ChemTreat A101

Hazard statements (CLP)

H290, H303, H304, H313, H314, H318, H320, H333, H335

Code

Statements

H290

May be corrosive to metals

Signal word

DANGER None WARNING WARNING None Applicable

Classification (GHS-US)

Skin corrosion/irritation — Category 1a Eye damage/irritation — Category 1 Corrosive to Metals — Category 1 Non—Hazardous Substance Eye damage/irritation — Category 2b

Hazard statements

H314 Causes severe skin burns and eye damage. H318 Causes serious eye damage. H290 May be corrosive to metals. Non—Hazardous Substance H304 May be fatal if swallowed and enters airways. H313 May be harmful in contact with skin. H320 Causes eye irritation. H335 May cause respiratory irritation. H313 May be harmful in contact with skin. H333 May be harmful if inhaled. H303 May be harmful if swallowed. None Applicable

Prevention

P260 Do not breathe dust/fume/gas/mist/vapors/spray. P264 Wash thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P234 Keep only in original container. 18120401AN 12/04/18 Page 1 of 10 ChemfTreat A101 Section 9. Physical and Chemical Properties Physical State and Appearance: Liquid, Green, Clear Specific Gravity: 1.330 @ 20°C pH: 3.5 @ 20°C, 1.0% Freezing Point: 10°F Flash Point: N/D Odor: Mild Melting Point: N/A Initial Boiling Point and Boiling Range: 214°F Solubility in Water: Complete Evaporation Rate: N/D Vapor Density: N/D Molecular Weight: N/D Viscosity: N/A Flammability (solid, gas): N/D Flammable Limits: N/A Autoignition Temperature: N/A Density: 11.10 LB/GA Vapor Pressure: N/D % VOC: N/D Odor Threshold N/D n-octanol Partition Coefficient N/D Decomposition Temperature N/D Section 10. Stability and Reactivity Chemical Stability: Stable at normal temperatures and pressures. Incompatibility with Various Strong oxidizers, Strong Alkalis, Iron, Copper/copper alloys. Substances: Hazardous Decomposition Oxides of sulfur, Oxides of aluminum. Products: Possibility of Hazardous None known. Reactions: Reactivity: N/D Conditions To Avoid: N/D 18120401AN 12/04/18 Page 5 of 10 ChemTreat A101 Section 1. Chemical Product and Company Identification Product Name: ChemTreat FO180 Product Use: Defoamer Supplier’s Name: ChemTreat, Inc. Emergency Telephone Number: (800)424—9300 (Toll Free) Address (Corporate Headquarters): 5640 Cox Road Glen Allen, VA 23060 Telephone Number for Information: (800)648-4579 Publication date August 27, 2018 Revision Date: August 27, 2018 Revision Number: 18082701AN None. P264 Wash thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P260 Do not breathe dust/fume/gas/mist/vapors/spray. P243 Take action to prevent static discharges. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. None.

Precautionary statements

No significant health risks are expected from exposures under normal conditions of use. No significant health risks are expected from exposures under normal conditions of use.

Response

None. None. None.

