Federal Register - October 12, 2021
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Source: Federal Register
Federal Register / Vol. 86, No. 194 / Tuesday, October 12, 2021 / Proposed Rules PMN substance will be as an adhesive.
Based on estimated physical/chemical properties of the PMN substance, comparison to structurally analogous chemical substances, and comparison to analogous amphoteric polymers, EPA
has identified concerns for lung surfactancy if the chemical substance is not used following the limitations noted. The conditions of use of the PMN
substance as described in the PMN
include the following protective measure:
No manufacture, processing, or use of the PMN substance in any manner that results in inhalation exposure.
The proposed SNUR would designate as a significant new use the absence of this protective measure.
Potentially Useful Information: EPA
has determined that certain information may be potentially useful to characterize the human health effects of the PMN
substance if a manufacturer or processor is considering submitting a SNUN for a significant new use that will be designated by this SNUR. EPA has determined that the results of pulmonary effects testing may be potentially useful to characterize the health effects of the PMN substance.
CFR Citation: 40 CFR 721.11623.
PMN Number: P18278
Chemical Name: Isophthalic acid, polymer with terephthalic acid and C4
and C6 dialkyl amines generic.
CAS Number: Not available.
Basis for action: The PMN states that the use of the PMN substance will be as a resin for molded automotive parts and electrical and electronic equipment.
Based on estimated physical/chemical properties of the PMN substance, comparison to structurally analogous chemical substances, and comparison to analogous high molecular weight polymers, EPA has identified concerns for lung overload if the chemical substance is not used following the limitations noted. The conditions of use of the PMN substance as described in the PMN include the following protective measure:
No manufacture including import of the PMN substance with particle sizes less than 10 microns.
The proposed SNUR would designate as a significant new use the absence of this protective measure.
Potentially Useful Information: EPA
has determined that certain information may be potentially useful to characterize the human health effects of the PMN
substance if a manufacturer or processor is considering submitting a SNUN for a significant new use that will be designated by this SNUR. EPA has determined that the results of
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pulmonary effects testing may be potentially useful to characterize the health effects of the PMN substance.
CFR Citation: 40 CFR 721.11624.
PMN Number: P18299
Chemical Name: Alkenoic acid, alkyl-, polymers with alkyl methacrylate, cycloalkyl methacrylate, alkylene dimethacrylate, and polyalkene glycol hydrogen sulfate branched alkyloxyalkyl-alkenyloxyalkyl ethers ammonium salts, metal salts generic.
CAS Number: Not available.
Basis for action: The PMN states that the generic non-confidential use of the PMN substance will be as an ink additive. Based on estimated physical/
chemical properties of the PMN
substance, comparison to structurally analogous chemical substances, and submitted test data on the PMN
substance, EPA has identified concerns for lung toxicity and lung cancer if the chemical substance is not used following the limitations noted. The conditions of use of the PMN substance as described in the PMN include the following protective measure:
No manufacturing, processing, or use of the PMN substance in any manner that results in inhalation exposure.
The proposed SNUR would designate as a significant new use the absence of these protective measures.
Potentially Useful Information: EPA
has determined that certain information may be potentially useful to characterize the human health effects of the PMN
substance if a manufacturer or processor is considering submitting a SNUN for a significant new use that will be designated by this SNUR. EPA has determined that the results of pulmonary effects testing may be potentially useful to characterize the health effects of the PMN substance.
CFR Citation: 40 CFR 721.11625.
PMN Number: P18375
Chemical Name: Fats and Glyceridic oils, vegetable, sulfonated, sodium salts.
CAS Number: 97489048.
Basis for action: The PMN states that the use of the PMN substance will be in the fat liquoring stage in the production of leather as part of an aqueous emulsion containing about 10 to 25
percent PMN substance with lubricant oils, nonionic surfactants and anionic surfactants. Based on estimated physical/chemical properties of the PMN substance and comparison to structurally analogous chemical substances, EPA has identified concerns for irritation, corrosion, and lung effects if the chemical substance is not used following the limitation noted. The
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conditions of use of the PMN substance as described in the PMN include the following protective measure:
No manufacture, processing, or use of the PMN substance in any manner that results in inhalation exposure.
The proposed SNUR would designate as a significant new use the absence of this protective measure.
Potentially Useful Information: EPA
has determined that certain information may be potentially useful to characterize the human health effects of the PMN
substance if a manufacturer or processor is considering submitting a SNUN for a significant new use that will be designated by this SNUR. EPA has determined that the results of skin irritation and pulmonary effects testing may be potentially useful to characterize the health effects of the PMN substance.
CFR Citation: 40 CFR 721.11626.
PMN Number: P18379
Chemical Name: Cashew nutshell liq., polymer with bisphenol A, epichlorohydrin, amines, formaldehyde, and glycol generic.
CAS Number: Not available.
Basis for action: The PMN states that the generic non-confidential use of the PMN substance will be as a hardener for waterborne epoxy systems. Based on estimated physical/chemical properties of the PMN substance and comparison to structurally analogous chemical substances, EPA has identified concerns for cationic binding to the lungs, irritation to the eyes and skin, and sensitization if the chemical substance is not used following the limitations noted. The conditions of use of the PMN
substance as described in the PMN
include the following protective measures:
No manufacture including import of the PMN substance such that the weight percent of low molecular weight species below 500 daltons exceeds 1%
and the weight percent of low molecular weight species below 1,000 daltons exceeds 6%; and No manufacturing, processing, or use of the PMN substance in any manner that results in inhalation exposure.
The proposed SNUR would designate as a significant new use the absence of these protective measures.
Potentially Useful Information: EPA
has determined that certain information may be potentially useful to characterize the human health effects of the PMN
substance if a manufacturer or processor is considering submitting a SNUN for a significant new use that will be designated by this SNUR. EPA has determined that the results of pulmonary effects, skin irritation/
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