Data-driven insights for local properties

📊 Environmental Assessment Report

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.

🌊 Part 1: Flood Risk Analysis

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
0 HIGHWAY 225 DEER PARK 77571
Elevation
28.05 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very Low
Risk based on FEMA zone and simulation.

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 Low
Flood Depth
0 ft ±0.5 ft
No flooding at current water level.
Water Surface Elevation (WSE)
N/A
Water surface elevation data not available.
Area Inundated
N/A
Data not available
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage Estimate (HCAD Valuation)
$0
Vacant lot (no building data). No structure to calculate damage for.
Depth-Damage Estimate (Neighborhood Comparison)
$0
Vacant lot (no building data). No structure to calculate damage for.
Analysis Method
COG Bathtub 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 Safe
Safety Margin: 18.05 feet
Severity: Safe

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.

  • FEMA Zone X (minimal hazard) - flood insurance available at preferred rates.
  • Review the interactive flood simulator to understand how different rainfall events could affect this property.
  • Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information.

🏭 Part 2: Industrial Pollution Exposure

Property Pollution Ranking
Very High
Higher pollution than 94% of Houston homes
This ranking compares pollution levels within 2 miles of this property against 10,000 randomly sampled Houston metro properties. Lower percentiles indicate higher pollution exposure.
Industrial Pollution Nearby (Last 10 Years)
20.63 million lbs
Extremely High
3162.7x more than typical Houston property
≈ 1.0K dump trucks of chemicals within 2 miles
Total chemical releases from all industrial facilities within a 2-mile radius over the past decade (2014–2024). Data from EPA's Toxic Release Inventory tracking air, water, and land discharges.
💨 Air Pollution (Last 10 Years)
12.69 million lbs
Extremely High
2630.8x more than typical Houston property
Chemicals released into the air from nearby facilities over 10 years. Includes both fugitive emissions (leaks, evaporation) and stack emissions (smokestacks, vents). May affect local air quality.
💧 Water Pollution (Last 10 Years)
7.95 million lbs
Extremely High
Most Houston properties have none nearby
Chemical discharges to surface water (bayous, streams, drainage) from industrial facilities within 2 miles over the past decade. May impact local waterways and drainage systems.

❤️ 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)20,634,655 lbs12,686,761 lbs7,947,894 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)5,206,647 lbs1,098,093 lbs707,765 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 94% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 0-9th percentile (top 10% most polluted).

Top chemicals released near this property (past 10 years):

Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ethylene, Propylene, Zinc compounds, Methanol

View the full list of 234 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (234 chemicals)

