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2015 PERIODIC INDUSTRIAL HYGIENE SURVEY

OF

91104/91106 (96535/96552/96556/96559

FUEL ACCESSORIES/ ENGINE MECHANICS

INDUSTRIAL HYGIENE DEPARTMENT

NAVAL HEALTH CLINIC

CHERRY POINT, NC 28533-0023

Enclosure (17)

TABLE OF CONTENTS

Executive Summary 3

Evaluation Summary 6

96535/Fuel Control Repair and Test 8

Exposure Monitoring Plan/Medical Surveillance 10

Historical Sampling 11

96552/T-58, T400/700, T-64 Engine Disassembly, Repair, and Test 13

Exposure Monitoring Plan/Medical Surveillance 16

96556/F402 Engine Repair and Test 18

Exposure Monitoring Plan/Medical Surveillance/Historical Sampling 21

96559/Engine Rotor Repair, Balance and Test 23

Exposure Monitoring Plan/Historical Sampling 26

Ventilation Survey 27

Medical Surveillance 28

Glossary Appendix A

Industrial Hygiene Customer Evaluation Form Appendix B

EXECUTIVE SUMMARY

Sam Henson, Industrial Hygienist, conducted the periodic industrial hygiene survey of 91104/106 during

October - December 2015. The purpose of the survey was to evaluate any changes to work processes or work practices that have occurred since your previous survey in 2013/2014.

91104/91106 performs engine disassembly and fuel control/ accessory repair; modifies, tests, performs quick engine change build up and repair of engines/accessories for aircraft undergoing maintenance; and performs necessary maintenance of serviceable and stored engines/ accessories. The Competency conducts disassembly, repairs, assembly and balancing gas turbine engine compressors, turbine rotor assemblies, rotating components, inspecting, blending and repairs aircraft engine rotor and stator vane blades.

Areas of particular concern or command interest are as follows:

1. Medical Surveillance: DODINST 6055.5 requires a registry of personnel occupationally exposed to hazardous chemicals and physical or biological agents to be developed for each workplace surveyed.

This registry is used to ensure that each employee potentially exposed to a health hazard is enrolled in the appropriate medical surveillance program and is examined by an occupational health physician, physician assistant, audiologist, or other health care provider to detect any insidious or acute ill effects. The FRC

East Safety Office compiles the registry and works with division secretaries to schedule required medical surveillance physicals with the Naval Health Clinic Occupational Medicine Department (OMD). The

OMD appointment scheduler may be contacted by emailing occ-appt@med.navy.mil.

2. Hazard Communication: 91104/06 complies with the Hazard Communication Standard. The shops can access the computerized EnvironMax HMMS MSDS files. Right to Know and Hazard Specific training is conducted and documented. It was stated that numerous chemical products listed on the AUL are no longer used in all shops. Please have AUL updated to reflect only the products used within all shops.

3. Respiratory Protection: Respirators are only required for the 96552/96559 personnel conducting a process for disassembly of T58 engines arriving from Japan that have been potentially contaminated with radiation. Personnel are medically qualified, trained and fit tested for the 3M 6800 full-face tight fitting elastomeric respirator with P100 filters.

4. Hearing Conservation: Interim Navy Medicine Hearing Conservation Program Guidance (dated 13

Dec 2012) identifies 85 decibels (dBA) as the interim Bureau of Medicine and Surgery (BUMED) OEL .

Noise hazardous equipment and operations are identified in this survey including applicable Hearing

Protection Device (HPD) requirements. Hearing protective devices are required to be worn by all personnel whenever they work or enter an area or utilize tools/equipment where Sound Pressure Levels

(SPLs), regardless of duration, are greater than 85 dBA. Operations with SPLs exceeding 96 dBA, regardless of duration, require double hearing protection. Personnel were observed wearing appropriate hearing protection during the survey. Hearing tests are required on employees working in areas where the

8-hour time weighted average is above 85 dBA (NOEL).

Hearing protection was readily available in all areas. Hazardous noise operations exceeding the 85 dBA

Occupational Exposure Limit (OEL) exist in nearly all work shop locations. Personnel operate various noise-producing tools or equipment on a daily basis. These tools and areas are labeled as requiring hearing protection. The hearing conservation program is continuously being evaluated for additional recommended guidance. The fuel accessory test area is currently designated as a noise hazardous area.

mailto:occ-appt@med.navy.mil

New test equipment has since been purchased, significantly decreasing sound levels throughout the area.

Initial sound levels and noise dosimetry indicates that this area is no longer a noise hazardous area, however two test machines (T58/T64 Nozzle) are still noise hazardous.

Recommendations: Recommended that the fuel accessory test area remain declassified as a 100% noise hazardous area. See recent and past noise dosimetry results for specific areas that require hearing protection. This recommendation does not provide for removal from Noise Medical Surveillance hearing conservation program, but only requires the use of hearing protection during specific operations as stipulated in the shops individual hazard assessment. Designated personnel should continue to use appropriate hearing protection when operating hazardous equipment and remain enrolled in the Noise

Medical Surveillance Program.

5. Ergonomics: Repetitive motion is viewed to be a major concern for personnel in several shops who must disassemble and/or re-assemble various components using mechanical or hand operated tools to remove or install hundreds of nuts and bolts, often in awkward positions. The FRC East Ergonomics

Program Manager has evaluated several of these operations and concluded that most operations in these shops provide the workers with enough variety in processes to prevent repetitive use injuries. Wherever possible, however, tools should be acquired that reduce the ergonomic stresses of these operations. There are adjustable tables, lifts, hoist, and electrical/ mechanical lifting throughout the shops to assist in moving heavy parts. There are platforms and lift stands available in areas dedicated to large engine assemblies to prevent climbing. General ergonomics training shall be provided to all employees as applicable to the employee's role in the workplace. Provide periodic refresher training at command discretion.

6. Eyewash/Emergency Showers: All main shop and test cell areas have eyewash stations in good working order (see note below), inspected, logged and accessible. Appropriate safety reps should ensure that all eyewash stations are properly mounted, evaluated and maintained according to ANSI Z358 requirements. Shop 96559 had a new eyewash station. When testing for operation it was found that the water was not turned on. Although ANSI guidelines do not require eyewash where corrosive materials are not used, if eyewash is present it must meet all requirements by ANSI and OPNAVINST 5100.23 series.