Storage

None. None. None. Store away from incompatible materials (see Section 10). Store at ambient temperatures. Keep container securely closed when not in use. Label precautions also apply to empty container. Recondition or dispose of empty containers in accordance with government regulations. For Industrial use only. Protect from heat and sources of ignition. Do not freeze. Store above Freeze Point. If freezes, then product is unusable. Section 8. Exposure Controls/Personal Protection Exposure Limits Component Source Exposure Limits Components not listed are either non hazardous or in N/E concentration of less than 1% Engineering Controls: Use only with adequate ventilation. The use of local ventilation is recommended to control emission near the source. 18072301 AN 07/23/18 Page 3 of 9 ChemTreat FO700 er Personal Protection Eyes: Wear chemical splash goggles or safety glasses with full-face shield. Maintain eyewash fountain in work area. Skin: Maintain quick—drench facilities in work area. Wear butyl rubber or neoprene gloves. Wash them after each use and replace as necessary. If conditions warrant, wear protective clothing such as boots, aprons, and coveralls to prevent skin contact. Respiratory: If misting occurs, use NIOSH approved organic vapor/acid gas dual cartridge respirator with a dust/mist prefilter in accordance with 29 CFR 1910.134. Section 9. Physical and Chemical Properties Physical State and Appearance: Liquid, Colorless, Translucent Specific Gravity: 1.021 @ 20°C pH: N/A Freezing Point: 41°F Flash Point: N/A Odor: Mild Melting Point: N/A Initial Boiling Point and Boiling Range: 212°F Solubility in Water: Emulsifiable Evaporation Rate: N/D Vapor Density: N/D Molecular Weight: N/D Viscosity: 400 — 525 CPS @ 20°C Flammability (solid, gas): N/D Flammable Limits: N/A Autoignition Temperature: N/A Density: 8.52 LB/GA Vapor Pressure: N/A % VOC: 0 Odor Threshold N/D n-octanol Partition Coefficient N/D Decomposition Temperature N/D 18072301 AN 07/23/18 Page 4 of 9 ChemTreat FO700 Section 10. Stability and Reactivity Chemical Stability: Stable at normal temperatures and pressures. Incompatibility with Various Oxidizers, Strong bases. Substances: Hazardous Decomposition Carbon dioxide, Carbon monoxide, Aldehydes. Products: Possibility of Hazardous None known. Reactions: Reactivity: N/D Conditions To Avoid: N/D

Disposal

None. System of Classification Used: Classification under 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200). Considerations Dispose of in accordance with local, state and federal regulations. 18082701 AN 08/27/18 Page 6 of 9 ChemTreat FO180 sp State Regulations California Proposition 65: This product contains chemical(s) known to the State of California to cause cancer and/or to cause birth defects or other reproductive harm: Ethylene Oxide, CAS #75-21-8, <=20.0ppm. This product contains chemical(s) known to the State of California to cause cancer and/or to cause birth defects or other reproductive harm: Propylene oxide, CAS #75-56-9. Special Regulations Component States Components not listed are either non hazardous or in None. concentration of less than 1% Compliance Information NSF: N/A Food Regulations: FDA: Complies with 21 CFR 176.170 and 21 CFR 176.180 for use in paper and paperboard which contacts food. FDA: All ingredients in this product are authorized in 21 CFR 176.210. KOSHER: This product has not been evaluated for Kosher approval. Halal: This product has not been evaluated for Halal approval. FIFRA: N/A Other: None Comments: None. None. 18072301 AN 07/23/18 Page 1 of 10 ChemTreat FO624 Serious Eye Damage/Eye N/D Irritation: Sensitization: N/D Germ Cell Mutagenicity: N/D Reproductive/Developmental N/D Toxicity: Specific Target Organ Toxicity Single Exposure: N/D Repeated Exposure: N/D Considerations Dispose of in accordance with local, state and federal regulations. Section 14. Transport Information Controlling Packing Regulation UN/NA#: Proper Shipping Name: Technical Name: None. System of Classification Used: Classification under 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200). Considerations Dispose of in accordance with local, state and federal regulations. Section 14. Transport Information Controlling Packing Regulation UN/NA#: Proper Shipping Name: Technical Name:

2.3 Other hazards

None. 18082701AN 08/27/18 Page 1 of 9 ChemTreat FO180 sp Personal Protection Eyes: Safety glasses are recommended if risk of eye contact. Skin: Wear butyl rubber or neoprene gloves. Wash them after each use and replace as necessary. If conditions warrant, wear protective clothing such as boots, aprons, and coveralls to prevent skin contact. Respiratory: None needed under normal conditions of use. Section 9. Physical and Chemical Properties Physical State and Appearance: Liquid Emulsion, White, Opaque Specific Gravity: 0.981 @ 20°C pH: 7.1 @ 20°C, 100.0% Freezing Point: 32°F Flash Point: N/D Odor: Mild Melting Point: N/A Initial Boiling Point and Boiling Range: N/D Solubility in Water: Appreciable Evaporation Rate: N/D Vapor Density: N/D Molecular Weight: N/D Viscosity: 150 — 500 CPS @ 20°C Flammability (solid, gas): N/D Flammable Limits: N/A Autoignition Temperature: N/A Density: 8.18 LB/GA Vapor Pressure: N/D % VOC: 0 Odor Threshold N/D n-octanol Partition Coefficient N/D Decomposition Temperature N/D Section 10. Stability and Reactivity Chemical Stability: Stable at normal temperatures and pressures. Incompatibility with Various Acids, Halogens, Bases. Substances: Hazardous Decomposition Oxides of carbon. Products: 18082701 AN 08/27/18 Page 4 of 9 ChemTreat FO180 Possibility of Hazardous None known. Reactions: Reactivity: N/D Conditions To Avoid: N/D None. 18072301 AN 07/23/18 Page 1 of 9 ChemTreat FO700 Section 3. Composition/Hazardous Ingredients Component CAS Regisiry # WL% Components not listed are either non hazardous or in concentration of N/A less than 1% Comments If chemical identity and/or exact percentage of composition has been withheld, this information is considered to be a trade secret. Section 4. First Aid Measures Inhalation: Remove to fresh air and keep at rest in a position comfortable for breathing. Call a poison center or doctor/physician if you feel unwell. Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists, get medical advice/attention. Skin: Wash with plenty of soap and water. Call a poison center or doctor/physician if you feel unwell. Ingestion: DO NOT INDUCE VOMITING. Rinse mouth. Call a POISON CENTER or doctor/physician if you feel unwell. Most Important Symptoms: N/D Indication of Immediate N/A Medical Attention and Special Treatment Needed, If Necessary: Section 5. Fire Fighting Measures Flammability of the Product: Not flammable. Suitable Extinguishing Media: Use extinguishing media suitable to surrounding fire. Specific Hazards Arising from Containers exposed in a fire should be cooled with water to prevent the Chemical: vapor pressure build—up leading to rupture. 18072301 AN 07/23/18 Page 2 of 9 ChemTreat FO700 ! sp Protective Equipment: If product is involved in a fire, wear full protective clothing including a positive—pressure, NIOSH approved, self—contained breathing apparatus. Section 6. Accidental Release Measures Personal Precautions: Use appropriate Personal Protective Equipment (PPE). Environmental Precautions: Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains, and sewers. Methods for Cleaning up: Contain and/or absorb spill with inert material then place in suitable container. Other Statements: None. Section 7. Handling and Storage Handling: Wear appropriate Personal Protective Equipment (PPE) when handling this product. Do not get in eyes, or on skin and clothing. Wash thoroughly after handling. Do not ingest. Avoid breathing vapors, mist or dust.

TOXICOLOGICAL INFORMATION

Acute Toxicity Chemical Name Exposure Type of Effect Concentration Species N/D Carcinogenicity Category Component Source Code Brief Description Components not listed are either non hazardous or in N/E concentration of less than 1% Acute Toxicity Chemical Name Exposure Type of Effect Concentration Species N/D Carcinogenicity Category Component Source Code Brief Description Proprietary Petroleum Distillate N/E Proprietary Naphtha Petroleum N/E Fatty Acids, Tall-Oil N/E Alcohols (C10—16) ethoxylated N/E Acute Toxicity Chemical Name Exposure Type of Effect Concentration Species N/D Carcinogenicity Category Component Source Code Brief Description Components not listed are either non hazardous or in N/E concentration of less than 1%