#ChemicalCAS#Air (lbs, 10yr)Water (lbs, 10yr)Total (lbs, 10yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5119 lbs7,119,876 lbs7,119,886 lbs
2Ethylene74-85-13,046,695 lbs0 lbs3,046,695 lbs
3Propylene115-07-12,924,154 lbs0 lbs2,924,154 lbs
4Zinc compoundsN9827,719 lbs42,886 lbs2,673,720 lbs
5Methanol67-56-1922,862 lbs691,064 lbs1,613,926 lbs
6Ammonia7664-41-71,036,090 lbs30,921 lbs1,488,491 lbs
7Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N090312 lbs423 lbs1,288,417 lbs
8Aluminum oxide (fibrous forms)1344-28-113 lbs0 lbs1,108,293 lbs
9Vinyl acetate108-05-41,065,140 lbs5,684 lbs1,070,824 lbs
10Lead And Lead CompoundsN4201,132 lbs1,204 lbs1,064,701 lbs
11Lead compoundsN420232 lbs88 lbs751,347 lbs
12Copper And Copper CompoundsN1005 lbs9,570 lbs717,114 lbs
13Methyl methacrylate80-62-6642,124 lbs0 lbs642,124 lbs
14Chromium compounds (except for chromite ore mined in the Transvaal Region)N0908 lbs81 lbs638,329 lbs
15n-Hexane110-54-3617,914 lbs0 lbs617,914 lbs
16Selenium And Selenium CompoundsN72529 lbs957 lbs467,876 lbs
17Copper compoundsN1005 lbs14,687 lbs437,081 lbs
18Lead7439-92-18 lbs78 lbs436,135 lbs
19Barium And Barium CompoundsN04079 lbs99 lbs420,803 lbs
20Silver And Silver CompoundsN74034 lbs486 lbs388,530 lbs
21Aluminum (fume or dust)7429-90-51,426 lbs0 lbs333,760 lbs
22Manganese compoundsN45030 lbs0 lbs324,029 lbs
23Hydrogen cyanide74-90-8287,023 lbs1,846 lbs288,869 lbs
24Mercury compoundsN4581,288 lbs0 lbs251,836 lbs
25Butyl acrylate141-32-2246,390 lbs0 lbs246,390 lbs
26Chromium7440-47-33 lbs51 lbs225,153 lbs
27Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0220,239 lbs0 lbs220,239 lbs
28Barium7440-39-32 lbs0 lbs213,719 lbs
29Cadmium7440-43-916 lbs316 lbs212,173 lbs
30Vinyl chloride75-01-4203,160 lbs79 lbs203,239 lbs
31n-Butyl alcohol71-36-3196,487 lbs0 lbs196,487 lbs
32Nickel And Nickel CompoundsN49597 lbs216 lbs190,022 lbs
33Selenium compoundsN7251 lbs0 lbs180,047 lbs
34Nickel compoundsN4953 lbs0 lbs178,941 lbs
351,2-Dichloroethane107-06-2177,302 lbs59 lbs177,360 lbs
36Mercury And Mercury CompoundsN458623 lbs1 lbs171,850 lbs
37Silver7440-22-48 lbs89 lbs156,682 lbs
38Nickel7440-02-050 lbs149 lbs148,913 lbs
39Acrylic acid79-10-7128,006 lbs0 lbs128,006 lbs
40Acetaldehyde75-07-0104,156 lbs1,275 lbs105,431 lbs
41Antimony compoundsN0107 lbs0 lbs103,400 lbs
42Arsenic And Arsenic CompoundsN02013 lbs139 lbs85,173 lbs
43Arsenic7440-38-221 lbs308 lbs80,284 lbs
44Cobalt compoundsN0961 lbs0 lbs77,363 lbs
45Chlorine7782-50-570,953 lbs3,421 lbs74,374 lbs
46Titanium tetrachloride7550-45-06 lbs0 lbs70,875 lbs
471,3-Butadiene106-99-070,137 lbs45 lbs70,182 lbs
48Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs1,936 lbs66,779 lbs
49Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-965,729 lbs0 lbs65,729 lbs
