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COPPER, DUSTS & MISTS (as Cu)†

Chemical Identification
CAS #	7440-50-8 (copper), 1317-38-0 (copper oxide)
Formula	Cu
Synonyms	copper metal dusts; copper metal fume; black copper oxide fume; copper monoxide fume; copper(II) oxide fume; cupric oxide fume

Physical Properties
Physical description	Reddish, lustrous, malleable, odorless solid.
Boiling point	4703°F	Molecular weight	63.5
Freezing point/melting point	1981°F	Vapor pressure	0 mmHg (approx)
Flash point		Vapor density
Specific gravity	8.94	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	0730	0730
Sampling group	METALSSG-2	METALSSG-3
Sampler/Sampling media	Pre-assembled cassette with mixed cellulose ester filter (MCEF) 0.8 micron (25 or 37 mm) [MAWP025A0 or MAWP037A0]	Mixed cellulose ester filter (MCEF) 0.8 micron (37 mm) and filter spacer with Na₂CO₃ impregnated backup pad, in a 3-piece cassette [SKC 225-9001]
Sampling time^*	240-480 min	240-480 min
Sampling volume (TWA)^*	480-960 L	480-960 L
Sampling flow rate (TWA)^*	2 L/min	2 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	ICP	ICP-MS
Method reference	OSHA ID-125G (fully validated)	OSHA ID-206 (fully validated)
Notes	Results are provided for the presence and amount or concentration of a specific element or elements. The stated identity of the actual sample contents (such as a specific form or compound) is based on the assumption that the material sampled is as identified by the compliance officer using available documentation of materials and processes. The physical form of a sample (dust, mist, or fume) is identified by the compliance officer using available documentation of materials and processes. Smaller filters recommended for sampling inside welding hoods.	Results are provided for the presence and amount or concentration of a specific element or elements. The stated identity of the actual sample contents (such as a specific form or compound) is based on the assumption that the material sampled is as identified by the compliance officer using available documentation of materials and processes. The physical form of a sample (dust, mist, or fume) is identified by the compliance officer using available documentation of materials and processes.
Special requirements	For the entire suite of analytes listed in METALSSG-2, request analyte code 2587.	For the entire suite of analytes listed in METALSSG-3, which may be found during soldering and brazing operations, request analyte code S131.

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media	See sampling group information for media.
Bulk Method	Available

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA	1 mg/m³ (dusts & mists)	REL-TWA	1 mg/m³ (except fume)	TLV-TWA	1 mg/m³ (dusts and mists) [1990]	PEL-TWA	1 mg/m³ (copper salts, dusts and mists)
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	N	Skin notation	N	Skin notation	N	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	100 mg/m³
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Copper

NIOSH: Pocket Guide to Chemical Hazards - Copper (dusts & mists as Cu)

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Copper; Dusts and mists, as Cu. See annual publication for most recent information.

Last Updated Date : 06/14/2023

Group Sampling Information
Sampling Media	Sampling Time (If there are exceptions they will be in Notes)	TWA Sampling Volume (If there are exceptions they will be in Notes)	TWA Flow Rate (If there are exceptions they will be in Notes)
mixed cellulose ester filter (MCEF)	240-480 min	480-960 L	2 L/min

Analytes Sampling Information
Analytes	IMIS Code	Wipe Sampling	Incompatibilities
Iron*	I200	Yes, with a Ghost Wipe
Vanadium*	V125	Yes, with a Ghost Wipe
Zinc*	Z100	Yes, with a Ghost Wipe
Chromium, Metal & Insoluble salts (as Cr)**	0685	Yes, with a Ghost Wipe	Hexavalent Chromium
Cobalt, Metal, Dust & Fume (as Co)	0720	Yes, with a Ghost Wipe	Tungsten
Copper Dust & Mists (as Cu)	0730	Yes, with a Ghost Wipe
Copper Fume (as Cu)	0731	Yes, with a Ghost Wipe
Iron Oxide Fume	1520	Yes, with a Ghost Wipe
Manganese, Compounds & Fume (as Mn)***	1620	Yes, with a Ghost Wipe
Molybdenum, Dust & Insoluble compounds, (as Mo)	1790	Yes, with a Ghost Wipe
Nickel, Metal, & Insoluble compounds (as Ni)	1840	Yes, with a Ghost Wipe
Vanadium, Respirable Dust & Fume	2571	Yes, with a Ghost Wipe
Zinc Oxide Fume	2610	Contact SLTC for information

Notes

Request any or all of these analytes together. Entire group can be requested with analyte code 2587.

Results for unrequested analytes in this group will be reported if significant amount are found.

There is no need to contact SLTC before sampling.

This analysis can be pre-analyzed gravimetrically if collected on a pre-weighted PVC filter obtained from SLTC.

*These 3 codes are used for bulk sample results in place of their metal oxides.

