metham sodium137-42-80 lbs0 lbs11,840 lbs
113Antimony7440-36-06 lbs3 lbs11,670 lbs
114Antimony And Antimony CompoundsN010683 lbs0 lbs11,438 lbs
1152-Nitropropane79-46-91 lbs0 lbs10,751 lbs
116Cadmium compoundsN0780 lbs0 lbs9,750 lbs
117Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-08,795 lbs0 lbs8,795 lbs
118Hexafluoropropylene oxide dimer acid ammonium salt62037-80-30 lbs0 lbs8,316 lbs
119Manganese7439-96-559 lbs22 lbs7,406 lbs
120Cobalt7440-48-40 lbs0 lbs3,228 lbs
121Perfluorooctanoic acid335-67-10 lbs0 lbs1,543 lbs
122Vanadium (except when contained in an alloy)7440-62-20 lbs1 lbs851 lbs
123Ethyl acrylate140-88-5730 lbs0 lbs730 lbs
124Propylene115-07-1704 lbs0 lbs704 lbs
125Vinyl chloride75-01-4399 lbs0 lbs399 lbs
126Acetaldehyde75-07-0375 lbs0 lbs375 lbs
127Tetrachloroethylene127-18-4353 lbs0 lbs353 lbs
128Polycyclic aromatic compoundsN5904 lbs0 lbs319 lbs
129Butyraldehyde123-72-8237 lbs0 lbs237 lbs
130Carbon tetrachloride56-23-5227 lbs0 lbs227 lbs
131Toxaphene8001-35-24 lbs0 lbs221 lbs
132Chlordane57-74-93 lbs0 lbs219 lbs
133Heptachlor76-44-81 lbs0 lbs216 lbs
134Trifluralin1582-09-81 lbs0 lbs216 lbs
135Creosote8001-58-9192 lbs0 lbs192 lbs
136Chlorobenzene108-90-7187 lbs0 lbs187 lbs
137Ethylene74-85-1182 lbs0 lbs182 lbs
138Pentachlorobenzene608-93-51 lbs0 lbs143 lbs
139Trichloroethylene79-01-6130 lbs0 lbs130 lbs
140Chloromethane74-87-3129 lbs0 lbs129 lbs
1411,1,2-Trichloroethane79-00-5125 lbs0 lbs125 lbs
142Beryllium7440-41-70 lbs0 lbs108 lbs
143Beryllium compoundsN0500 lbs0 lbs68 lbs
144Polychlorinated biphenyls1336-36-368 lbs0 lbs68 lbs
1451,1,1-Trichloroethane71-55-664 lbs0 lbs64 lbs
146Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification)67-63-063 lbs0 lbs63 lbs
147sec-Butyl alcohol78-92-256 lbs0 lbs56 lbs
148Hexachlorobenzene118-74-12 lbs0 lbs52 lbs
149Acrylonitrile107-13-152 lbs0 lbs52 lbs
1501,4-Dichlorobenzene106-46-744 lbs0 lbs44 lbs
151Vinylidene chloride75-35-434 lbs0 lbs34 lbs
152Pyridine110-86-133 lbs0 lbs33 lbs
153Trichlorofluoromethane (CFC-11)75-69-432 lbs0 lbs32 lbs
154DiisocyanatesN12029 lbs0 lbs29 lbs
155Nitrobenzene98-95-323 lbs0 lbs23 lbs
156Allyl chloride107-05-120 lbs0 lbs20 lbs
157Ethylidene dichloride75-34-317 lbs0 lbs17 lbs
1582-Methoxyethanol109-86-417 lbs0 lbs17 lbs
1591,1,2,2-Tetrachloroethane79-34-516 lbs0 lbs16 lbs
160Pentachloroethane76-01-715 lbs0 lbs15 lbs
161Methyl acrylate96-33-314 lbs0 lbs14 lbs
162Triallate2303-17-513 lbs0 lbs13 lbs
163Diphenylamine122-39-410 lbs0 lbs10 lbs
164Diaminotoluene (mixed isomers)25376-45-810 lbs0 lbs10 lbs
165Carbon disulfide75-15-010 lbs0 lbs10 lbs
1664,4'-Isopropylidenediphenol80-05-79 lbs0 lbs9 lbs
167Lindane58-89-99 lbs0 lbs9 lbs
168Urethane51-79-69 lbs0 lbs9 lbs
1691,2-Dichloropropane78-87-58 lbs0 lbs8 lbs
1702,4-D94-75-78 lbs0 lbs8 lbs
171Toluene-2,4-diisocyanate584-84-98 lbs0 lbs8 lbs
172o-Toluidine95-53-47 lbs0 lbs7 lbs
173Hexachloroethane67-72-16 lbs0 lbs6 lbs