50Certain glycol ethersN23064,631 lbs0 lbs64,631 lbs
51Selenium7782-49-21 lbs192 lbs62,376 lbs
52Asbestos (friable)1332-21-41 lbs0 lbs59,423 lbs
53Ethylene glycol107-21-149,428 lbs9,387 lbs58,815 lbs
54Copper7440-50-80 lbs49 lbs57,714 lbs
55Arsenic compoundsN0207 lbs0 lbs54,039 lbs
56Propylene oxide75-56-953,802 lbs0 lbs53,802 lbs
57Dicyclopentadiene77-73-649,241 lbs26 lbs49,267 lbs
58Formaldehyde50-00-047,426 lbs0 lbs47,426 lbs
59Xylene (mixed isomers)1330-20-743,821 lbs0 lbs43,821 lbs
60Thallium compoundsN76015 lbs0 lbs40,288 lbs
61Cyanide compoundsN1061 lbs9,834 lbs39,319 lbs
62Methyl iodide74-88-437,993 lbs0 lbs37,993 lbs
63Toluene108-88-337,819 lbs74 lbs37,893 lbs
64Zinc (fume or dust)7440-66-6672 lbs0 lbs36,101 lbs
65Ethyl acrylate140-88-536,084 lbs0 lbs36,084 lbs
66Manganese And Manganese CompoundsN450779 lbs0 lbs29,251 lbs
67Benzene71-43-222,173 lbs42 lbs22,215 lbs
68Silver compoundsN7400 lbs0 lbs19,617 lbs
69Mercury7439-97-6163 lbs0 lbs18,764 lbs
70Maleic anhydride108-31-617,835 lbs0 lbs17,835 lbs
71Hydrogen sulfide7783-06-417,437 lbs0 lbs17,437 lbs
72Chlorobenzene108-90-716,223 lbs0 lbs16,223 lbs
73Chloroethane75-00-314,532 lbs0 lbs14,532 lbs
74Cyclohexane110-82-714,402 lbs0 lbs14,402 lbs
75Boron trifluoride7637-07-214,201 lbs0 lbs14,201 lbs
76Methyl isobutyl ketone108-10-113,403 lbs0 lbs13,403 lbs
77Chloroform67-66-311,720 lbs51 lbs11,770 lbs
78Antimony7440-36-06 lbs3 lbs11,670 lbs
79Antimony And Antimony CompoundsN010683 lbs0 lbs11,438 lbs
80Cadmium compoundsN0780 lbs0 lbs9,750 lbs
81Trade SecretTRD SECRT9,705 lbs0 lbs9,705 lbs
82N,N-Dimethylformamide68-12-29,035 lbs0 lbs9,035 lbs
832-Methyllactonitrile75-86-58,412 lbs0 lbs8,412 lbs
84Carbon tetrachloride56-23-57,997 lbs0 lbs7,997 lbs
85Manganese7439-96-50 lbs0 lbs7,325 lbs
86Acrylonitrile107-13-17,023 lbs0 lbs7,023 lbs
87Isoprene78-79-55,949 lbs0 lbs5,949 lbs
88Dichloromethane75-09-25,585 lbs0 lbs5,585 lbs
89DiisocyanatesN1204,310 lbs0 lbs4,310 lbs
90Molybdenum trioxide1313-27-50 lbs0 lbs4,062 lbs
91Methyl tert-butyl ether1634-04-43,935 lbs0 lbs3,935 lbs
92Cobalt7440-48-40 lbs0 lbs3,228 lbs
931,1,2-Trichloroethane79-00-52,961 lbs0 lbs2,961 lbs
94Formic acid64-18-62,515 lbs0 lbs2,515 lbs
95Vanadium compoundsN7700 lbs0 lbs2,459 lbs
96Ethylidene dichloride75-34-32,197 lbs0 lbs2,197 lbs
97Styrene100-42-52,103 lbs0 lbs2,103 lbs
98Di(2-ethylhexyl) phthalate117-81-72,021 lbs0 lbs2,021 lbs
991,2-Dichloroethylene540-59-01,429 lbs0 lbs1,429 lbs
100Nonylphenol EthoxylatesN5351,381 lbs0 lbs1,381 lbs
101Vanadium (except when contained in an alloy)7440-62-20 lbs1 lbs851 lbs
102Acetonitrile75-05-8849 lbs0 lbs849 lbs
103Vinylidene chloride75-35-4728 lbs0 lbs728 lbs
104Ethylbenzene100-41-4628 lbs32 lbs660 lbs
105Tetrachloroethylene127-18-4637 lbs0 lbs637 lbs