**Please note that this is NOT hexavalent chromium.

***For Manganese STEL take only a 10-30 L sample.

Group Sampling Information
Sampling Media	Sampling Time (If there are exceptions they will be in Notes)	TWA Sampling Volume (If there are exceptions they will be in Notes)	TWA Flow Rate (If there are exceptions they will be in Notes)
mixed cellulose ester filter (MCEF) 0.8 microns	240-480 min	480-960 L	2 L/min

Analytes Sampling Information
Analytes	IMIS Code	Wipe Sampling
Antimony & Compounds (as Sb)	0230	Whatman smear tab
Cadmium	C141	Whatman smear tab
Copper, Fume (as Cu)	0730	Whatman smear tab
Lead	1591	Whatman smear tab
Silver, Metal & Soluble Compounds (as Ag)	2240	Whatman smear tab
Tin, Inorganic Compounds (except oxides) (as Sn)	2430	Whatman smear tab
Zinc Oxide Fume	2610	Whatman smear tab

Notes

For the entire suite of analytes listed in METALSSG-3, request analyte code S131.

There is no need to contact SLTC before sampling.

Elemental results for all analytes in this group will be reported if significant amounts are found.

Gravimetric pre-analysis may be requested if a sample is collected on a pre-weighted PVC filter obtained from SLTC. In this case, request the relevant gravimetric analyte code along with the other(s).

N-(TRICHLOROMETHYLTHIO)PHTHALIMIDE (FOLPET)

Chemical Identification
CAS #	133-07-3
Formula	C₉H₄Cl₃NO₂S
Synonyms	Faltan; orthopjaltan; phthaltan

Physical Properties
Physical description	White crystals.
Boiling point		Molecular weight	296.55
Freezing point/melting point	350.6	Vapor pressure	1.57x10(-7)
Flash point		Vapor density	1.72
Specific gravity		Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	F119
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA	1 mg/m³ (inhalable particulate matter) [2016]	PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	N	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: dermal sensitizer (DSEN)		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications: TLV-A3		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Folpet

NIOSH: Pocket Guide to Chemical Hazards - Folpet

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Folpet. See annual publication for most recent information.

Last Updated Date : 01/24/2024

SIMAZINE

Chemical Identification
CAS #	122-34-9
Formula	C₇H₁₂ClN₅
Synonyms	Aquazine; Batazina; Herbazin; Taphazine; Zeapur; Princep; Printop; 2-chloro-4,6-bis(ethylamino)-s-triazine; CAT; CDT; Simadex; Simanex; 2-chloro-4,6-bis(ethylamino)-1,3,5-triazine; 1-chloro-3,5-bisethylamino-2,4,6-triazine

Physical Properties
Physical description	White to off-white crystalline powder.
Boiling point		Molecular weight	201.69
Freezing point/melting point	437-441°F	Vapor pressure	6.1x10(-9)
Flash point		Vapor density
Specific gravity	1.302	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	C637
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA	0.5 mg/m³ (inhalable particulate matter) [2015]	PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	N	Skin notation	NA
Notes: Not established		Notes: Not established		Notes:		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications: TLV-A3		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Simazine

NIOSH: Pocket Guide to Chemical Hazards - Simazine

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Simazine. See annual publication for most recent information.

Last Updated Date : 01/24/2024

PHENYL ISOCYANATE

Chemical Identification
CAS #	103-71-9
Formula	C₇H₅NO
Synonyms	phenylcarbimide; Carbanil; isocyanatobenzene

Physical Properties
Physical description	Colorless to yellow liquid with a pungent odor.
Boiling point	325.4°F	Molecular weight	119.12
Freezing point/melting point	-22°F	Vapor pressure	2.57 mmHg
Flash point	132°F (open cup)	Vapor density	1.089
Specific gravity		Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	2132
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA	0.005 ppm [2014]	PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL	0.015 ppm	PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	Y	Skin notation	NA
Notes:		Notes: Not established		Notes: dermal sensitizer (DSEN), respiratory sensitizer (RSEN)		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Phenyl isocyanate

NIOSH: Pocket Guide to Chemical Hazards - Phenyl isocyanate

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Phenyl isocyanate. See annual publication for most recent information.

Last Updated Date : 01/24/2024

HEXAHYDROPHTHALIC ANHYDRIDE, ALL ISOMERS

Chemical Identification
CAS #	85-42-7
Formula	C₈H₁₀O₃
Synonyms	hexahydroisobenzofuran-1,3-dione; HHPA; 1,2-cyclohexanedicarboxylic anhydride

Physical Properties
Physical description	Dry powder or solid in various forms, or clear, colorless, viscous liquid.
Boiling point	564.8°F	Molecular weight	154.17
Freezing point/melting point	89.6°F	Vapor pressure	5.35x10(-2)
Flash point	300.2°F	Vapor density	1.19
Specific gravity	5.3	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	H106
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA		PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C	0.005 mg/m³ (inhalable fraction and vapor) [2002]	PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	N	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: respiratory sensitizer (RSEN)		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Not listed

NIOSH: Pocket Guide to Chemical Hazards - Not listed

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Hexahydrophthalic anhydride, all isomers. See annual publication for most recent information.

