Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Ledizolv® Lead Specific Cleaner 1 Identification of the substance/mixture and of the supplier 1.1 GHS Product identifier Trade Name: Ledizolv® Lead Specific Cleaner Product number: 90104, 90501, 91501, 95501 1.2 Application of the substance / the mixture: Cleaning material/Detergent 1.2.1 Recommended dilution ratio: 1 - 2% in water 1.3 Details of the supplier of the Safety Data Sheet Manufacturer: Supplier: 30 Glenn St White Plains, NY 10603 (914) 948-4040 Emergency telephone number: ChemTel Inc North America: 1-888-255-3924 International: +1 813-248-0573 2.1 Classification of the substance or mixture: In compliance with EC regulation No. 1272, 29CFR1910/1200 and GHS requirements. Hazard-determining components of labeling: Tetrasodium EDTA Hydroxyacetic Acid Alcohol ethoxylate Citric acid 1-aminopropan-2-ol 2.2 Label elements: Skin corrosion, category 1C. Serious eye damage, category 1. Product at recommended dilution: Eye irritation, category 2B. Hazard pictograms: Signal word: Danger Hazard statements: H314 Causes severe skin burns and eye damage. H318 Causes serious eye damage. Precautionary statements: P264 Wash skin thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P312 IF SWALLOWED: Rinse mouth. Call a POISON CONTROL CENTER or doctor/physician if you feel unwell. P302+P352+P312 If on skin: Wash with soap and water. Call a poison center or doctor/physician if you feel unwell. P304+P341 If inhaled: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. F7303-1.0-20200511 | SDS90E.1 | Created by Alconox Inc. | (914) 948-4040 | www.alconox.com

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Ledizolv® Lead Specific Cleaner P305+P351+P338 If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. P337+P313 If eye irritation persists get medical advice/attention. P501 Dispose of contents and container as instructed in Section 13. Hazardous Elements at Use Dilution: Hazard Statements: H320 Causes eye irritation Precautionary statements: P302+P352 If on skin: Wash with soap and water. P305+P351+P338 If in eyes: Rinse cautiously with water...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Ledizolv® Lead Specific Cleaner Hazardous components at use dilution (percentages by weight): __ 3.1 Additional Information: None._ 4.1 Description of first aid measures General information: None. After inhalation: Move exposed individual to fresh air. Loosen clothing as necessary and position individual in a comfortable position. Maintain an unobstructed airway. Immediately call a POISON CONTROL CENTER or seek medical attention. After skin contact: Immediately remove all contaminated clothing. Wash affected area...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Ledizolv® Lead Specific Cleaner 5 Firefighting measures 5.1 Extinguishing media Suitable extinguishing agents: Use appropriate fire suppression agents for adjacent combustible materials or sources of ignition. For safety reasons unsuitable extinguishing agents: None 5.2 Special hazards arising from the substance or mixture: Thermal decomposition can lead to release of irritating gases and vapors. 5.3 Advice for firefighters Protective equipment: Wear protective eye wear, gloves and clothing. Refer to Section 8. 5.4...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Ledizolv® Lead Specific Cleaner 8.1 Control parameters: Not needed under normal use. 8.2 Exposure controls Appropriate engineering controls: Emergency eye wash fountains and safety showers should be available in the immediate vicinity of use or handling. Respiratory protection: Not needed under normal conditions. Protection of skin: Select glove material impermeable and resistant to the substance. Eye protection: Safety goggles or glasses, or appropriate eye protection. General hygienic measures: Wash hands before...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Ledizolv® Lead Specific Cleaner 10 Stability and reactivity 10.1 Reactivity: Not determined or not available. 10.2 Chemical stability: Not determined or not available. 10.3 Possibility hazardous reactions: Not determined or not available. 10.4 Conditions to avoid: Not determined or not available. 10.5 Incompatible materials: Not determined or not available. 10.6 Hazardous decomposition products: Not determined or not available. 1 1 Toxicological information 11.1 Information on toxicological effects: Acute Toxicity:...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Ledizolv® Lead Specific Cleaner 13 Disposal considerations 1 3.1 Waste treatment methods (consult local, regional and national authorities for proper disposal) Relevant Information: It is the responsibility of the waste generator to properly characterize all waste materials according to applicable regulatory entities. (US 40CFR262.11). 14.2 UN Proper shipping name: None 14.3 Transport hazard classes: ADR, ADN, DOT, IMDG, IATA Class: None Label: None US DOT Limited Quantity Exception: Bulk: RQ (if applicable): None...

Safety Data SheetEffective date: 11 May 2023 Revision: 11 May 2023 None None None Trade Name: Ledizolv® Lead Specific Cleaner 14.7 Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code: Not applicable. 14.8 Transport/Additional information: Transport category: Tunnel restriction code: UN "Model Regulation": 15 Regulatory information 15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture. North American SARA Section 313 (specific toxic chemical listings): None of the ingredients are listed. Section 302 (extremely hazardous substances):...