7. Asbestos Gaskets: Shops in 91104/106 have the potential to handle gaskets/clamps suspected to be asbestos containing. These gaskets/clamps are handled in a manner detailed by a written SOP. The FRC

East Safety Office should be contacted if known or suspected asbestos containing materials are present or if changes in processes occur. They will provide the written SOP and any necessary guidance training. At the time of this survey, all shops were aware of these requirements. Personnel stated that new gaskets/clamps that do not contain asbestos are used. Personnel should continue following the Asbestos SOP to ensure that exposure to asbestos containing gaskets/clamps remaining in the system is minimized.

8. Personal Protective Equipment: Appropriate PPE was observed throughout the Competency.

Individuals interviewed are aware of the requirements for the operations they conduct and are furnished with the necessary protection.

9. Occupational Reproductive Hazards: Various reproductive hazards are noted in individual shop hazard assessments. It is noted that in one of the shops there was concern for women that may become pregnant while working in a shop with reproductive hazards. This information should be addressed during review of shop MSDS’s prior to working with a product.

Recommendations: Civilian employees are strongly encouraged to notify their commands as soon as possible after becoming pregnant. In most cases, the potential for exposure to reproductive hazards should not automatically force the removal of an individual from a position, billet or job. However, removal from a particular task within a position or job modification may be necessary.

10. Ventilation: The universal test stands in Shop 96535 will be reevaluated from the previous year.

The ventilation system for 96535 Lapping Shop is below the recommended capture velocity of 500 FPM.

This ventilation system is not designed to capture dust from lapping operations. See shop operations for further evaluation. Ventilation in the fuel control accessory test area was qualitatively evaluated using smoke tubes for operational purposes. This ventilation is designed for class I division I fire hazard to cool equipment and prevent vapor build-up and explosion. See shop 96535 hazard assessment for further evaluation.

11. IH Customer Evaluation Form: An IH customer evaluation form is found in Appendix B of this report. Please complete this form as deemed necessary and return to the Naval Health Clinic Industrial

Hygiene Department Head.

12. Design Review: Industrial hygienists are required to actively participate in all facility planning, design, construction, and acceptance projects including both special and military construction projects to ensure appropriate hazard control techniques are applied. Please ensure all special projects, engineering designs, and purchasing contracts involving potential health hazards such as toxic materials, radiation, noise, or other health hazards are sent to the Industrial Hygiene Department for review.

13. Changes in Workplace Processes: This report reflects conditions and operations at this activity during the survey period. Please notify the Industrial Hygiene when significant changes occur in work center operations, chemical use, work processes, SOP revisions, or construction that may adversely affect worker health so review of documentation and evaluation may be conducted.

EVALUATION SUMMARY

2015 PERIODIC INDUSTRIAL HYGIENE SURVEY

New or Significantly Modified Work Center Operations/Processes?

No significant changes in operations/processes were identified. *

The following changes were identified:

-Shop 96552: Shop is receiving T58 engines from the Japanese Radiological Fallout area and they are being handled as potentially contaminated with radiation. All personnel that will be conducting these operations have been trained on the hazards of the radiological fallout contamination. All personnel have been medically evaluated, trained and fit tested for a full face respiratory protection and all other PPE to be used during the T58 disassembly work processes. This process operation and the building is managed by the radiation safety officer.

*For purposes of this survey, “significant changes” are defined as workplace modifications that require a change in recommended medical surveillance enrollment, personal protective equipment, or exposure control measures (ventilation, etc).

Program Findings and Recommendations

1. Medical Surveillance Program Status: Occupational Exposure Registries (OER) is included in this report to ensure

Medical Surveillance Program enrollment(s) for applicable shop personnel.

No Medical Surveillance is Recommended.

Medical Surveillance is Recommended.

No Change in Medical Surveillance Recommendations.

Medical Surveillance Recommendations have changed as follows:

Comments: Respiratory Protection (716) implemented for 96552 T58 disassembly personnel, Hearing Conservation (503) is required throughout shops and in place. FRCE IH has removed some employees from noise medical surveillance.

2. Hazardous Material Control and Management (HMC&M) Program:

AUL Y N N/A Accurate Y N

MSDS Files Y N N/A Accurate Y N

HAZMAT Training Required? Y N (Note: IH does not track training completion).

Other (lead, asbestos, etc): See Below. Y N

Comments: Shop personnel potentially exposed to harmful physical, biological, chemical agents and noted reproductive hazards and carcinogens are required to receive hazard training in accordance with OPNAVINST 5100.23G.

3. Management of Reproductive Hazards:

Reproductive Hazards Present? Y N

Any changes from previous survey? Y N

Comments: None

4. Noise and Hearing Conservation Program (HCP):

Are personnel recommended for the HCP? Y N

Are personnel receiving audiograms? Y N N/A (Note: IH does not track training completion)

Is hearing protection readily available? Y N N/A NRR for hearing protection ranged from 25-33dBA

Is hearing protection used? Y N N/A Not Available for Observation

Comments: Noise is further being evaluated through numerous Noise dosimetry throughout the shops to indicate whatever medical surveillance is required. NRR for hearing protection throughout the shops ranged from 25-33dBA.

5. Respiratory Protection:

Are respirators used to control workplace exposures? Y N

Are they effective? Y N N/A

Is the Respiratory Protection Program satisfactory? Y N N/A

Comments: None

6. Ventilation:

Are ventilation systems used to control workplace exposures? Y N

Are the systems effective and operating properly? Y N N/A

Comments: Please see Shop 96535 worksite assessment

7. Ergonomics:

Ergonomic risk factors were identified pertaining to shop work office/computer work

Available equipment/furniture incorporates good ergonomic design? Y N N/A

Ergonomic training recommended? Y N (Note: IH does not track training completion)

Comments:

8. Other Applicable Programs:

Lead Control

Asbestos Control

Carcinogens

Other

Comments: Stressors identified as known or suspected carcinogens by the Occupational Safety and Health Administration

(OSHA), the National Toxicology Program (NTP), the International Agency for Research on Cancer (IARC), and the

American Conference of Governmental Industrial Hygienists (ACGIH) are noted throughout this report.

Consultative or Special Surveys/Findings Since the Previous Survey: (check if none)

Comments:

Changes to Specific Workplace Evaluations and Monitoring Plan

1. Workplace Assessments:

No significant changes to workplace assessments information was identified.

The following significant workplace assessment changes were identified:

Comments: None

2. Exposure Assessment:

New exposure data was obtained since the prior evaluation and are summarized below.

