hazwoper exam 2

data quality objectives (DQO)

state the problem, identify decision and inputs, define boundaries, develop decision rule, specify tolerable limits, optimize design

field duplicates

checks for reproducibility of lab and field procedures/helps ID non-homogeneity

field blanks

checks for cross-contamination/issues with collection, preservation, shipment

temperature blank

ensures temperature range maintenance in transit

trip blank

VOC-specific blank for evaluation of potential contamination during handling/storage

what should never be opened in the field? It is prepared and sealed prior going into the field.

Trip blank

Physical indicator, water

Temperature blank

What IS opened and handled in the field? Can have a sample number assigned.

Field blank

What is the target audience for compliance?

site workers, supervisors, SSHOs, project managers

Level A PPE Level Selection Matrix

confined space w/unknowns, splash, dermal

Level B PPE Level Selection Matrix

High VOCs, O2 less than 19.5%, unknowns

Level C PPE Level Selection Matrix

Clear OELs, cartridge changeout schedule

Level D PPE Level Selection Matrix

Nonhazardous ATM/Contact

PPE Program Upgrade

O2 < 19.5%, LEL less than or greater than 10%, unexpected VOC spikes, later ID of dermal hazard

PPE Downgrade

Only after sustained safe reasons, with supervisor (qualified individual) authorization

Pre-Task Daily Prep

Tailgate Briefing, Worker Readiness, Equipment and Instrument Checks, Zone Control

Execution/Post-Task

Work Authorization, Contractor coordination, Port-Task Documentation, Continuous Improvement Efforts

Site Control and Access

Zone Demarcation, Logs, Personnel Tracking/Training

Respiratory Protection

1910.134 alignment, medical, fit testing, cartridges

Decon

CRZ setup, clear step-by-step sequence and responsibilities, waste disposal

Leak and Spill Response

Notification chains, containment methods, absorbent selection

Exposure Monitoring

Instrument choice/use, calibration logs, action level triggers

PPE Management

Selection criteria, donning/doffing sequences, inspection, maintenance

Incidence Reporting

Injury reporting, exposure monitoring, near-miss reporting, continuous improvement

Waste Management

Compatibility segregation, labeling, manifesting, storage, and disposal

What does the training program require?

elements to be covered, initial training, management/supervisor training, qualifications for trainers, training certification, emergency response, refresher training, equivalent training, employees must be trained to a level required by their job function and responsibility

General Worker Initial Training

40 hrs off-site + days OJT

Occasional Work Initial Training

24 hrs off-site + 1 day OJT

Fully-characterized, low risk work initial training

24 hrs off-site + 1 day OJT

Medical Surveillance Program

must institute a program, employees covered, frequency of exams, content of exams, examination and costs, information provided to physician, physicians written opinion, recordkeeping

Employees covered by medical program EXCEPT:

every employee

How long is the employer supposed to retain medical records?

30 years

Retention Log: Training and Qualifications

any certificates as appropriate, refresher training certificates

Retention Log: Respiratory and Medical

Physician records (fit for duty), testing records

Retention Log: Exposure and Work Control

PPE issuance and inspection logs, zone control entry/exit logs

Retention Log: Plans and Incidents

Approved HASP with signatures and revisions, JSA/AHA/Daily work permits

Required elements for site specific HASP

task specific hazard analysis, training, PPE, exposure monitoring, medical surveillance, decontamination, work practices, emergency response, on-site management, evaluation of effectiveness

why is site characterization essential?

protect the people, comply with the law, avoid poor decisions

what are the requirements for site characterization?

preliminary evaluation, hazard identification, required information, PPE, monitoring, risk identification, and employee notification

how is the hazard ranking system (HRS) scored?

1. Likelihood of Release

2. Waste Characteristics

3. Targets

ASTM Phase 1 Environmental Site Assessment

due diligence, environmental lien, innocent landowner defense, petroleum exclusion, recognized environmental condition

EPA All Appropriate Inquiry

data gap, environmental professional, institutional control

What is a brownfield?

a property, expansion, redevelopment, or reuse of which may be complicated by the precense or potential presence of a hazardous substance, pollutant, or contaminant

what are the hierarchy of controls?

elimination, substitution, engineering controls, administrative controls, PPE

General PPE Responsibilities

perform/certify hazard assessment, select appropriate PPE, communicate with affected employees, remove defective/damaged PPE, train employees, pay for equipment, and ensure employee-provided PPE is adequate

what has to be included in PPE training?

why PPE is necessary, when, what, how to properly wear PPE, demonstrate proficiency, proper care/maintenance/useful life/disposal

what happens in retraining for PPE?

belief that employee doesn’t have skill with PPE, changes in work/changes in PPE, inadequacies employee knowledge

Level A PPE Protections:

PD/PP SCBA or SAR w/escape, TECP Suit and chemical resistant gloves

Level B PPE Protections:

PD/PP SCBA or SAR w/escape, non-encapsulating chemical protective suit and chemical resistant gloves