174Dibutyl phthalate84-74-26 lbs0 lbs6 lbs
1751,2,3-Trichloropropane96-18-46 lbs0 lbs6 lbs
176Thiram137-26-86 lbs0 lbs6 lbs
177Hydroquinone123-31-96 lbs0 lbs6 lbs
1784,4'-Methylenedianiline101-77-96 lbs0 lbs6 lbs
179o-Cresol95-48-75 lbs0 lbs5 lbs
180Methoxychlor72-43-55 lbs0 lbs5 lbs
181Acetophenone98-86-25 lbs0 lbs5 lbs
182Dichlorobenzene (mixed isomers)25321-22-64 lbs0 lbs4 lbs
183Fluorouracil51-21-84 lbs0 lbs4 lbs
184Diazinon333-41-54 lbs0 lbs4 lbs
185Malathion121-75-54 lbs0 lbs4 lbs
186Ethylene thiourea96-45-74 lbs0 lbs4 lbs
1872-Ethoxyethanol110-80-54 lbs0 lbs4 lbs
1881,3-Phenylenediamine108-45-23 lbs0 lbs3 lbs
189Hexachlorophene70-30-43 lbs0 lbs3 lbs
190ChlorophenolsN0843 lbs0 lbs3 lbs
191Dibenzofuran132-64-93 lbs0 lbs3 lbs
1922-Methylpyridine109-06-82 lbs0 lbs2 lbs
1931,2,4-Trichlorobenzene120-82-12 lbs0 lbs2 lbs
194Warfarin and saltsN8742 lbs0 lbs2 lbs
195Nicotine and saltsN5032 lbs0 lbs2 lbs
196Hexachloro-1,3-butadiene87-68-32 lbs0 lbs2 lbs
197Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-92 lbs0 lbs2 lbs
198Bifenthrin82657-04-32 lbs0 lbs2 lbs
199Pentachlorophenol87-86-52 lbs0 lbs2 lbs
200Linuron330-55-22 lbs0 lbs2 lbs
201Hexazinone51235-04-22 lbs0 lbs2 lbs
202Chloroethane75-00-31 lbs0 lbs1 lbs
203Paraldehyde123-63-71 lbs0 lbs1 lbs
204Aldrin309-00-21 lbs0 lbs1 lbs
205p-Cresol106-44-51 lbs0 lbs1 lbs
206Permethrin52645-53-11 lbs0 lbs1 lbs
207Phenanthrene85-01-81 lbs0 lbs1 lbs
208Pronamide23950-58-51 lbs0 lbs1 lbs
2092,4-Dinitrotoluene121-14-21 lbs0 lbs1 lbs
2102-Propenoic acid, butyl ester, telomer with 2-[[(heptadecafluorooctyl)sulfonyl]methylamino]ethyl 2-propenoate, 2-[methyl[(nonafluorobutyl)sulfonyl]amino]ethyl 2-propenoate, α-(2-methyl-1-oxo-2-propenyl)-ω-hydroxypoly(oxy-1,4-butanediyl), α-(2-methyl-1-oxo-2-propenyl)-ω-[(2-methyl-1-oxo-2-propenyl)oxy]poly(oxy-1,4-butanediyl), 2-[methyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl 2-propenoate, 2-[methyl[(tridecafluorohexyl)sulfonyl]amino]ethyl 2-propenoate, 2-[methyl[(undecafluoropentyl)sulfonyl]amino]ethyl 2-propenoate and 1-octanethiol68227-96-31 lbs0 lbs1 lbs
211Isodrin465-73-61 lbs0 lbs1 lbs
212Nitroglycerin55-63-01 lbs0 lbs1 lbs
213Carbaryl63-25-21 lbs0 lbs1 lbs
214Dichlorvos62-73-71 lbs0 lbs1 lbs
215m-Cresol108-39-41 lbs0 lbs1 lbs
216Di(2-ethylhexyl) phthalate117-81-71 lbs0 lbs1 lbs
217Diallate2303-16-41 lbs0 lbs1 lbs
218Pendimethalin40487-42-11 lbs0 lbs1 lbs
219Polychlorinated alkanes (C10-C13)N5831 lbs0 lbs1 lbs
2201,2-Dibromoethane106-93-41 lbs0 lbs1 lbs
2211,2-Phenylenediamine95-54-51 lbs0 lbs1 lbs
2221,1,1,2-Tetrachloroethane630-20-61 lbs0 lbs1 lbs
223N-Nitrosodiphenylamine86-30-61 lbs0 lbs1 lbs
224Bis(2-chloroethyl) ether111-44-41 lbs0 lbs1 lbs
225Anthracene120-12-71 lbs0 lbs1 lbs
226Mecoprop93-65-21 lbs0 lbs1 lbs
227Benomyl17804-35-21 lbs0 lbs1 lbs
228Bendiocarb22781-23-31 lbs0 lbs1 lbs
229Aldicarb116-06-31 lbs0 lbs1 lbs
2302,4-Dimethylphenol105-67-91 lbs0 lbs1 lbs