Last Updated Date : 01/24/2024

DIETHYLENE GLYCOL MONOMETHYL ETHER

Chemical Identification
CAS #	111-77-3
Formula	C₅H₁₂O₃
Synonyms	2-(2-methoxyethoxy)ethanol; methyl carbitol; Dowanol DM; Poly-Solv DM; DGMME; DEGME

Physical Properties
Physical description	Colorless liquid with a sweet odor.
Boiling point	381°F	Molecular weight	120.15
Freezing point/melting point	-94°F	Vapor pressure	0.2 mmHg
Flash point	200°F	Vapor density	4.14
Specific gravity	1.025	Ionization potential
Lower explosive limit (LEL)	1.5%	Upper explosive limit (UEL)	9.5%
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	M328
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA		PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	NA	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: Not established		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Diethylene glycol monomethyl ether

NIOSH: Pocket Guide to Chemical Hazards - Diethylene glycol monomethyl ether

Literature References

Karaman, M.I., Gurdal, M., Ozturk, M. and Kanberoglu, H.: Maternal exposure to diethylene glycol monomethyl ether: a possible role in the etiology of retrocaval ureter. J. Pediatr. Surg. 37(8): E23, 2002.
McDougal, J.N., Pollard, D.L., Weisman, W., Garrett, C.M. and Miller, T.E.: Assessment of skin absorption and penetration of JP-8 jet fuel and its components. Toxicol. Sci. 55(2): 247-255, 2000.

Last Updated Date : 01/24/2024

CARBONYL SULFIDE

Chemical Identification
CAS #	463-58-1
Formula	COS
Synonyms	carbon oxide sulfide, carbon oxysulfide

Physical Properties
Physical description	Colorless, poisonous and glammable gas with a distinct sulfide odor.
Boiling point		Molecular weight	60.08
Freezing point/melting point	-58.4°F	Vapor pressure
Flash point		Vapor density
Specific gravity		Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	R220
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA	5 ppm [2011]	PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	N	Skin notation	NA
Notes: Not established		Notes: Not established		Notes:		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Carbonyl sulfide

NIOSH: Pocket Guide to Chemical Hazards - Carbonyl sulfide

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Carbonyl sulfide. See annual publication for most recent information.

Last Updated Date : 01/24/2024

ACETYLACETONE (2,4-PENTANEDIONE)

Chemical Identification
CAS #	123-54-6
Formula	C₅H₈O₂
Synonyms	2,4-pentanedione; acetoacetone; diacetyl methane

Physical Properties
Physical description	A colorless or yellow colored liquid.
Boiling point	284.7°F	Molecular weight	100.12
Freezing point/melting point	-10.3°F	Vapor pressure
Flash point	93°F	Vapor density
Specific gravity	0.975	Ionization potential
Lower explosive limit (LEL)	2.4%	Upper explosive limit (UEL)	11.6%
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	A178
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA		PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	Y	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: Visit the ACGIH TLV site for specific data		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Pentane-2,4-dione

NIOSH: Pocket Guide to Chemical Hazards - Pentane-2,4-dione

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - 2,4-Pentanedione. See annual publication for most recent information.

Last Updated Date : 07/15/2025

BUTENES (ALL ISOMERS)

Chemical Identification
CAS #	25167-67-3
Formula	Varies
Synonyms

Physical Properties
Physical description	An easily liquified colorless gas.
Boiling point		Molecular weight
Freezing point/melting point		Vapor pressure
Flash point		Vapor density
Specific gravity		Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	B595
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA	250 ppm [2007]	PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	N	Skin notation	NA
Notes: Not established		Notes: Not established		Notes:		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications: TLV-A4 (isobutene)		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Butylene

NIOSH: Pocket Guide to Chemical Hazards - Butylene

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Butenes, all isomers. See annual publication for most recent information.

Last Updated Date : 01/24/2024

β-PINENE

Chemical Identification
CAS #	127-91-3
Formula	C₁₀H₁₆
Synonyms	pseudopinene; nopinene

Physical Properties
Physical description	Colorless, transparent liquid.
Boiling point	329°F	Molecular weight	136.23
Freezing point/melting point	-78.7°F	Vapor pressure	2.93 mmHg
Flash point	88°F	Vapor density	4.7
Specific gravity	0.86	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	P148
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes	OSHA staff only, please contact SLTC at 801-233-5100
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA	20 ppm [2001]	PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	N	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: dermal sensitizer (DSEN)		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications: TLV-A4		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Not listed

NIOSH: Pocket Guide to Chemical Hazards - Not listed

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Turpentine and selected monoterpenes. See annual publication for most recent information.

Last Updated Date : 01/24/2024

COPPER, DUSTS & MISTS (as Cu)†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

N-(TRICHLOROMETHYLTHIO)PHTHALIMIDE (FOLPET)

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

SIMAZINE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

PHENYL ISOCYANATE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

HEXAHYDROPHTHALIC ANHYDRIDE, ALL ISOMERS

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

DIETHYLENE GLYCOL MONOMETHYL ETHER

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

CARBONYL SULFIDE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

ACETYLACETONE (2,4-PENTANEDIONE)

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

BUTENES (ALL ISOMERS)

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

β-PINENE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References