No change in any exposure assessment was identified as part of the survey or from sampling data.

The following changes in exposure assessments were identified: None

Comments: Additional Noise dosimetry was conducted to further evaluate the HCP within the fuel control accessory test area. Continued use of hearing protection is required for listed operations and enrollment in Surveillance is also mandated.

See worksite hazard assessment for further HCP evaluation for all shops.

3. Findings and Recommendations:

There were no significant findings identified during this survey that require corrective action.

The following significant findings were identified:

Comments: N/A

4. Exposure Monitoring Plan: Required Exposure Monitoring requests are located in the report.

Exposure monitoring needs were identified.

No Exposure monitoring needs were identified.

There are no changes to the previous Exposure Monitoring Plan.

Comments: See the work site hazard assessments for exposure monitoring of organic vapors during fuel control testing and additional noise dosimetry.

INDIVIDUAL HAZARD ASSESSMENT DATE: 5/6 NOVEMBER 2015

RECORDED BY: Sam Henson

INSTALLATION: FRCE

BUILDING NUMBER: 133

SHOP NAME: 96535- Fuel Control Repair Shop

SUPERVISOR: Steven Lupton; steven.lupton@navy.mil

PHONE: 464-7682

TOTAL PERSONNEL: 33

MALE: 25 DAYS 8 NIGHTS FEMALE: 0

Shop Operations: Shop 96535 overhauls and repairs, tests and adjusts automatic and manual fuel controls, fuel galleries and governors including torque boosters, controls, PLAU's and other fuel metering units. Shop 96535 handles the T64 fuel control, T400, F402/ AV-8, H53, H46, V22 and T-64 units, as well as the T58 test, assemble and disassemble. These operations take place in the clean room, lapping area, final assembly and fuel accessory test areas. Numerous products listed on the AUL are no longer in use. Fuel Accessory Bench Test Area: This is a Class I division 2, intrinsically safe room, which provides hook up connections to flow fuel calibration fluid type II through assembled units. The area is posted as Class I division I fire hazard, and eye and hearing protection required. Qualitative ventilation will be done for each stand

OPERATIONS AND ASSOCIATED

HAZARDS

# WORKERS

DURATION/

FREQUENCY

OF EXPOSURE

MINIMUM

RECOMMENDED

CONTROLS

EXPOSURE

ASSESSMENT

Fuel Control Disassembly and

Assembly (clean room):

JP-4 and JP-5, Stoddard solvent, Isopropyl alcohol, 10/10- MIL 608IC, Liquid Edge Sealant (Xylene, Toluene, Tetraethyl Benzene), Petrolatum, Aero

Kroil

Asbestos (gaskets)

Noise

~15 workers

Variable/ 7-8 hrs/daily

Engineering: Wet method is used and materials are properly disposed. Asbestos gaskets are not used.

General dilution ventilation

PPE: Steel toe shoes, safety glasses, face shield, Nitrile gloves, smocks, rubber or

PVC aprons, ear plugs

ACCEPTABLE based on existing controls and current/past air sampling.

limited duration of exposure.

Varsol Spray Area:

Varsol-isoparaffinic hydrocarbons

Noise

~15 workers

All-Variable/ 30 min/daily

Engineering: Local Exhaust

Ventilation, enclosed spray booths

PPE: Steel toe shoes, safety glasses, face shield, Nitrile gloves, smocks, face shields for varsol spray area, rubber or PVC aprons, ear plugs

ACCEPTABLE based on existing controls and prior air sampling. High boiling point/ low vapor pressure existing administrative controls and limited duration.

Lapping Operations:

Abrasive powder-Aluminum Oxide

Grit, Lapmaster lapping vehicle

#0003, Lapmaster lapping vehicle

#006, Silicone Carbide grease, Isopropyl alcohol, Varsol type II

(PD680), Engine Oil (Type-23699), Layout Dye, UVEX Cleaner, Acetone, Diamond Compound (quartz/silica);

Noise pneumatic tools

4 workers-varies

8 hrs/daily/ intermittent

Engineering: Mechanical

Exhaust Ventilation

PPE: Circumaural muffs, earplugs, safety glasses, face shield, N-Dex/nitrile gloves, cloth & rubber aprons and lab coats

ACCEPTABLE- Based upon existing controls

(wet method) and low probability of airborne exposure due to paste compound.

Noise Acceptable per noise dosimetry results.

Final finish room- assemble:

Isopropyl alcohol, 10/10-MIL 608IC, Liquid Edge Sealant ( Xylene, Toluene, Tetraethyl Benzene), Petrolatum, Aero Kroil , Ergonomics/WMSD: Lifting Hazard-

Fuel Metering Unit (FMU)

4 workers-varies

8 hrs/daily/ intermittent

PPE: Steel toe shoes, safety glasses, ear plugs and ear muffs, face shield, Nitrile gloves, smocks

ACCEPTABLE based on lifting SOPs.

OPERATIONS AND ASSOCIATED

HAZARDS

# WORKERS

DURATION/

FREQUENCY

OF EXPOSURE

MINIMUM

RECOMMENDED

CONTROLS

EXPOSURE

ASSESSMENT

Fuel Accessory Bench Test Area:

Calibration fluid-type II

(same properties as Stoddard solvent/Mineral spirits))

~20 workers

8 hr./daily

/intermittent

~20 workers

8 hr./daily

/intermittent

Engineering: Machine shielding and mechanical ventilation.

PPE: face shield, safety glasses, goggles, ear plugs/ muffs, safety shoes, rubber and Tyvek aprons, chemical resistant gloves, hand wash materials, lab coats

Other: eyewash/showers

Calibration Fluid:

ACCEPTABLE based on existing controls and historical/recent exposure monitoring with results below the PEL for calibration fluid and for mineral spirits.

Noise:

UNACCEPTABLE

based on Past/ current noise dosimetry. See ND results table below.

ADDITIONAL RECOMMENDATIONS/COMMENTS:

Fuel Accessory Bench Test/ Lapping Area:

Chemical/OV: Personnel use small quantities of various chemicals in daily operations which are in diluted solutions.

Personnel use calibration fluid to run daily test on all fuel controls and accessories. Operations are enclosed or partially enclosed and overexposures are not expected to due to low vapor pressure and high boiling point, limited contact duration with chemicals vapors and used along with good general dilution ventilation in open areas. Current and past EM for Stoddard solvent/ mineral spirits were well below the applicable exposure limit recommendations. Continue to use all appropriate engineering controls as well as PPE and use good hygiene practices.

