MATERIAL SAFETY DATA SHEET

PRODUCT NAME: NIF #23 PRODUCT CODE: EFR STONE AGREGATE

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SECTION I

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MANUFACTURER’S NAME: NORTHERN INDUSTRIAL FLOORING, INC.

ADDRESS: 8140 W 350 N ANGOLA, IN 46703

EMERGENCY PHONE: CHEMTREC 800-424-9300 -------------==H M I S==-------------

INFORMATION PHONE: 800-424-8914 = HEALTH : 3*

DATE REVISED: 03-19-96 = FLAMMABILITY : 0

NAME OF PREPARER: HARRY JACKSON = REACTIVITY : 0

= PERSONAL PROTECT : E

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(HAZARD RATING: 0=least, 1-slight, 2=moderate, 3=high, 4=extreme, *=chronic)

(E = safety glassed, gloves, and dust respirator)

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SECTION II-A HAZARDOUS COMPONENTS

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vapor pressure LEL

no. component CAS# SARA (mm Hg @ 20 C) (@ 25 C)

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1 QUARTZ 14808-60-7 NO N/A N/A

>>None of the components of this product are recognized as carcinogenic.

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SECTION II-B OCCUPATIONAL EXPOSURE LIMITS

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no. (OSHA) PEL/TWA PEL/CEILING PEL/STEL skin

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1 .1mg/m3 (DUST) N/E N/E N/E

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no. (ACGIH) TLV/TWA TLF/CEILING TLV/STEL skin

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1 .1mg/m3 (DUST) N/E N/E N/E

>>The dried film of this product may become a dust nuisance when removed by sanding or grinding. OSHA recommends a PEL/TWA of 15 mg/m3 for total dust and 5 mg/m3 for the respirable fraction. ACGIH recommends a TLV/TWA of 10 mg/m3 for total dust.

>>(SKIN) absorption may contribute to the overall exposure to this material. Take appropriate measures to prevent skin contact.

(N/E = not established)

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SECTION III PHYSICAL DATA

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boiling point : not established % volatile by volume : not applicable

evaporation rate : <1 (ether = 1) %volatile by weight : not applicable

vapor density : >1 (air = 1) weight by gallon : 22.04 +/- .2

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SECTION IV HEALTH INFORMATION

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EYE CONTACT

ANY FOREIGN MATERIAL GOTTEN INTO THE EYE MAY CAUSE IRRITATION.

SKIN CONTACT

EXPOSURE MAY PRODUCE SKIN IRRITATION

INHALATION

EXPOSURE MAY PRODUCE IRRITATION TO THE NOSE, THROAT, RESPIRATORY TRACT, AND OTHER MUCOUS MEMBRANES. BASED ON THE PRESENCE OF COMPONENT 1 CHRONIC INHALATION OF SILICA DUST MAY CAUSE "SILICOSIS", A DISABLING PULMONARY FIBROSIS.