Level C PPE Protections:

½ mask or full-face APR or PAPR, non-encapsulating chemical protective suit and chemical resistant gloves

Level D PPE Protections:

No respiratory protection, no chemical protective clothing

OSHA Site Control/HAZWOPER Requirements

site map, site work zones, buddy system, site communications including alerting means for emergencies, standard operating procedures or safe work practices, identification of the nearest medical assistance

Site Work Zones

exclusion zone, contamination reduction zone, support zone (cold zone), uphill/downhill, upwind/downwind

Essential map features for site

topography, prevailing wind direction, drainage, location of buildings, containers, impoundments, pits, ponds, and tanks

map uses for site control:

planning, assigning personnel, identifying access/escape routes and problem areas, identifying where certain PPE is necessary, supplementing H&S briefings

DECON Planning

number and layout of decontamination stations, decontamination equipment needed, decontamination methods, procedures to prevent contamination of clean areas, methods/procedures to minimize worker contact with contaminants during PPE removal, methods for disposing of clothing and equipment that are not completely decontaminated

Physical Decontamination Methods

Used for: loose contaminants, adhering contaminants, volatile liquids

Methods: dislodging, displacement, rinsing, scraping, brushing, wiping, evaporation, high pressure, heat

Chemical Decontamination Methods

Used for: generally used after physical removal of gross contamination

Methods: dissolving, surfactants, solidification, rinsing: dilution, attraction, solublization, disinfection/sterilization

Contamination Reduction Corridor:

controls access to exclusion zone, confines decontamination activities to controlled area, dimensions of corridor depend on number of decon stations, corridor boundaries are clearly marked

visual inspection (decon)

only indicates surface contamination

swipe testing (decon)

wipe of inside suit surface and outside surface are analyzed at lab

permeation testing (decon)

analysis of section of suit

the area where decontamination takes place is called the

contamination reduction zone

which of the following is NOT a required element of the Site Control Program in 1910.120d?

cartridge change schedule

responsibilities of the buddy at the hazardous waste site include all of the following except:

definition of decon procedures

the hot zone is the outer boundary of the

exclusion zone

the sequence of Level A suits should be:

Inspect, Don SCBA, Don Suit, Don Facepiece, Close Suit

According to 1910.120, decontamination procedures should be performed in geographical areas that are:

downwind from the cold zone

The number of work zones at a hazardous response site is usually

3

Decontamination procedures usually include all of the following except:

IDLH evaluation station

The individual in charge of the site plan is titled the

Site Safety Officer

a decon solution such as detergent is an example of

surfactant

in addition to having the site specific Health and Safety Plan available on-site, the employer must provide for:

pre-entry safety briefings

medical examinations required for employees covered under HAZWOPER are:

provided annually

the proper removal order for Level C PPE is

any outer covers, suit, inner coverings, respirator

As per 1910.120, which of the following is NOT included in the physicians written opinion?

Specific diagonses

which of the following is NOT a pre-entry briefing requirement from 1910.120b?

conditions assessed by a CIH

According to HAZWOPER (b), the written Health & Safety Program needs to be made available to contractor/subcontractors involved with the hazardous waste operation; employees; employee representatives, and:

 

OSHA Personnel

According to 1910.120, the effectiveness of the site-specific HASP is determined by:

 

Inspection by Site Safety Officer

According to 1910.120(e), employees performing clean-up activities at hazardous waste sites must have refresher training: 

 

Annual that is 8-hours long

Which of the employees are NOT required to participate in the medical surveillance program in 1910.120?

 

Employees who visit the clean-up site once per year

According to 1910.120(c)(2), when must a preliminary evaluation of a site’s characteristics be performed?

 

Prior to site entry by any employee.

According to OSHA, which of the following is NOT a required piece of information to be gathered during the preliminary site evaluation?

 

The financial value of the hazardous substances being recovered.

Under 1910.120(c)(6), what is the primary purpose of air monitoring during the initial site entry?

 

To identify levels of oxygen and flammable or toxic substances.

If the preliminary site evaluation does not produce enough information to identify the hazards or the potential for IDLH conditions, which PPE level must be used for initial entry?

 

Level B (SCBA/supplied air with lower chemical resistance).

Your MUC for respirators consists of the PEL and the 

 

Assigned Protection Factor

What is the specific Hazard Ranking System (HRS) score threshold required for a site to be placed on the National Priorities List (NPL)?

28.5

According to the content covered, what is the primary goal of a Brownfield project compared to a Superfund (NPL) project?

 

Brownfields focus on land revitalization, while Superfund sites focus on remediation.

Which site factor directly influences the need for shift rotations, heat stress management, and medical surveillance for employees?

 

Duration of the planned employee activities

Half-faced respirators are always negative pressure respirators

false

During the site characterization required by 1910.120(c), why is it critical to evaluate the site's topography and accessibility?

 

to assist in establishing evacuation routes and determining the best locations for the command post and decontamination areas.