106Naphthalene91-20-3538 lbs33 lbs571 lbs
107Chloromethane74-87-3455 lbs0 lbs455 lbs
108Dimethylamine124-40-3417 lbs0 lbs417 lbs
109Hydroquinone123-31-9394 lbs0 lbs394 lbs
110Acrolein107-02-8326 lbs0 lbs326 lbs
111Nitric acid7697-37-2311 lbs0 lbs311 lbs
1121,1,2,2-Tetrachloroethane79-34-5306 lbs0 lbs306 lbs
113Pentachloroethane76-01-7260 lbs0 lbs260 lbs
114Trichloroethylene79-01-6203 lbs0 lbs203 lbs
115Creosote8001-58-9192 lbs0 lbs192 lbs
116NonylphenolN530161 lbs13 lbs174 lbs
117Hexachlorocyclopentadiene77-47-4110 lbs33 lbs143 lbs
118Triethylamine121-44-8114 lbs0 lbs114 lbs
119Beryllium7440-41-70 lbs0 lbs108 lbs
120Aniline62-53-3102 lbs0 lbs102 lbs
121Hexachloroethane67-72-187 lbs0 lbs87 lbs
122tert-Butyl alcohol75-65-079 lbs0 lbs79 lbs
123sec-Butyl alcohol78-92-268 lbs0 lbs68 lbs
124Beryllium compoundsN0500 lbs0 lbs68 lbs
125Polychlorinated biphenyls1336-36-368 lbs0 lbs68 lbs
1261,1,1-Trichloroethane71-55-664 lbs0 lbs64 lbs
127Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification)67-63-063 lbs0 lbs63 lbs
128Methyl acrylate96-33-362 lbs0 lbs62 lbs
129Dioxin and dioxin-like compoundsN1500 lbs60 lbs61 lbs
130Diethanolamine111-42-259 lbs0 lbs59 lbs
1311,4-Dichlorobenzene106-46-744 lbs0 lbs44 lbs
132Epichlorohydrin106-89-844 lbs0 lbs44 lbs
133Diphenylamine122-39-420 lbs14 lbs35 lbs
134Pyridine110-86-133 lbs0 lbs33 lbs
135Trichlorofluoromethane (CFC-11)75-69-432 lbs0 lbs32 lbs
136Hexachlorobenzene118-74-117 lbs14 lbs31 lbs
1371,2,4-Trimethylbenzene95-63-629 lbs0 lbs29 lbs
138Ethylene oxide75-21-829 lbs0 lbs29 lbs
1391,2-Dichlorobenzene95-50-129 lbs0 lbs29 lbs
140Nitrobenzene98-95-323 lbs0 lbs23 lbs
141Phenol108-95-220 lbs0 lbs20 lbs
142Allyl chloride107-05-120 lbs0 lbs20 lbs
143Butyraldehyde123-72-819 lbs0 lbs19 lbs
144Biphenyl92-52-417 lbs0 lbs17 lbs
145Triallate2303-17-513 lbs0 lbs13 lbs
146N-Methyl-2-pyrrolidone872-50-412 lbs0 lbs12 lbs
147Diaminotoluene (mixed isomers)25376-45-810 lbs0 lbs10 lbs
148Carbon disulfide75-15-010 lbs0 lbs10 lbs
149Polycyclic aromatic compoundsN59010 lbs0 lbs10 lbs
150Chloroprene126-99-810 lbs0 lbs10 lbs
1514,4'-Isopropylidenediphenol80-05-79 lbs0 lbs9 lbs
152Lindane58-89-99 lbs0 lbs9 lbs
153Urethane51-79-69 lbs0 lbs9 lbs
1541,2-Dichloropropane78-87-58 lbs0 lbs8 lbs
1552,4-D94-75-78 lbs0 lbs8 lbs
156Toluene-2,4-diisocyanate584-84-98 lbs0 lbs8 lbs
1571,4-Dioxane123-91-17 lbs0 lbs7 lbs
158o-Toluidine95-53-47 lbs0 lbs7 lbs
159Phthalic anhydride85-44-96 lbs0 lbs6 lbs
160Dibutyl phthalate84-74-26 lbs0 lbs6 lbs
1611,2,3-Trichloropropane96-18-46 lbs0 lbs6 lbs
162Thiram137-26-86 lbs0 lbs6 lbs
1634,4'-Methylenedianiline101-77-96 lbs0 lbs6 lbs
164Allyl alcohol107-18-65 lbs0 lbs5 lbs
165o-Cresol95-48-75 lbs0 lbs5 lbs
166Methoxychlor72-43-55 lbs0 lbs5 lbs
167Acetophenone98-86-25 lbs0 lbs5 lbs