Noise: Results for Noise dosimetry in lapping room are acceptable. Hearing protection is required during pneumatic tool use. There are numerous new test stands in the accessory test area. For the new test stands, recent sound level readings and personal noise dosimetry results collected are below the 85 dBA OEL. Noise dosimetry collected from the old test stands

(i.e. T58 and T64 Nozzles) indicate results are either borderline or exceeding the OEL of 85 dBA. Additional noise dosimetry will be collected as required to obtain a statistically valid assessment to evaluate removal or to reestablish a 100% hearing protection required area. A table of results is provided at the end of the worksite assessment.

Lapping Operations/ Diamond: The diamond operations use a lapping compound that contains 1 % silica/quartz. Silica quartz is a suspected human carcinogen. Lapping operations use a wet method and also the compound is a paste. Fugitive dusts are not produced and exposures to dust are highly unlikely.

Lapping Operations/ Ventilation: The ventilation in the lapping room is not properly designed to capture potential aluminum/ metal particles from the lapping machines operations. The ventilation is too far away from the machines and not positioned to capture the particles as they are generated. When using organic vapors such as alcohol, operate as close to the ventilation system as possible. Have safety and engineering evaluate changes to ventilation system.

ADDITIONAL RECOMMENDATIONS/COMMENTS CONT’:

Lapping Operations/ Exhaust fumes: Employees continue to express concern about the diesel exhaust odors in the lapping room that come into the area due to the mule train travel in the aisle ways. Please reference the previous exposure monitoring collected by the FRC East safety office to address any concerns. Contact FRCE safety office for further information. This is a repeat concern.

Ergonomics: Employees use various hand and pneumatic tools. The vibrations from pneumatic tools and ergonomics stressors from repetitive motions during hand tools may cause Work-related Musculoskeletal Disorders (WMSDs). Consider replacing hand tools requiring high amounts of torque with low torque pneumatic tools to reduce potential ergonomic risks such as vibration. Recommend continuing to maintain neutral postures as feasible to avoid increased musculoskeletal strain during shop operations. A neutral posture is when the joints are not bent and the spine is aligned and not twisted. Neutral postures include (1) feet flat on the floor with the head erect and eyes forward (2) shoulders down and relaxed (3) forearms parallel to the floor and the (4) wrists straight. Rotate tasks to vary the use of different muscle groups and take mini breaks to stretch the neck and shoulders. When following these guidelines on these procedures, personnel are not expected to develop WMSDs.

USE THE FOLLOWING EXPOSURE CODES:

ACCEPTABLE: One where the IH will not expect the SEG to be exposed above the OEL.

UNCERTAIN: Additional data needs to be collected to clarify exposure assessment. The IH should make an interim exposure assessment based on the observation of the process and/or professional judgments.

UNACCEPTABLE: One where the IH will expect the SEG to be exposed above the OEL.

SKIN: The material poses a skin absorption hazard.

REPRODUCTIVE HAZARD: The material is recognized by the navy as a reproductive hazard.

CARCINOGEN: The material contains > 0.1% of an OSHA, ACGIH, IARC, or NTP-recognized carcinogen.

EXPOSURE MONITORING PLAN

DATE: NOVEMBER-DECEMBER 2015

RECORDED BY: Sam Henson

INSTALLATION: FRC East

BUILDING NUMBER: 133

SHOP NAME: 96535

SUPERVISOR: STEVEN LUPTON

PHONE: 464-9657

TOTAL PERSONNEL: 33

MALE: 25 DAYS 8 NIGHTS FEMALE: 0

Operation Potential Hazard #No. Samples Sample location

Sample Freq

Test Stand T64 Fuel Nozzle

#00127-130287

Noise 1 TWA PD/HZ 3

Test Stand T58 Fuel Control

#00207108024

Noise 1 TWA PD/HZ 3

Fuel Control Test Room Noise Various (SLM)

Each Stand

DR/SZ 1

All fuel Accessory test stand

Ventilation-qualitative test only

Calibration Fluid Type II

(mineral spirits/stoddard solvent)

CAS 8052-41-3

1 Smoke test DR/Smoke 1 each stand

Please contact the Naval Health Clinic, Industrial Hygiene Department (466-3251/4551), prior to the next evolution of the above operations for evaluation/sampling.

RECOMMENDED MEDICAL SURVEILLANCE PROGRAMS

Shop 96535

Recommended Program Work Operation # Emp. Rationale

#503 - Noise T64 Nozzle/T58 Fuel

Accessory Test Area-old test stands. Use of pneumatic tools.

~5

Determined by Supv.

Past/Present Noise Dosimetry;

Sound level readings during pneumatic tool and old test stand use.

EXPOSURE MONITORING RESULTS

NOISE DOSIMETRY/AIR MONITORING

Shop 96535

Historical Noise Dosimetry Results

Field Sample

IDs Sample Date Hazard

TWA Value OEL OEL Value

L8hr Lshift DOSE

16-0110 2015/11/10 NOISE 77.9 dBA 77.9 dBA 19.5% DoD 8 hr TWA

(NOISE)

85.0 dBA

16-0096 2015/11/09 NOISE 86.0 dBA 86.0 dBA 126.6% DoD 8 hr TWA

(NOISE)

85.0 dBA

16-0136 2015/12/02 NOISE 84.6 dBA 84.6 dBA 90.9% DoD 8 hr TWA

(NOISE)

85.0 dBA

16-0145 2015/12/09 NOISE 88.0 dBA 88.0 dBA 201.3% DoD 8 hr TWA

(NOISE)

85.0 dBA

Results are from use of old test stand and pneumatic tool use.

