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November 21st, 2015
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a Human Carcinogen - CDC
Molecular weight: 78.12 ... (OSHA) permissible exposure limit (PEL) for benzene is 1 part ... average (TWA) concentration over an 8-hour workshift; the.

MATERIAL SAFETY DATA SHEET - Kelly Registration Systems
APPROXIMATE. WEIGHT % TWA/TLV. N,N-Dioctyl-N,N-dimethylammonium chloride ... PERCENT VOLATILE (by weight) 20. SOLUBILITY IN WATER Soluble .

Jan 10, 2012 ... Approximate. Weight %. TLV-TWA mg/X3. TLV-STEL mg/X3-8 hr. PEL mg/X3-8 hr . Lead Monoxide (PbO)*. 1317-36-8. 65-75. 0.15 as Pb.
TRS - X2A, X2B, X2C.pdf

MATERIAL SAFETY DATA SHEET-Whizzer04.08 - West Liberty
APPROXIMATE ... PERCENT VOLATILE (by weight) 81.4 .... Where mist or vapors are generated by the process or if recommended TWA/TLV for ethyl alcohol is.

Appendix C: Health Risk Evaluation for Carbon Dioxide
It has a molecular weight of 44.01g/mol (NIOSH 1976). Although it is ... limit (PEL) for CO2 of 5,000 parts per million (ppm) over an 8-hour work day, which is equivalent to ... PEL = Permissible Exposure Limit ... TWA= Time Weighted Average.

Material Safety Data Sheet, USA - WR Meadows
by Weight. 313. (@25°C). 1. Titanium Dioxide. 13463-67-7. 1-5. No. N/A. 2. Mineral Spirits. 64742-47-8. 1-5. No. 0.75. PEL. PEL/CEILING. PEL/STEL. SKIN. TWA.

IHFOM Chapter 3 Sampling Procedures - Navy Medicine
8-hour Time-Weighted Average (TWA)/8-hour TWA-OEL. The TWA ... Permissible Exposure Limit (PEL) adopted by the Navy (e.g., 60% of the OSHA standard for inorganic lead) ...... in their weights after sampling is the sample weight. However  ...

Quatricide® PV-15
APPROXIMATE. WEIGHT %. TWA/TLV ... 1000 ppm (OSHA-PEL). 1000 ppm ( ACGIH-TWA). Water. 74.8 ... PERCENT VOLATILE (by weight) 77.9. SPECIFIC ...

Toxicology and Exposure Guidelines - Environmental Health & Safety
closely approximates the physiological processes of humans. ..... The skin is, in terms of weight, the largest single organ of the body. It provides a barrier ..... Along with the TLVs, ACGIH publishes Biological Exposure Indices (BEIs). BEIs are ... 575 ppm. This exposure would be compared to an 8-hour TWA exposure limit.

Workplace Exposure Standards for Airborne Contaminants
Dec 22, 2011 ... 8-hour Time-weighted average (TWA) means the average airborne .... weight x molecular mg/m inion. Concentrat. 3. = - where 24.4 is the molar ...

Molecular Weight ... ACGIH TLV-TWA. Calcium ... The OSHA standard also presents a formula for calculation of the PEL ..... TWA = Time-Weighted Average.

appendices - Occupational Safety and Health Administration
If a TWA reading is used rather than the average sound level, the time period is ... When measured with a 5-dB exchange rate and a 90-dBA PEL. ** Additional ...

Guidance on the Interpretation of Workplace Exposure Standards for
exposure standard. 8-HOUR TIME WEIGHTED AVERAGE (TWA) EXPOSURE STANDARD ... molecular weight x concentration in ppm. 24.4. Where 24.4 is the  ...
Guidance_Interpretation_Workplace_Exposure_Standards_Airborne_Contaminants .pdf

Chapter 5 - Mine Safety and Health Administration
sampling pump and filter cassette (pre-weighed) to determine dust concentrations in the ... 1. The TLV. ® formula for respirable quartz is: 10 mg/m. 3. = TLV. ® in mg/m. 3. %quartz + 2 ..... approximate time spent at each activity; ... or STEL, error factor, and calculated enforcement TLV. ®. (TLV. ® times error factor). A. PEDS or ...

TEC-Grease - Precision Plus Vacuum Parts
Approximate Weight (% wt.): ... an ACGIH TLV ceiling limit of 3 ppm (2.6 mg/m3) and an OSHA PEL ... Carbonyl fluoride has an ACGIH TLV TWA and OSHA.
PLUS TEC-Grease.pdf

Material Safety Data Sheet - Integricote
Jul 14, 2016 ... 67-56-1. TWA. 200 ppm. USA. ACGIH Threshold Limit Values (TLV). Remarks. Headache ... The value in mg/m3 is approximate. TWA. 1,000ppm. 1,900mg/m3. USA. Occupational .... 161 mg/kg body weight. ATE US (Dermal).

IOlllllfllTfll POLNYYA NA LYS IS - Carnegie Mellon University
equal weight discharge of substance B. In con- .... paper, we demonstrate a method to weight TRI dis- .... ACGIH TLV-TWA (time-weighted average) (13) is a.

Sep 2, 2009 ... Other effects: decrease of body weight gain, histopathologic effects .... TLV-TWA ( Threshold Limit Value - Time Weighted Average), UEL (Upper.

Mercuric Oxide-Zinc - Energizer Technical Information
Approximate Weight: CHEMICAL SYSTEM: ... (CAS# 7782-42-5). 15 mg/m3 TWA (total dust). 5 mg/m3 TWA (respirable ... 0.025 mg/m3 TWA (as Hg: elemental ...

GheenSDS - Gheen Irrigation Works, Inc.
Jul 15, 2015 ... WEIGHT. REPORTABLE COMPONENTS CAS NUMBER mm Hg @ TEMP PERCENT ... PEL-TWA/ACGIH-TLV: 10 mg/m3 total dust, 5 mg/m3 (fume). ALUMINUM. 007429-90-5. 5 - 15 ...... Melting Point (approximate):.

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