168Dichlorobenzene (mixed isomers)25321-22-64 lbs0 lbs4 lbs
169Cumene98-82-84 lbs0 lbs4 lbs
170Fluorouracil51-21-84 lbs0 lbs4 lbs
171Diazinon333-41-54 lbs0 lbs4 lbs
172Cresol (mixed isomers)1319-77-34 lbs0 lbs4 lbs
173Malathion121-75-54 lbs0 lbs4 lbs
1742-Methoxyethanol109-86-44 lbs0 lbs4 lbs
175Toxaphene8001-35-24 lbs0 lbs4 lbs
176Ethylene thiourea96-45-74 lbs0 lbs4 lbs
1772-Ethoxyethanol110-80-54 lbs0 lbs4 lbs
1781,3-Phenylenediamine108-45-23 lbs0 lbs3 lbs
179Hexachlorophene70-30-43 lbs0 lbs3 lbs
180ChlorophenolsN0843 lbs0 lbs3 lbs
181Propionaldehyde123-38-63 lbs0 lbs3 lbs
182Bis(2-chloroethyl) ether111-44-43 lbs0 lbs3 lbs
183Chlordane57-74-93 lbs0 lbs3 lbs
184Dibenzofuran132-64-93 lbs0 lbs3 lbs
1852-Methylpyridine109-06-82 lbs0 lbs2 lbs
1861,2,4-Trichlorobenzene120-82-12 lbs0 lbs2 lbs
187Warfarin and saltsN8742 lbs0 lbs2 lbs
188Nicotine and saltsN5032 lbs0 lbs2 lbs
189Hexachloro-1,3-butadiene87-68-32 lbs0 lbs2 lbs
190Bifenthrin82657-04-32 lbs0 lbs2 lbs
191Dimethyl phthalate131-11-32 lbs0 lbs2 lbs
192Pentachlorophenol87-86-52 lbs0 lbs2 lbs
193Linuron330-55-22 lbs0 lbs2 lbs
194Hexazinone51235-04-22 lbs0 lbs2 lbs
195Heptachlor76-44-81 lbs0 lbs1 lbs
196Benzo[g,h,i]perylene191-24-21 lbs1 lbs1 lbs
197Paraldehyde123-63-71 lbs0 lbs1 lbs
198Pentachlorobenzene608-93-51 lbs0 lbs1 lbs
199Aldrin309-00-21 lbs0 lbs1 lbs
200p-Cresol106-44-51 lbs0 lbs1 lbs
2012-Nitropropane79-46-91 lbs0 lbs1 lbs
202Permethrin52645-53-11 lbs0 lbs1 lbs
203Phenanthrene85-01-81 lbs0 lbs1 lbs
204Pronamide23950-58-51 lbs0 lbs1 lbs
2052,4-Dinitrotoluene121-14-21 lbs0 lbs1 lbs
2062-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
207Methyl parathion298-00-01 lbs0 lbs1 lbs
208Isodrin465-73-61 lbs0 lbs1 lbs
209Nitroglycerin55-63-01 lbs0 lbs1 lbs
210Carbaryl63-25-21 lbs0 lbs1 lbs
211Dichlorvos62-73-71 lbs0 lbs1 lbs
212m-Cresol108-39-41 lbs0 lbs1 lbs
213m-Xylene108-38-31 lbs0 lbs1 lbs
214Diallate2303-16-41 lbs0 lbs1 lbs
215Pendimethalin40487-42-11 lbs0 lbs1 lbs
216Polychlorinated alkanes (C10-C13)N5831 lbs0 lbs1 lbs
2171,2-Dibromoethane106-93-41 lbs0 lbs1 lbs
2181,2-Phenylenediamine95-54-51 lbs0 lbs1 lbs
2191,1,1,2-Tetrachloroethane630-20-61 lbs0 lbs1 lbs
220N-Nitrosodiphenylamine86-30-61 lbs0 lbs1 lbs
221Sodium nitrite7632-00-01 lbs0 lbs1 lbs
222Anthracene120-12-71 lbs0 lbs1 lbs
223Mecoprop93-65-21 lbs0 lbs1 lbs
224Toluene diisocyanate (mixed isomers)26471-62-51 lbs0 lbs1 lbs
225Isobutyraldehyde78-84-21 lbs0 lbs1 lbs
226Bendiocarb22781-23-31 lbs0 lbs1 lbs
227Benomyl17804-35-21 lbs0 lbs1 lbs
228Aldicarb116-06-31 lbs0 lbs1 lbs
2292,4-Dimethylphenol105-67-91 lbs0 lbs1 lbs
230Captan133-06-21 lbs0 lbs1 lbs
231Acrylamide79-06-11 lbs0 lbs1 lbs
232Thiophanate-methyl23564-05-81 lbs0 lbs1 lbs
233Tetrabromobisphenol A79-94-71 lbs0 lbs1 lbs
234Trifluralin1582-09-81 lbs0 lbs1 lbs