Principle Routes of Exposure

N/D Symptoms Inhalation: N/D Eye Contact: N/D Skin Contact: N/D Ingestion: N/D Skin Corrosion/Irritation: N/D Serious Eye Damage/Eye N/D Irritation: Sensitization: N/D Germ Cell Mutagenicity: N/D Reproductive/Developmental N/D Toxicity: 18082701 AN 08/27/18 Page 5 of 9 ChemTreat FO180 Specific Target Organ Toxicity Single Exposure: N/D Repeated Exposure: N/D N/D Symptoms Inhalation: N/D Eye Contact: N/D Skin Contact: N/D Ingestion: N/D Skin Corrosion/Irritation: N/D Serious Eye Damage/Eye N/D Irritation: Sensitization: N/D Germ Cell Mutagenicity: N/D Reproductive/Developmental N/D Toxicity: 18072301 AN 07/23/18 Page 6 of 10 ChemTreat FO682 Specific Target Organ Toxicity Single Exposure: N/D Repeated Exposure: N/D N/D Symptoms Inhalation: N/D Eye Contact: N/D Skin Contact: N/D Ingestion: N/D Skin Corrosion/Irritation: N/D 18072301 AN 07/23/18 Page 5 of 9 ChemTreat FO700 Serious Eye Damage/Eye N/D Irritation: Sensitization: N/D Germ Cell Mutagenicity: N/D Reproductive/Developmental N/D Toxicity: Specific Target Organ Toxicity Single Exposure: N/D Repeated Exposure: N/D Ingestion, inhalation, skin contact, eye contact Eyes May cause minor irritation Skin May cause minor irritation Inhalation None known Ingestion May be harmful if swallowed in large quantities

Aspiration hazard

N/D Comments: None. Category 1 Acute Toxicity Dermal — Category 5 Specific Target Organ Toxicity — Single Exposure — Category 3 N/D Comments: None. N/D Comments: None. N/D Comments: None.

ECOLOGICAL INFORMATION

Ecotoxicity Species Duration Type of Effect Test Results Fathead Minnow 96h LC50 3405.5 mg/l Ceriodaphnia dubia 7d IC25 4.42 mg/l 7d NOEC 2.5 mg/l 48h LC50 1768 mg/l 7d LOEC 5 mg/l Persistence and N/D Biodegradability: Bioaccumulative Potential: N/D Mobility In Soil: N/D Ecotoxicity Species Duration Type of Effect Test Results N/D Persistence and N/D Biodegradability: Bioaccumulative Potential: N/D Mobility In Soil: N/D Ecotoxicity Species Duration Type of Effect Test Results N/D Persistence and N/D Biodegradability: Bioaccumulative Potential: N/D Mobility In Soil: N/D Ecotoxicity Species Duration Type of Effect Test Results N/D Persistence and N/D Biodegradability: Bioaccumulative Potential: N/D Mobility In Soil: N/D

Other hazards

N/D Comments: None. N/D Comments: Not tested. 18072301 AN 07/23/18 Page 7 of 11 ChemTreat FO680 Possibility of Hazardous None known. Reactions: Reactivity: N/D Conditions To Avoid: N/D N/D Comments: Not tested. N/D Comments: Not tested. 18072301 AN 07/23/18 Page 6 of 9 ChemTreat FO700

Further information

HMIS Hazard Rating Health: Flammability: HMIS Hazard Rating Health: 1 Flammability: 2 HMIS Hazard Rating Health: Flammability: A