231Captan133-06-21 lbs0 lbs1 lbs
232Acrylamide79-06-11 lbs0 lbs1 lbs
233Thiophanate-methyl23564-05-81 lbs0 lbs1 lbs
2341,2-Dichloroethylene540-59-01 lbs0 lbs1 lbs
235Tetrabromobisphenol A79-94-71 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Methanol, N-Methyl-2-pyrrolidone, Zinc compounds, Cyanide compounds, Diethanolamine
View the full list of 111 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(111 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Methanol67-56-1491 lbs0 lbs3,287,396 lbs
2N-Methyl-2-pyrrolidone872-50-41 lbs0 lbs1,988,561 lbs
3Zinc compoundsN9828 lbs349 lbs1,590,273 lbs
4Cyanide compoundsN1060 lbs0 lbs1,464,969 lbs
5Diethanolamine111-42-20 lbs0 lbs1,132,847 lbs
6Nickel compoundsN4950 lbs0 lbs1,111,378 lbs
7Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs0 lbs598,088 lbs
8Ammonia7664-41-77,583 lbs1 lbs458,755 lbs
9Ethylene glycol107-21-11 lbs0 lbs390,003 lbs
10Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09049 lbs77 lbs325,258 lbs
11Nitric acid7697-37-20 lbs0 lbs290,885 lbs
12Certain glycol ethersN2302,727 lbs0 lbs251,300 lbs
13Aluminum oxide (fibrous forms)1344-28-10 lbs0 lbs248,117 lbs
14Lead And Lead CompoundsN420178 lbs140 lbs233,118 lbs
15Isobutyraldehyde78-84-22,245 lbs0 lbs208,802 lbs
16Toluene108-88-32,224 lbs0 lbs195,868 lbs
17Naphthalene91-20-32,622 lbs0 lbs173,778 lbs
18Xylene (mixed isomers)1330-20-76,584 lbs0 lbs160,297 lbs
19Copper And Copper CompoundsN1002 lbs111 lbs154,860 lbs
20Benzene71-43-22,111 lbs0 lbs111,476 lbs
21Silver And Silver CompoundsN7407 lbs92 lbs99,757 lbs
22Nickel7440-02-00 lbs20 lbs93,439 lbs
23Manganese compoundsN4501 lbs0 lbs85,720 lbs
241,2-Dichloroethane107-06-26 lbs0 lbs82,529 lbs
25n-Butyl alcohol71-36-39,736 lbs0 lbs74,357 lbs
26Selenium And Selenium CompoundsN7254 lbs100 lbs68,868 lbs
27Formic acid64-18-63 lbs0 lbs67,901 lbs
28n-Hexane110-54-33,831 lbs0 lbs67,537 lbs
29Dinitrobutyl phenol88-85-70 lbs0 lbs65,769 lbs
30Ethylbenzene100-41-41,593 lbs0 lbs62,442 lbs
31Chromium compounds (except for chromite ore mined in the Transvaal Region)N0900 lbs0 lbs62,222 lbs
32Aluminum (fume or dust)7429-90-50 lbs0 lbs61,455 lbs
33tert-Butyl alcohol75-65-01,169 lbs273 lbs59,590 lbs
34Barium And Barium CompoundsN04012 lbs0 lbs58,101 lbs
35Maleic anhydride108-31-60 lbs0 lbs52,323 lbs
36Nickel And Nickel CompoundsN49523 lbs69 lbs51,010 lbs
37o-Xylene95-47-60 lbs0 lbs50,147 lbs
38Triethylamine121-44-83 lbs0 lbs39,901 lbs
39Dicyclopentadiene77-73-637 lbs0 lbs37,215 lbs
40Dimethylamine124-40-332 lbs0 lbs33,778 lbs
41Acrylic acid79-10-70 lbs0 lbs31,093 lbs
42Arsenic And Arsenic CompoundsN0206 lbs66 lbs29,093 lbs
431,4-Dioxane123-91-10 lbs0 lbs28,841 lbs
44p-Xylene106-42-30 lbs0 lbs28,776 lbs
45Propionaldehyde123-38-60 lbs0 lbs27,661 lbs
46Cadmium7440-43-92 lbs43 lbs26,681 lbs
47Chromium7440-47-30 lbs32 lbs24,635 lbs
481,2,4-Trimethylbenzene95-63-67,218 lbs0 lbs24,342 lbs