Top chemicals released near this property (2024 only):

Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Zinc compounds, Methyl methacrylate, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)

View the full list of 140 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (140 chemicals)

#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs629,081 lbs638,792 lbs
2Ammonia7664-41-798,317 lbs2,056 lbs570,047 lbs
3Zinc compoundsN982432 lbs1,674 lbs547,645 lbs
4Methyl methacrylate80-62-659,104 lbs0 lbs414,787 lbs
5Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09049 lbs66 lbs341,543 lbs
6Ethylene74-85-1300,963 lbs0 lbs300,963 lbs
7Aluminum oxide (fibrous forms)1344-28-10 lbs0 lbs270,663 lbs
8Propylene115-07-1264,362 lbs0 lbs264,362 lbs
9Lead And Lead CompoundsN420178 lbs144 lbs239,635 lbs
10Methanol67-56-155,775 lbs69,184 lbs198,452 lbs
11Copper And Copper CompoundsN1002 lbs4,129 lbs172,600 lbs
12Maleic anhydride108-31-62,270 lbs0 lbs135,590 lbs
13Silver And Silver CompoundsN7407 lbs92 lbs107,122 lbs
14Manganese compoundsN4501 lbs0 lbs95,992 lbs
15Aluminum (fume or dust)7429-90-526 lbs0 lbs88,438 lbs
16Vinyl acetate108-05-482,469 lbs410 lbs83,316 lbs
17Butyl acrylate141-32-224,361 lbs0 lbs81,487 lbs
18Selenium And Selenium CompoundsN7254 lbs100 lbs75,707 lbs
19n-Hexane110-54-365,515 lbs0 lbs67,445 lbs
20Barium And Barium CompoundsN04012 lbs0 lbs65,889 lbs
21Nickel And Nickel CompoundsN49523 lbs69 lbs60,437 lbs
22n-Butyl alcohol71-36-330,571 lbs0 lbs38,390 lbs
23Arsenic And Arsenic CompoundsN0206 lbs66 lbs30,307 lbs
24Cadmium7440-43-92 lbs43 lbs28,414 lbs
25Antimony compoundsN0100 lbs0 lbs26,943 lbs
26DiisocyanatesN1201,845 lbs0 lbs24,098 lbs
27Toluene108-88-33,576 lbs11 lbs22,498 lbs
28Hydrogen cyanide74-90-812,157 lbs0 lbs17,407 lbs
29Vinyl chloride75-01-412,784 lbs5 lbs12,807 lbs
30Zinc (fume or dust)7440-66-6215 lbs0 lbs12,790 lbs
311,2-Dichloroethane107-06-212,360 lbs15 lbs12,737 lbs
32Cobalt compoundsN0960 lbs0 lbs12,049 lbs
33Thallium compoundsN7600 lbs0 lbs11,354 lbs
34Acrylic acid79-10-79,951 lbs0 lbs9,951 lbs
35Cresol (mixed isomers)1319-77-30 lbs0 lbs9,186 lbs
36Methyl isobutyl ketone108-10-12,474 lbs0 lbs6,926 lbs
37Acetaldehyde75-07-05,933 lbs161 lbs6,175 lbs
38Phenol108-95-20 lbs0 lbs5,752 lbs
39Trade SecretTRD SECRT5,677 lbs0 lbs5,677 lbs
