Reclaimed Coal Ash

Charah Solutions, Inc

Revision date : 2025-10-20

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GHS08 GHS07
Health risk rating 5
Safety risk rating 1
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

14808-60-7

Name of the chemical

Silica, crystalline

Concentration

50 - 95

EC/CAS

1305-78-8

Name of the chemical

Calcium oxide

Concentration

<1

General Information

Version

1.0

Revision date

2025-10-20

Product name

Reclaimed Coal Ash

Product Synonyms

Bottom Ash, Fly Ash

1.2.1 Relevant identified uses

Industrial Use, Concrete Additive, Raw Material

1.2.2. Uses advised against

Any uses not meeting appropriate engineering specifications

Emergency telephone

(800) 424-9300

Icons in SDS

GHS07 GHS08 M004 M009 M010 M011 M013 M017

Company Information

company name

Charah Solutions, Inc

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H318, H335, H350

Hazard statements

Code

Statements

H318

Causes serious eye damage

Section 2

SECTION 2: Hazards identification

OSHA Classification of the Substance

Signal word

Danger May cause respiratory irritation. May cause damage to lungs after repeated/prolonged exposure via inhalation.

Hazard statements

May cause cancer. May cause skin irritation. Causes serious eye damage. Do not breathe dust. Use outdoors or in a well-ventilated area. If inhaled: Remove to fresh air and keep comfortable for breathing. Get medical

Precautionary statements

advice/attention if you feel unwell. Wash with plenty of water if on skin. If in eyes, rinse with water for several minutes. Remove contact lenses, if present. Store in a secure area. Dispose of product in accordance with local/national regulations. Reclaimed Coal Ash, Fly Ash, Bottom Ash, and other coal combustion products (CCPs) are UVCB substances (substance of unknown or variable composition or biological). Various CCPs, noted as Ashes; Ash; Ash residues; Ashes, residues, bottom; Bottom ash; Bottom ash residues; Waste solids, ashes under TSCA are defined by the US EPA as “The residuum from the burning of a combination of carbonaceous materials. The following elements may be present as oxides aluminum, calcium, iron, magnesium, nickel, phosphorus, potassium, silicon, sulfur, titanium, and vanadium.” Ashes including fly ash and fluidized bed combustion ash are identified by CAS number 68131-74-8. The exact composition of the ash is dependent on the fuel source and flue additives composed of many constituents. The classification of the final substance is dependent on the presence of specific identified oxides as well as other trace elements

2.1 Classification of the substance or mixture

GHS Classification(s) according to OSHA Hazard Communication Standard (29 CFR 1910.1200):  Specific Target Organ Toxicity (STOT) ‐ Single Exposure (SE) Category 3 (Respiratory Irritation)  Specific Target Organ Toxicity (STOT) ‐ Repeat Exposure (RE) Category 2 Note: The level of respirable crystalline silica (RCS) present in this product has not been determined; however, a conservative classification for STOT-RE, Category 2 has been assigned

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