Physical hazards

PPE: xOO- 18082701 AN 08/27/18 Page 8 of 9 ChemTreat FO180 Section 1. Chemical Product and Company Identification Product Name: ChemTreat FO624 Product Use: Defoamer Supplier’s Name: ChemTreat, Inc. Emergency Telephone Number: (800)424—9300 (Toll Free) Address (Corporate Headquarters): 5640 Cox Road Glen Allen, VA 23060 Telephone Number for Information: (800)648-—4579 Publication date July 23, 2018 Revision Date: July 23, 2018 Revision Number: 18072301AN 0 PPE: X Notes: The PPE rating depends on circumstances of use. See Section 8 for recommended PPE. The Hazardous Material Information System (HMIS) is a voluntary, subjective aloha—numeric symbolic system for recommending hazard risk and personal protection equipment information. It is a subjective rating system based on the evaluator’s understanding of the chemical associated risks. The end-user must determine if the code is appropriate for their use. Abbreviations Abbreviation Definition < Less Than > Greater Than ACGIH American Conference of Governmental Industrial Hygienists EHS Environmental Health and Safety Dept N/A Not Applicable N/D Not Determined N/E Not Established OSHA Occupational Health and Safety Dept PEL Personal Exposure Limit STEL Short Term Exposure Limit TLV Threshold Limit Value 18072301 AN 07/23/18 Page 9 of 10 ChemTreat FO682 aP ™~ Abbreviation Definition TWA Time Weight Average UNK Unknown Prepared by: Product Compliance Department; ProductCompliance@chemtreat.com Revision Date: July 23, 2018 Disclaimer Although the information and recommendations set forth herein (hereinafter "information”) are presented in good faith and believed to be correct as of the date hereof, ChemTreat, Inc. makes no representations as to the completeness or accuracy thereof. Information is supplied upon the condition that the persons receiving same will make their own determination as to its suitability for their purposes prior to use. In no event will ChemTreat, Inc. be responsible for damages of any nature whatsoever resulting from the use or reliance upon information. No representation or warranties, either expressed or implied, of merchantability, fitness for a particular purpose, or of any other nature are made hereunder with respect to information or the product to which information refers. 18072301 AN 07/23/18 Page 10 of 10 ChemTreat FO682 Section 1. Chemical Product and Company Identification Product Name: ChemTreat FO700 Product Use: Defoamer Supplier’s Name: ChemTreat, Inc. Emergency Telephone Number: (800)424—9300 (Toll Free) Address (Corporate Headquarters): 5640 Cox Road Glen Allen, VA 23060 Telephone Number for Information: (800)648-4579 Publication date July 23, 2018 Revision Date: July 23, 2018 Revision Number: 18072301AN PPE: xo Notes: The PPE rating depends on circumstances of use. See Section 8 for recommended PPE. The Hazardous Material Information System (HMIS) is a voluntary, subjective aloha—numeric symbolic system for recommending hazard risk and personal protection equipment information. It is a subjective rating system based on the evaluator’s understanding of the chemical associated risks. The end-user must determine if the code is appropriate for their use. 18072301 AN 07/23/18 Page 8 of 9 ChemTreat FO700 aP —™ Abbreviations Abbreviation Definition < Less Than > Greater Than ACGIH American Conference of Governmental Industrial Hygienists EHS Environmental Health and Safety Dept N/A Not Applicable N/D Not Determined N/E Not Established OSHA Occupational Health and Safety Dept PEL Personal Exposure Limit STEL Short Term Exposure Limit TLV Threshold Limit Value TWA Time Weight Average UNK Unknown Prepared by: Product Compliance Department; ProductCompliance@chemtreat.com Revision Date: July 23, 2018 Disclaimer Although the information and recommendations set forth herein (hereinafter "information”) are presented in good faith and believed to be correct as of the date hereof, ChemTreat, Inc. makes no representations as to the completeness or accuracy thereof. Information is supplied upon the condition that the persons receiving same will make their own determination as to its suitability for their purposes prior to use. In no event will ChemTreat, Inc. be responsible for damages of any nature whatsoever resulting from the use or reliance upon information. No representation or warranties, either expressed or implied, of merchantability, fitness for a particular purpose, or of any other nature are made hereunder with respect to information or the product to which information refers. 18072301 AN 07/23/18 Page 9 of 9 ChemTreat FO700 1. PRODUCT AND COMPANY IDENTIFICATION Product Name: MicroC® 4100 Publication date March 11, 2019 Product Code: NA Replaces: December 19, 2016 Product Use: A reducing agent for biological processes Supplier Information: Environmental Operating Solutions, Inc Phone: 508-743-8440 160 MacArthur Blvd., Unit 6 Fax: 508-743-8443 Bourne, MA 02532 Website: www.microc.com EMERGENCY TELEPHONE NUMBER: CHEMTREC 800-424-9300 USE OF THIS PRODUCT FOR WATER TREATMENT IS PROTECTED BY UNITED STATES PATENT #7,144,509/ CANADIAN PATENT #2,476,025 OSHA Regulatory Status: This product is not hazardous according to 29 CFR 1910.1200 GHS Regulatory Status: This product is not hazardous according to GHS categories

