Tera Builder

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TERABuilder

Is this a new task?

Yes

No

Task Title?

User Details

Company Name

Employee ID Number

Conducted By

Job Title

Job Title (other)

Certification

Certification Number

Department

Section

Location

Building

Task Classification

Task Type

Days Per Year

Hours Per Day/Week

Equipment Type

Serial Number

Operating Parameters (RPM, PSI)

Hazard Information

Hazard

Chemical Name

Chemical ID

Physical State

Product Use

Substance

CAS #

Physical State

Scale of Use

State

Weight

Area

Length

# Welding Rods Per day

Chemical Work Conditions

Environmental

Ambient Temperature

Humidity

Operating Temperature

Atmospheric Pressure

Workspace

Workspace Type

Work Position

Worker Position

Confined Space

Space

Space Volume

Identification #

Distance from Source

Is there an existing mechanical ventilation?

Yes

No

Ventilation Flowrate In

Air Changes/Hour (ACH)

Formula: 60 * (Ventilation In) ÷ Space Volume

Is there an existing local exhaust ventilation system?

Yes

No

Type

Face Velocity

Identification #

Degree of Dermal Contact

type

Body Contact Area

Frequency of Contact

Limited Contact (Temporary Use by Worker)

No Contact (Engineered System)

Inhalation Exposure Potential

Inhalation Health Hazard

5

Inhalation Exposure Limit Rating

3

5

Task Airborne Potential

5

Airborne Exposure Potential

3

5

Time

Frequency

5

Duration

4

4.5

Scale of Use

2

Workspace

4

2

4

15.5

Controls

Existing Inhalation Controls

-5

-10

Additional Inhalation Controls

-5

-5

Overall Score

0.5

``

Modeled Air Exposure Results

Substance

1

CAS#

1

%

1

Calculated Airborne (CA) Concentration

1

OEL

1

% of OEL

1

APF Required

1

Formula Used: CA = Evaporation Rate X 24.45 x 10^6 / MW x Q

Objective Air Exposure Results

Substance

1

CAS#

1

%

1

Calculated Airborne (CA) Concentration

1

OEL

1

% of OEL

1

APF Required

1

Additional Inhalation Controls

Engineering Controls

Admistrative Controls

Respiratory Protection

Recommended Respitory Protection

Substance	CAS#	Respiratory Protection	Assigned Protection Factor	MUC (ppm)	MUC (mg/m3)
		Qtr Mask
		H/H-PAPR	25
		HF-SAR-CF/PD	50

Work Rate

Recommended Respiratory Cartridges

Substance	CAS#	Respiratory Cartridges	Expected Concentration	Breakthrough Time (mins)
		AM/MA
		FM/OV
		N95

Dermal Exposure Potential

Dermal Health Hazard

5

Dermal Exposure Limit Rating

3

5

Task Dermal Potential

5

Dermal Contact Potential

3

5

Time

Frequency

5

Duration

4

4.5

Scale of Use

2

Degree of Dermal Contact

4

2

4

15.5

Controls

Existing Dermal Controls

-5

-10

Additional Dermal Controls

-5

-5

Overall Score

0.5

Additional Dermal Controls

Chemical Clothing

Substance	CAS#	Chemical Clothing	Breakthrough Time (mins)
		Tychem® SL
		Tychem® C3

Chemical Gloves

Substance	CAS#	Chemical Clothing	Breakthrough Time (mins)
		Nitrile Rubber
		Polyvinylalcohol (PVAL)
		Silvershield/4H® (PE/EVAL/PE

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