LISTING OF CHEMICALS WITH SPECIAL EMPHASIS HEALTH HAZARDS

SHOP 96535

Skin Notations

Carcinogens

Reproductive Hazards

Asbestos-A1

Silica/Quartz- A2

Xylene-F

Toluene-M/F

Noise-D

M=Male, F=Female, D=Developmental

1- As indicated in the 2015 TLVs and BEIs published by the American Conference of Governmental Industrial

Hygienists

2- 2011 12 th

Report on Carcinogens, published by the U.S. Department of Health and Human Services Public Health

Service National Toxicology Program (Substances Known to be Human Carcinogens)

American Conference of Governmental Industrial Hygienist (ACGIH) Carcinogen Categories:

A1= Confirmed Human Carcinogen

A2= Suspected Human Carcinogen

A3= Confirmed Animal Carcinogen with Unknown Relevance to Humans

A4= Not Classified as a Human Carcinogen

3- Navy and Marine Corps Public Health Center Technical Manual TM-OEM-6260.01series

WORKSITE HAZARD ASSESSMENT DATE: 27/28 OCTOBER 2015

INSTALLATION: Fleet Readiness Center East

BUILDING NUMBER: 133, 3402

SHOP NAME: 96552

SUPERVISOR: Tony Yoder/ anthony.yoder@navy.mil

PHONE: 464-7899

TOTAL PERSONNEL: 20

MALE: 19

FEMALE: 1

SHOP OPERATIONS: This shop is organized with three different engine types and three different work centers for each engine; T-

58 Engine and Components, T-400 Engine and Components, and the T-64 Engine and Components. Each engine type has a assembly work center, disassemble work center and test work center. Hazardous Material usage is the same as in 2012. The T400 are not currently being assembled or tested. They only test the T400 gearboxes using a slave T400 engine. There haven’t been any major changes since the IH survey completed in 2012 except shop is receiving T58 engines from the Japanese Radiological Fallout area and they are being handled as potentially contaminated with radiation. All personnel that will be conducting these operations have been trained on the hazards of the radiological fallout contamination. All personnel have been medically qualified, trained and fit tested for a full face respiratory protection and other PPE to be used during the T58 disassembly work processes. Personnel will wear thermo-luminescent dosimeter (TLD) badges throughout the operations. Engine Test Cells: Assembled engines are run in the test cells (test cells 1 and 3 for T-58), (test cell 6 for T-400), and (test cells 2/7 for T-64).

OPERATIONS AND ASSOCIATED

HAZARDS

DURATION/

FREQUENCY

OF EXPOSURE

MINIMUM RECOMMENDED

CONTROLS

EXPOSURE

ASSESSMENT

Engine/Component Repair and Sub-

Assembly:

Loctite sealing compound, RTV sealant, Milk of magnesia, Graphite petrolatum, Plastic seal, Spray and Wipe, PD-680

(varsol), isopropyl alcohol, JP-5, calibration fluid

Asbestos gaskets and clamps

Noise

Cut/ Laceration Hazards, Lifting Hazard- Engine

23 workers

8 hours/day

Engineering: Engine Hoist, Wet method of gasket removal

PPE: Safety glasses, Tyvek apron, safety shoes, nitrile gloves Earplugs, circumaural earmuffs Cut resistant gloves

Administrative: Written SOP for potential asbestos gasket removal

ACCEPTABLE based on continued use of existing engineering controls, application methods.

Final Assembly - Quick Turnaround

Repair:

Loctite sealing compound, RTV sealant, Milk of magnesia, Graphite petrolatum, Plastic seal, Spray and Wipe, PD-680

(varsol), isopropyl alcohol, Methylene chloride, JP-5, ardox ultrasonic cleaner, Noise

Lifting Hazard- Engine

23 workers

Engineering: Engine Hoist circumaural earmuffs

ACCEPTABLE based on continued use of existing engineering controls, application methods and minimal use duration

Final Assembly Engines:

Loctite sealing compound, RTV sealant, Milk of magnesia, Graphite petrolatum, Plastic seal, Spray and Wipe, PD-680

(varsol), isopropyl alcohol, Methylene chloride, JP-5, Nickel Anti-Seize

Noise

Lifting Hazard- Engine Parts

Dermal/ Burn Hazards (Dry ice (CO2 ), Oven- Used to heat bearings)

23 workers safety shoes, nitrile gloves Earplugs, circumaural earmuffs, Thermal resistant Gloves, Hot/cold.

ACCEPTABLE based on continued use of existing engineering controls, application methods and minimal use duration

Parts Cleaner:

Varsol-isoparaffinic hydrocarbons

23 workers intermittent

15 min/day

Engineering: There is a lid to mitigate fugitive vapors from entering the shop areas

PPE: Nitrile Gloves, face shield, apron

ACCEPTABLE based on continued use of existing engineering controls. Low vapor pressure and high boiling point.

OPERATIONS AND ASSOCIATED

HAZARDS

DURATION/

FREQUENCY

OF EXPOSURE

MINIMUM RECOMMENDED

CONTROLS

EXPOSURE

ASSESSMENT

Engine Disassembly Area:

Isopropyl alcohol, Aero Kroil, Milk of

Magnesia, Insta-bond Adhesive

(Cyanoacrylate), 3145 RTV, , Mobil

Grease, Layout Fluid, Molybdenum grease, Nickel Anti-Seize (Never-Seez), JP-5, Varsol

Noise

Lifting Hazard- Engine

Up to 23 workers

Usually 3 persons

8 hours/day

Intermittent

Engineering: Engine Hoist, assisted lifting safety shoes, nitrile gloves earplugs, circumaural earmuffs

ACCEPTABLE based on continued use of existing engineering controls

Grinding Compressors/ Stators, Gas

Generator Shroud, and Power Turbine

Shroud:

nickel alloys, titanium

Noise

WMSDs/Ergonomics: Lifting Hazard-

Engine

23 workers intermittent

30 min./ week circumaural earmuffs

Administrative: Housekeeping, use

HEPA vacuum to collect grinding dust during the operation and after for clean-up.

ACCEPTABLE based on continued use of existing engineering controls

T- 58, T-400, T-64 Engine Repair and

Test- (Test Cells):

JP-5, synthetic lube oil, Physical injury: trip hazards, burns, Noise- employees are only allowed to enter test cell under idle conditions

6 workers

Engineering: Engine testing is conducted from a control booth, separated from the test chamber by protective glass

PPE: Safety glasses, safety shoes, nitrile gloves, earplugs and circumaural earmuffs, face shield, goggles

Administrative: A minimum of two people are required to test an engine.

Noise exposure is

UNACCEPTABLE

Required use of double hearing protection in test cell areas.

All other listed hazards are

ACCEPTABLE with continued use of existing controls.

T64 Water Flow Test Turbine Nozzles

Noise

2 workers

6 nozzles/day

Up to 8hrs/day

PPE: safety glasses, safety shoes, earplugs available.

Noise Acceptable;

SLM=73.4dBA Operator seat-82.1 dBA At stand

RECOMMENDATIONS: Ensure employees are adhering to the FRC East’s Asbestos SOP. Implement use of cut resistant gloves in work processes where potential for cuts and lacerations exist.