Hazard categories

Group: DOT N/A COMPOUND, INDUSTRIAL N/A WATER TREATMENT, LIQUID Over 119 GA NA1993 COMBUSTIBLE LIQUID, N.O.S. (PETROLEUM DISTILLATES) N/A PGIll SCT N/A COMPOUND, INDUSTRIAL N/A WATER TREATMENT, LIQUID TDG N/A COMPOUND, INDUSTRIAL N/A WATER TREATMENT, LIQUID 18072301 AN 07/23/18 Page 7 of 10 ChemTreat FO682 Note: N/A Section 15. Regulatory Information Inventory Status United States (TSCA): All ingredients listed. Canada (DSL/NDSL): All ingredients listed. Federal Regulations SARA Title Ill Rules Sections 311/312 Hazard Classes Fire Hazard: Yes Reactive Hazard: No Release of Pressure: No Group: DOT N/A COMPOUND, INDUSTRIAL N/A WATER TREATMENT, LIQUID Note: N/A Section 15. Regulatory Information Inventory Status United States (TSCA): All ingredients listed. Canada (DSL/NDSL): All ingredients listed. Federal Regulations SARA Title Ill Rules Sections 311/312 Hazard Classes Fire Hazard: No Reactive Hazard: No Release of Pressure: No

Acute Health Hazards

Yes Yes

Health hazards

Yes Other Sections Section 302 EHS Component Toxic Chemical |TPQ CERCLA RQ Proprietary Petroleum Distillate N/A Proprietary Naphtha Petroleum N/A Fatty Acids, Tall—Oil N/A Alcohols (C10—16) ethoxylated N/A Comments: None. State Regulations California Proposition 65: This product contains chemical(s) known to the State of California to cause cancer and/or to cause birth defects or other reproductive harm: Ethylene Oxide, CAS #75-21-8, <=20.0ppm. Special Regulations Com States P Petroleum Distillate None. P Petroleum None. F Acids, Tall-Oil None. Alcohols (C10-16) eth ed None. 18072301 AN 07/23/18 Page 8 of 10 ChemTreat FO682 | ae Compliance Information NSF: N/A Food Regulations: N/A KOSHER: This product has not been evaluated for Kosher approval. Halal: This product has not been evaluated for Halal approval. FIFRA: N/A Other: None Comments: None. No Other Sections Section 302 EHS Component Toxic Chemical |TPQ CERCLA RQ Components not listed are either non hazardous or in N/A concentration of less than 1% Comments: None. 18072301 AN 07/23/18 Page 7 of 9 ChemTreat FO700 ™~ State Regulations California Proposition 65: None known. Special Regulations Component States Components not listed are either non hazardous or in None. concentration of less than 1% Compliance Information NSF: N/A Food Regulations: N/A KOSHER: This product has not been evaluated for Kosher approval. Halal: This product has not been evaluated for Halal approval. FIFRA: N/A Other: None Comments: None.

2.1 Classification of the substance or mixture

Acute Toxicity Dermal — Category 5 Acute Toxicity Inhalation — Category 5 Acute Toxicity Oral — Category 5

Hazard pictograms

None Applicable

Classification according to GHS

None Applicable