49Antimony compoundsN0100 lbs0 lbs23,650 lbs
502-Methyllactonitrile75-86-50 lbs0 lbs22,681 lbs
51Acetonitrile75-05-840 lbs0 lbs22,493 lbs
52Phthalic anhydride85-44-90 lbs0 lbs22,047 lbs
53Butyl acrylate141-32-20 lbs0 lbs21,997 lbs
54Hydrogen fluoride7664-39-30 lbs0 lbs21,273 lbs
55Dichloromethane75-09-287 lbs0 lbs17,656 lbs
56Vinyl acetate108-05-43,249 lbs0 lbs17,335 lbs
57m-Xylene108-38-30 lbs0 lbs16,468 lbs
58Methyl isobutyl ketone108-10-11,565 lbs52 lbs15,953 lbs
59Formaldehyde50-00-0421 lbs0 lbs15,386 lbs
60Aniline62-53-30 lbs0 lbs13,759 lbs
61Zinc (fume or dust)7440-66-6215 lbs0 lbs11,414 lbs
62Cobalt compoundsN0960 lbs0 lbs10,925 lbs
63Thallium compoundsN7600 lbs0 lbs10,842 lbs
64Dimethyl phthalate131-11-30 lbs0 lbs7,416 lbs
651,2-Dichlorobenzene95-50-10 lbs0 lbs7,230 lbs
66Hexafluoropropylene oxide dimer acid ammonium salt62037-80-30 lbs0 lbs5,728 lbs
67Methyl tert-butyl ether1634-04-45,660 lbs56 lbs5,716 lbs
68Vanadium compoundsN7700 lbs0 lbs5,467 lbs
69Hexafluoropropylene oxide dimer acid13252-13-60 lbs0 lbs4,402 lbs
70Lead compoundsN4200 lbs0 lbs4,131 lbs
71Epichlorohydrin106-89-80 lbs0 lbs2,400 lbs
72Mercury And Mercury CompoundsN458100 lbs1 lbs2,374 lbs
73Lead7439-92-10 lbs0 lbs1,726 lbs
74Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-01,351 lbs0 lbs1,351 lbs
75Cyclohexane110-82-7938 lbs0 lbs938 lbs
76Methyl methacrylate80-62-6914 lbs0 lbs914 lbs
77Perfluorooctanoic acid335-67-10 lbs0 lbs634 lbs
781,3-Butadiene106-99-0433 lbs0 lbs433 lbs
79Mercury compoundsN4580 lbs0 lbs273 lbs
80Mercury7439-97-60 lbs0 lbs222 lbs
81Toxaphene8001-35-20 lbs0 lbs217 lbs
82Chlordane57-74-90 lbs0 lbs216 lbs
83Heptachlor76-44-80 lbs0 lbs215 lbs
84Trifluralin1582-09-80 lbs0 lbs215 lbs
85Ethyl acrylate140-88-5117 lbs0 lbs117 lbs
86Polycyclic aromatic compoundsN5900 lbs0 lbs108 lbs
87sec-Butyl alcohol78-92-255 lbs0 lbs55 lbs
88Styrene100-42-530 lbs0 lbs30 lbs
89Vinyl chloride75-01-421 lbs0 lbs21 lbs
90Ethylene74-85-118 lbs0 lbs18 lbs
91Pentachlorobenzene608-93-50 lbs0 lbs16 lbs
92Ethylene oxide75-21-810 lbs0 lbs10 lbs
93Polychlorinated biphenyls1336-36-37 lbs0 lbs7 lbs
94Chloroform67-66-36 lbs0 lbs6 lbs
95Isoprene78-79-55 lbs0 lbs5 lbs
96Carbon tetrachloride56-23-54 lbs0 lbs4 lbs
97Ethylidene dichloride75-34-33 lbs0 lbs3 lbs
981,1,2-Trichloroethane79-00-53 lbs0 lbs3 lbs
99Chlorobenzene108-90-73 lbs0 lbs3 lbs
1001,4-Dichlorobenzene106-46-72 lbs0 lbs2 lbs
1012-Methylpyridine109-06-82 lbs0 lbs2 lbs
102Trichloroethylene79-01-62 lbs0 lbs2 lbs
103Tetrachloroethylene127-18-42 lbs0 lbs2 lbs
104DiisocyanatesN1202 lbs0 lbs2 lbs
105Vinylidene chloride75-35-41 lbs0 lbs1 lbs
106Pyridine110-86-11 lbs0 lbs1 lbs
107Methyl acrylate96-33-31 lbs0 lbs1 lbs
1081,1,1-Trichloroethane71-55-61 lbs0 lbs1 lbs
109Allyl chloride107-05-11 lbs0 lbs1 lbs
110Butyraldehyde123-72-81 lbs0 lbs1 lbs
111Nitrobenzene98-95-31 lbs0 lbs1 lbs
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