40Chlorine7782-50-55,622 lbs0 lbs5,622 lbs
41Ethyl acrylate140-88-53,769 lbs0 lbs5,572 lbs
42Chlorobenzene108-90-73 lbs0 lbs5,453 lbs
43Formaldehyde50-00-05,252 lbs0 lbs5,276 lbs
44Xylene (mixed isomers)1330-20-71,153 lbs0 lbs5,193 lbs
45Pentachlorophenol87-86-50 lbs0 lbs4,592 lbs
46Dicyclopentadiene77-73-64,280 lbs5 lbs4,285 lbs
47Benzene71-43-21,767 lbs3 lbs4,037 lbs
481,3-Butadiene106-99-03,952 lbs9 lbs3,961 lbs
49Polycyclic aromatic compoundsN5903 lbs0 lbs3,627 lbs
50Certain glycol ethersN2303,027 lbs0 lbs3,249 lbs
51Mercury And Mercury CompoundsN458101 lbs1 lbs2,777 lbs
52Ethylbenzene100-41-4362 lbs2 lbs2,763 lbs
53Cyclohexane110-82-71,729 lbs0 lbs2,624 lbs
54Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-02,423 lbs0 lbs2,428 lbs
55Dioxin and dioxin-like compoundsN1500 lbs7 lbs2,327 lbs
56Toluene-2,4-diisocyanate584-84-90 lbs0 lbs2,095 lbs
57Ethylene glycol107-21-11,649 lbs0 lbs1,973 lbs
58Toluene diisocyanate (mixed isomers)26471-62-50 lbs0 lbs1,873 lbs
59Acrylonitrile107-13-11,776 lbs0 lbs1,786 lbs
602-Ethoxyethanol110-80-50 lbs0 lbs1,753 lbs
61Methyl iodide74-88-41,600 lbs0 lbs1,600 lbs
62Chloroethane75-00-31,506 lbs0 lbs1,506 lbs
63Boron trifluoride7637-07-21,192 lbs0 lbs1,192 lbs
64Dichloromethane75-09-289 lbs0 lbs1,146 lbs
65Chloroform67-66-3803 lbs9 lbs1,122 lbs
662-Methyllactonitrile75-86-5998 lbs0 lbs998 lbs
67NonylphenolN53012 lbs0 lbs848 lbs
681,4-Dichlorobenzene106-46-72 lbs0 lbs842 lbs
69Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-90 lbs0 lbs795 lbs
70Styrene100-42-5166 lbs0 lbs737 lbs
71Carbon tetrachloride56-23-5576 lbs0 lbs630 lbs
72Isoprene78-79-5583 lbs0 lbs583 lbs
73N,N-Dimethylformamide68-12-2570 lbs0 lbs572 lbs
742,4-D94-75-70 lbs0 lbs510 lbs
75Lead7439-92-10 lbs5 lbs495 lbs
76Methoxychlor72-43-50 lbs0 lbs460 lbs
77Cyanide compoundsN1060 lbs396 lbs458 lbs
781,2,4-Trimethylbenzene95-63-60 lbs0 lbs400 lbs
79Formic acid64-18-6294 lbs0 lbs294 lbs
804,4'-Methylenedianiline101-77-90 lbs0 lbs291 lbs
81Naphthalene91-20-3270 lbs18 lbs288 lbs
82Tetrachloroethylene127-18-426 lbs0 lbs242 lbs
83Hydrogen sulfide7783-06-4235 lbs0 lbs235 lbs
841,1,2-Trichloroethane79-00-5230 lbs0 lbs232 lbs
85Pyridine110-86-11 lbs0 lbs231 lbs
86Nonylphenol EthoxylatesN5350 lbs0 lbs212 lbs
87Aniline62-53-30 lbs0 lbs201 lbs
88Nitric acid7697-37-231 lbs0 lbs197 lbs