Chemicals/OV: Personnel use small quantities of various chemicals in daily operations which are in diluted solutions. Personnel use calibration fluid to run daily test on all fuel controls and accessories. The Valco Hylomar Universal Blue sealing compound used in the

T400 assembly contains Methylene Chloride which is a potential carcinogen. The T400 is not currently being assembled, but the capability remains. Exposure monitoring will be conducted when assembly of the T400 resumes. Operations are conducted in open air and exposures exceeding the OEL are not expected to due to limited contact duration with chemicals, low vapor pressure and used along with good general dilution ventilation. Current and past EM for Stoddard solvent/ mineral spirits were well below the applicable exposure limits. Continue to use all appropriate engineering controls as well as PPE and use good hygiene practices.

Noise: Noise exposure is produced during various operations throughout the shop while operating engine test cells, operating power, pneumatic and manual hand tools along with compressed air. Personnel operating the engine test cells are expected to be overexposed to hazardous noise exceeding OEL due to level of noise and past exposure results exceeding the OEL. Personnel working in the shops using pneumatic and power tools periodic are not expected to exceed the OEL during intermittent noise exposures and limited duration however this exposure is unknown since exposure results have not been thoroughly assessed and documented. Further noise dosimetry will be conducted throughout the assembly and disassembly engine areas to assess noise exposures.

Ergonomics: Employees use various hand and pneumatic tools. The vibrations from pneumatic tools and ergonomics stressors from repetitive motions during hand tools may cause Work-related Musculoskeletal Disorders (WMSDs). Consider replacing hand tools requiring high amounts of torque with low torque pneumatic tools to reduce potential ergonomic risks such as vibration. Recommend continuing to maintain neutral postures as feasible to avoid increased musculoskeletal strain during shop operations. A neutral posture is when the joints are not bent and the spine is aligned and not twisted. Neutral postures include (1) feet flat on the floor with the head erect and eyes forward (2) shoulders down and relaxed (3) forearms parallel to the floor and the (4) wrists straight. Rotate tasks to vary the use of different muscle groups and take numerous mini breaks to stretch the neck and shoulders. When following these guidelines on these procedures, personnel are not expected to develop WMSDs.

USE THE FOLLOWING EXPOSURE CODES:

ACCEPTABLE: One where the IH will not expect the SEG to be exposed above the OEL.

UNCERTAIN: Additional data needs to be collected to clarify exposure assessment. The IH should make an interim exposure assessment based on the observation of the process and/or professional judgments.

UNACCEPTABLE: One where the IH will expect the SEG to be exposed above the OEL.

SKIN: The material poses a skin absorption hazard.

DATE: 27/28 OCTOBER 2015

RECORDED BY: Sam Henson

INSTALLATION: FRC East

BUILDING NUMBER: 133

SHOP NAME: 96552

SUPERVISOR: TONY YODER

PHONE: 464-7899

TOTAL PERSONNEL: 20

MALE: 19 FEMALE: 1

Operation Potential Hazard #No.

Samples

Sample location

Sample Freq

T64/T58 Test Cell Operation Noise 1 TWA HZ 2

General Shop Work – Engine

Disassembly

Noise 1 TWA HZ 2

General Shop Work – Engine

Assembly

Noise 1 TWA HZ 2

Flow Checks at test stand Noise 1 TWA HZ 2

Please contact the Naval Health Clinic, Industrial Hygiene Department (466-3251/4551), prior to the next evolution of the above operations for evaluation/sampling.

Shop 96552

#503 - Noise Test Cell Entry 20 Past Noise Dosimetry; Sound level readings

2015 Sound Levels Tools/Equipment S/N 16-0036 to16-0037 and 14-0907 to 14-0908

Tool/Use Sound (dBA) at Source/HZ # Ft below 85 dBA Hearing Protection required > 85

¼ “ sidewinder/ static 88.3 3ft Yes

¼ “ sidewinder/ under load 93.2-98.2 5ft Yes

Engine Test Cell 7 T64-outside closed front door

69.2 N/A N/A

Engine Test Cell 7 T64-

Inside door

90.5 N/A

At > point possible

Yes- Double

Engine Test Cell 7 T64- 96-98.5 N/A Yes- Double

Engine Test Cell 7 T64-intake Left

105-106 N/A Yes- Double

Engine Test Cell 7 T64-

Intake/right

111.4 N/A Yes- Double

50 PSI pneumatic hoist 83/84 N/A Yes-Single borderline

Hoist # 60 83/84 N/A Yes-Single borderline

Hearing protection available and used ranges NRR 25dB-33dB as well as earmuffs for double HP.

SHOP 96552

Navy and Marine Corps Public Health Center

Technical Manual NMCPHC-TM-OEM 6260.01C April Skin Notations

Carcinogens

Reproductive Hazards

Nickel

Asbestos

Methylene Chloride

Ionizing Radiation

Nickel-F/D

Noise-D

Ionizing Radiation F/D

M=Male, F=Female, D=Developmental

1- As indicated in the 2015 TLVs and BEIs published by the American Conference of Governmental Industrial

Hygienists

2- 2011 12 th

Report on Carcinogens, published by the U.S. Department of Health and Human Services Public Health

Service National Toxicology Program (Substances Known to be Human Carcinogens)

ACGIH Carcinogen Categories:

A1= Confirmed Human Carcinogen

A2= Suspected Human Carcinogen

3- Navy and Marine Corps Public Health Center Technical Manual TM-OEM-6260.01C

INDIVIDUAL HAZARD ASSESSMENT DATE: 30 OCTOBER 2015

INSTALLATION: FRCE

BUILDING NUMBER: 4188 and 133

SHOP NAME: 96556- F402 Engine Repair and Test Shop

SUPERVISOR: Wesley Randolph

Wesley.w.randoplh@navy.mil

PHONE: 464-5296

TOTAL PERSONNEL: 18

MALE: 18

FEMALE: 0

BLDG 4188 SHOP OPERATIONS: F 402-RR-408 Engines are assembled and tested in Building 4188. Stands can be raised and lowered and around the engine for accessibility and the engines can be tilted horizontally or vertically. An overhead hoist is available to lift engine, subassemblies, and tools into place. Noise data is now being evaluated using the DOD criteria with 85 dBA instead of the 84 dBA OEL.

OPERATIONS AND

ASSOCIATED HAZARDS

DURATION/

FREQUENCY

OF

EXPOSURE

MINIMUM RECOMMENDED

CONTROLS

EXPOSURE

ASSESSMENT

Engine Build-up

Loctite sealing compound, RTV sealant, Anti seize compound, Plastic seal, Assembly fluid, Isopropyl alcohol, HFE 711PA cleaner, 2-part epoxy polyamide, varsol.

Ergo/Physical: Lifting Hazards/

Repetitive motion

Noise (Pneumatic tools)

~8 workers

< 8 hours/day

Engineering: Overhead Hoist, lift tables, ergo chair

Administrative: Safe Lifting practices

(lifting in pairs)

PPE: Safety glasses, Tyvek apron, safety shoes, nitrile gloves, earplugs, circumaural muffs, ACCEPTABLE based on existing controls and prior air sampling.

ACCEPTABLE: Work practices

UNCERTAIN not enough noise data collected during assembly/ disassembly to fully assess

Test Cell Operations

Noise (Engines)

JP5 Fuel

~3 workers

~20 min/engine

~1hrs/month

Engineering: Protective shielding for control room

PPE: Earplugs, circumaural muffs, safety glasses, protective clothing, nitrile gloves

Noise, UNCERTAIN based on previous sampling >84 dB(A).

Required continued use of double hearing protection in test cells. EM required

JP5 exposure, ACCEPTABLE based on existing controls and low potential of inhalation exposure and

EM for similar exposures

BLDG 4188 RECOMMENDATIONS: Ensure employees are adhering to the FRC East’s Asbestos SOP. Implement use of cut resistant gloves in work processes where potential for cuts and lacerations exist.

Chemicals/OV: Personnel use small quantities of various chemicals in daily operations which are in diluted solutions. Personnel use JP5 and other minor organic vapors containing fluids to run daily operations. Operations are conducted in open air and exposures exceeding the OEL are not expected to due to limited contact duration with chemicals, low vapors and used along with good general dilution ventilation. Current and past EM results for Stoddard solvent/ mineral spirits during similar operations were well below the applicable exposure limits. Continue to use all appropriate engineering controls as well as PPE and use good hygiene practices.

Noise: Noise exposure is produced during various operations throughout the shop while operating engine test cells, using power, pneumatic and manual hand tools along with compressed air. Personnel operating the engine test cells are expected to be overexposed to hazardous noise exceeding OEL due to level of noise and past exposure results. Personnel working in the shops using pneumatic and power tools periodic are not expected to exceed the OEL during intermittent noise exposures and limited duration however this exposure is unknown since exposure results have not been thoroughly assessed and documented. Further noise evaluation will be conducted throughout the assembly and disassembly engine areas to assess noise exposures.

Ergonomics: Employees use various hand and pneumatic tools. The vibrations from pneumatic tools and ergonomics stressors from repetitive motions during hand tools may cause Work-related Musculoskeletal Disorders (WMSDs). Consider replacing hand tools requiring high amounts of torque with low torque pneumatic tools to reduce potential ergonomic risks such as vibration. Recommend continuing to maintain neutral postures as feasible to avoid increased musculoskeletal strain during shop operations. A neutral posture is when the joints are not bent and the spine is aligned and not twisted. Neutral postures include (1) feet flat on the floor with the head erect and eyes forward (2) shoulders down and relaxed (3) forearms parallel to the floor and the (4) wrists straight. Rotate tasks to vary the use of different muscle groups and take numerous mini breaks to stretch the neck and shoulders. When following these guidelines on these procedures, personnel are not expected to develop WMSDs.

BLDG 133 SHOP OPERATIONS: In the MRA assembly area, sub-sections of the engine are reassembled before going to the final assembly area, where they will be assembled into a complete engine. Some items may contain several hundred screws, nuts, and several hundred compressor vanes. Assembly time of cases varies, but could take up to two days to complete. Chemical substances are used in very limited quantities. Hand and pneumatic tools are primarily used during shop operations. Engines are cleaned prior to arriving at the Disassembly Shop. F402-RR-408/ MK107 engines are disassembled and parts are routed to appropriate shops for repair.

OPERATIONS AND

ASSOCIATED HAZARDS

DURATION/

FREQUENCY

OF

EXPOSURE

MINIMUM RECOMMENDED

CONTROLS

EXPOSURE

ASSESSMENT

HPC Case/ exhaust diffuser/ tail pipe Assembly

Loctite sealing compound, RTV sealant, Anti seize compound, Plastic seal, Assembly fluid, Isopropyl alcohol, HFE 711PA cleaner, 2-part epoxy polymide, varsol.

Ergo/Physical: Lifting Hazards/

Repetitive motion

Noise (Pneumatic tools)

~5 workers

< 8 hours/day

Engineering: Overhead Hoist

Administrative: Safe Lifting practices (lifting in pairs)

PPE: Safety glasses, Tyvek apron, safety shoes, nitrile gloves, earplugs, circumaural muffs, ergo chair.

controls and local SOPs

Noise, UNACCEPTABLE based on previous sampling >84 dB(A).

Required continued use of hearing protection

Assembly and Disassembly of engine turbine packs

Loctite sealing compound, RTV sealant, Anti seize compound, Plastic seal, Assembly fluid, Isopropyl alcohol, HFE 711PA cleaner, 2-part epoxy polymide, varsol.

Ergo/Physical: Lifting Hazards/

Repetitive motion

Noise (Pneumatic tools)

Asbestos gaskets

~5 workers

8 hours/day

Engineering: Overhead Hoist, Wet method of gasket removal

Administrative: Safe Lifting practices (lifting in pairs)

PPE: Safety glasses, Tyvek apron, safety shoes, nitrile gloves, earplugs, circumaural muffs, ergo chair.

controls and local SOPs.

Required continued use of hearing protection

Asbestos gaskets are rarely discovered during disassembly of engine components, all gasket removal is completed wet and the waste is treated and disposed per the local SOPs.

Intermediate Case/Rotor Center

Front Case Assembly

Loctite sealing compound, RTV sealant, Anti seize compound, Plastic seal, Assembly fluid, Isopropyl alcohol, HFE 711PA cleaner, 2-part epoxy polymide, varsol.