89Ethylidene dichloride75-34-3159 lbs0 lbs159 lbs
90Trichloroethylene79-01-69 lbs0 lbs146 lbs
91Hexachloroethane67-72-17 lbs0 lbs145 lbs
92tert-Butyl alcohol75-65-01 lbs0 lbs130 lbs
93Acetonitrile75-05-840 lbs0 lbs129 lbs
941,2-Dichloroethylene540-59-0103 lbs0 lbs103 lbs
95Nitrobenzene98-95-31 lbs0 lbs93 lbs
96Hydroquinone123-31-984 lbs0 lbs84 lbs
97Vinylidene chloride75-35-451 lbs0 lbs83 lbs
98Vanadium compoundsN7700 lbs0 lbs56 lbs
991,2-Phenylenediamine95-54-50 lbs0 lbs39 lbs
100Benzo[g,h,i]perylene191-24-20 lbs0 lbs38 lbs
101Dibutyl phthalate84-74-20 lbs0 lbs36 lbs
1024,4'-Isopropylidenediphenol80-05-70 lbs0 lbs33 lbs
103Dimethylamine124-40-332 lbs0 lbs32 lbs
104Cumene98-82-80 lbs0 lbs32 lbs
105Acrolein107-02-827 lbs0 lbs27 lbs
1061,1,1-Trichloroethane71-55-61 lbs0 lbs27 lbs
1071,1,2,2-Tetrachloroethane79-34-524 lbs0 lbs24 lbs
108Hydrogen fluoride7664-39-30 lbs0 lbs24 lbs
109Hexachloro-1,3-butadiene87-68-30 lbs0 lbs23 lbs
110Toxaphene8001-35-20 lbs0 lbs23 lbs
111Permethrin52645-53-10 lbs0 lbs21 lbs
112Pentachloroethane76-01-720 lbs0 lbs20 lbs
113Lindane58-89-90 lbs0 lbs18 lbs
114Asbestos (friable)1332-21-40 lbs0 lbs17 lbs
115Hexachlorocyclopentadiene77-47-410 lbs5 lbs15 lbs
116m-Cresol108-39-40 lbs0 lbs14 lbs
117Methyl tert-butyl ether1634-04-411 lbs0 lbs11 lbs
118Polychlorinated biphenyls1336-36-37 lbs0 lbs10 lbs
119Ethylene oxide75-21-810 lbs0 lbs10 lbs
120Allyl alcohol107-18-60 lbs0 lbs9 lbs
121Hexachlorobenzene118-74-11 lbs1 lbs8 lbs
122Trichlorofluoromethane (CFC-11)75-69-40 lbs0 lbs7 lbs
123Carbaryl63-25-20 lbs0 lbs6 lbs
124sec-Butyl alcohol78-92-25 lbs0 lbs5 lbs
125Dichlorobenzene (mixed isomers)25321-22-60 lbs0 lbs5 lbs
126Epichlorohydrin106-89-80 lbs0 lbs3 lbs
127Triethylamine121-44-83 lbs0 lbs3 lbs
1281,2-Dichlorobenzene95-50-10 lbs0 lbs2 lbs
1291,4-Dioxane123-91-10 lbs0 lbs2 lbs
130Warfarin and saltsN8740 lbs0 lbs2 lbs
131Chlordane57-74-90 lbs0 lbs2 lbs
1322-Methylpyridine109-06-82 lbs0 lbs2 lbs
133Phenanthrene85-01-80 lbs0 lbs1 lbs
134Heptachlor76-44-80 lbs0 lbs1 lbs
135Propylene oxide75-56-91 lbs0 lbs1 lbs
136N-Methyl-2-pyrrolidone872-50-41 lbs0 lbs1 lbs
137Chloroprene126-99-81 lbs0 lbs1 lbs
138Methyl acrylate96-33-31 lbs0 lbs1 lbs
139Allyl chloride107-05-11 lbs0 lbs1 lbs
140Butyraldehyde123-72-81 lbs0 lbs1 lbs

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