Asbestos gaskets

Ergo/Physical: Lifting Hazards/

Repetitive motion

Noise (Pneumatic tools)/Lighting

Industrial Ovens – Burns

~5 workers

8 hours/day

Engineering: Overhead Hoist, Wet method of gasket removal

Administrative: Safe Lifting practices (lifting in pairs)

PPE: Safety glasses, Tyvek apron, safety shoes, nitrile gloves, earplugs, circumaural muffs, heat resistant gloves and ergo chair.

previous sampling >85 dB(A).

Required continued use of hearing protection.

Lighting UNACCEPTABLE

Asbestos gaskets are rarely discovered during disassembly of engine components, all gasket removal is completed wet and the waste is treated and disposed per the local SOPs.

Varsol parts cleaning (B133 and

B4188)

PD-680 (varsol)

~10 workers

~10 min/week

Engineering: keep lid closed when not in use

PPE: face shield, nitrile gloves, nitrile apron and chemical splash goggles.

ACCEPTABLE, based on minimum recommended controls in place.

Engine and MRA Disassembly

Isopropyl alcohol, Kroil oil, air motor oil, spray paint

Ergo/Physical: Lifting Hazards/

Repetitive motion WMSD

Noise (Pneumatic tools)

~6 workers

< 8hrs/day

Engineering: Overhead Hoist

Administrative: Safe Lifting practices (lifting in pairs)

PPE: Safety glasses, Tyvek apron, safety shoes, nitrile gloves, earplugs, circumaural muffs, ergo chair.

Required continued use of hearing protection

BLDG 133 RECOMMENDATIONS:

Chemicals/OV: Personnel use small quantities of various chemicals in daily operations which are in diluted solutions. Personnel use JP5 and other minor organic vapors fluids to run daily operations. Operations are conducted in open air and exposures exceeding the OEL are not expected to due to limited contact duration with chemicals, low vapors produced and used along with good general dilution ventilation.

Current and past EM for Stoddard solvent/ mineral spirits during similar operations were well below the applicable exposure limits.

Continue to use all appropriate engineering controls as well as PPE and use good hygiene practices.

Noise: Noise exposure is produced during various operations throughout the shop while operating engine test cells, using power, pneumatic and manual hand tools along with compressed air. Personnel operating the engine test cells are not expected to be overexposed to hazardous noise exceeding OEL, but due to level of noise and past exposure results personnel are enrolled in HCP. EM will be conducted.

Personnel working in the assembly shops using pneumatic and power tools periodic are not expected to exceed the OEL during intermittent noise exposures and limited duration however this exposure is unknown since exposure results have not been thoroughly assessed and documented. Personnel in disassembly have continuously exceeded the NOEL for noise 9see results). Further noise evaluation will be conducted throughout the assembly and disassembly engine areas to assess noise exposures.

Ergonomics: Employees use various hand and pneumatic tools. The vibrations from pneumatic tools and ergonomics stressors from repetitive motions during hand tools may cause Work-related Musculoskeletal Disorders (WMSDs). Consider replacing hand tools requiring high amounts of torque with low torque pneumatic tools to reduce potential ergonomic risks such as vibration. Recommend continuing to maintain neutral postures as feasible to avoid increased musculoskeletal strain during shop operations. A neutral posture is when the joints are not bent and the spine is aligned and not twisted. Neutral postures include (1) feet flat on the floor with the head erect and eyes forward (2) shoulders down and relaxed (3) forearms parallel to the floor and the (4) wrists straight. Rotate tasks to vary the use of different muscle groups and take numerous mini breaks to stretch the neck and shoulders. When following these guidelines on these procedures, personnel are not expected to develop WMSDs. Employees noted the concern over diesel exhaust in the area. The mule trains drive through the building making frequent stops.

USE THE FOLLOWING EXPOSURE CODES:

ACCEPTABLE: One where the IH will not expect the SEG to be exposed above the OEL.

UNCERTAIN: Additional data needs to be collected to clarify exposure assessment. The IH should make an interim exposure assessment based on the observation of the process and/or professional judgments.

UNACCEPTABLE: One where the IH will expect the SEG to be exposed above the OEL.

SKIN: The material poses a skin absorption hazard.

DATE: 30 OCTOBER 2015

RECORDED BY: Sam Henson

INSTALLATION: FRC East

BUILDING NUMBER: 133

SHOP NAME: 96556

SUPERVISOR: WESLEY RANDOLPH

PHONE: 464-5296

TOTAL PERSONNEL: 18

MALE: 18 FEMALE: 0

Operation Potential Hazard #No.

Samples

Sample location

Sample Freq

F402/MK-107 Disassembly

Operations in Building 133

Noise 2 TWA HZ 3/yr

F402 Assemble and Test B-4188 Noise 2 TWA HZ 2/Yr

Please contact the Naval Health Clinic, Industrial Hygiene Department (466-3251/0279/4564), prior to the next

Shop 96556

#503 - Noise Pneumatic Tool Use during disassembly

18 Noise Dosimetry; Sound level readings

Field

Sample

IDs

Sample

Date Hazard TWA Value Shift level % Dose OEL OEL Value

15-0156 2015/01/07 NOISE 80.6 dBA 80.6 dBA 36.6% DoD 8 hr TWA

(NOISE)

85.0 dBA

15-0160 2015/01/22 NOISE 77.9 dBA 77.9 dBA 19.5% DoD 8 hr TWA

(NOISE)

85.0 dBA

15-0399 2015/05/12 NOISE 90.2 dBA 90.2 dBA 331.8% DoD 8 hr TWA

(NOISE)

85.0 dBA

16-0123 2015/11/17 NOISE 87.7 dBA 87.7 dBA 184.1% DoD 8 hr TWA

(NOISE)

85.0 dBA

16-0125 2015/11/18 NOISE 85.9 dBA 85.9 dBA 122.0% DoD 8 hr TWA

(NOISE)

85.0 dBA

16-0126 2015/11/18 NOISE 80.2 dBA 80.2 dBA 33.3% DoD 8 hr TWA

(NOISE)

85.0 dBA

16-0128 2015/11/19 NOISE 85.7 dBA 85.7 dBA 118.4% DoD 8 hr TWA

(NOISE)

85.0 dBA

16-0129 2015/11/19 NOISE 83.1 dBA 83.1 dBA 64.5% DoD 8 hr TWA

(NOISE)

SHOP 96556

Carcinogens

Reproductive Hazards

JP5 Asbestos

M=Male, F=Female, D=Developmental

1- As indicated in the 2015 TLVs and BEIs published by the American Conference of Governmental Industrial

2- 2011…

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