ATTACHMENT_04_-_140P8622Q0059_-_SOW_03_-_Lead-Related_Dust_Cleaning.pdf

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012721 LEAD-RELATED DUST CLEANING

SECTION 02 83 33 - LEAD-RELATED DUST CLEANING

PART 1 GENERAL

1.1 SUMMARY

A. This section specifies the methods, procedures, and requirements related to the cleaning and disposal of lead-containing dusts and paint chips including but not limited to regulatory requirements; project submittals; personal protective measures; execution of work; inspections; and waste handling. The goal of the dust removal is to clean all horizontal surfaces within the scope of work areas sufficiently to less than the clearance levels noted within this workplan.

B. Background:

1. In November 2021, Millennium performed an assessment at the Golden Gate National

Recreation Area’s (GGNRA) Fort Mason Building 201 for the presence of lead dusts under

Contract 140P8621P0069. The findings of the November 5, 2021 assessment resulted in the identification of lead-contaminated dusts above regulatory thresholds at windowsills and other horizontal surfaces; this report is attached to this specification.

2. While the paint coatings at the interior windows and windowsills are in a good condition, there are deposited dusts on the windowsills which have accumulated at the corners of windows. These accumulated dusts are either from previous activities or from leakage at the windows and originating from the exterior surfaces of the windows. The correction of damaged paint coating on the exterior of windows is currently being planned by the GGNRA and will be handled under a separate contract.

3. Dusts containing lead were also detected at flooring samples and other horizontal surfaces and these levels were below applicable regulatory thresholds. While paint chips were observed on floors in areas, the amount of paint chips are de minimis amounts. The scope of work areas can be viewed in Figs. 1-3.

4. The disturbance of lead-containing materials and/or dusts may cause lead to be released into the environment, thereby creating a potential health hazard to workers and occupants.

Ingestion or inhalation of lead-contaminated dust can cause various health concerns, including but not limited to nausea, anemia, vomiting, kidney disease, nervous system disorders, and reproductive problems.

5. All contractors, sub-contractors, consultants, and other occupants in the vicinity of a potential lead hazard should be apprised by the responsible parties and applicable warning signs per Cal/OSHA requirements cited in 8 CCR 1532.1.

6. Significant lead exposure may result from activities such as demolition of components, scraping, sanding, or grinding lead-based paint, abrasive blasting of surface coatings, welding, torch cutting, or related procedures (also known as Trigger Task 1, 2, or 3).

7. While trigger tasks are not anticipated for this project, where in performance of the work specified herein, other lead exposure at or above the occupational exposure limits could be anticipated, strict adherence to the measures and procedures of these specifications and 8

CCR 1532.1 are mandatory.

C. Historic Preservation:

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1. It is noted that Building 201 is a contributing building to the San Francisco Port of

Embarkation National Historic Landmark District. National Historic Landmarks and

National Historic Landmark Districts are of the highest-level designation under the National

Historic Preservation Act and therefore require the highest level of care to protect their in integrity. The contractor shall take such care during the cleaning activities to maintain the finish and condition of surfaces being cleaned.

1.2 RELATED REQUIREMENTS

A. Section 01 11 00 - Summary of Work

B. Section 01 35 23 – Safety Requirements

1.3 REFERENCE STANDARDS

A. 8 CCR 1532.1 Lead - current edition.

1.4 SUBMITTALS

A. Schedule: Submit five (5) days before starting work and include specific dates and tasks, including man-loading for the beginning and ending of each phase of the work.

B. Cal/OSHA Lead Compliance Plan: Submit for approval a detailed plan of the procedures proposed to comply with the requirements of 8 CCR 1532.1. Include in the plan all components required under the standard (refer to 1532.1(e)(2)(B)). Include the qualifications of the Competent Person for the lead-related activities.

Also include a documented negative exposure assessment (NEA) for each task anticipated to disturb lead-containing dusts performed within the past 12 months. Negative exposure assessment submittal will be reviewed for compliance with the requirements of 8 CCR 1532.1(d) and (n) by the

Contracting Officer. If a documented NEA is not available, then initial exposure monitoring as detailed in 1532.1(3).

C. Experience and Training: When exposures are shown to exceed the PEL, the Supervisor and workers must be CDPH Certified and have had training in lead-related construction procedures (see

1532.1(l)(3)). Submit documentation for each worker and supervisor. Provide a Supervisor when

Contractor's personnel are on site who is experienced in administration and supervision of lead-related construction projects including work practices, protective measures for building and personnel, disposal procedures, etc. This person is the Contractor's Representative responsible for compliance with all applicable federal, state, and local regulations, particularly those relating to lead-containing materials. Contractor shall use only workers medically qualified and trained for lead-related work and respirator usage.

Contractor shall submit documentation that all employees engaged in lead-related disturbance or cleaning activities have had the appropriate medical examinations within the prescribed time periods preceding project start-up. Documentation shall include, but is not limited to, baseline blood lead levels performed in accordance with 8 CCR 1532.1(j).

D. Worker Training and Medical Monitoring Records:

1. Training: Submit a list of all workers and a copy of lead-related training and/or CDPH training certificates for each worker to the Observation Service prior to start of work.

2. Blood tests: Submit test results for each worker and supervisor within five (5) days of start of work. Medical monitoring records may also be submitted if workers are under an existing

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medical monitoring program. If periodic blood monitoring results are not available, then initial blood lead monitoring shall be conducted prior to the start of work as detailed in 1532.1.

3. Daily log: Keep a daily log listing workers names and hours worked and detailing each entry and exit. This log is to be submitted in the final closeout paperwork

E. Respiratory Protection Plan: Submit five (5) days before starting work a project-specific

Respiratory Protection Plan which follows Cal/OSHA Title 8 Section 5144. Contractor shall submit statement from examining physician that each employee is fit to wear a respirator in accordance with 8 CCR 5144 within the last twelve months along with documentation that all employees have passed respiratory fit tests within the past six months.

F. Hazardous Waste Management Plan: Submit for approval five (5) days before starting work copy of Hazardous Waste Management (HWMP) plan which follows federal, state, and local hazardous waste regulations. The waste generated during the cleaning will be considered a RCRA hazardous waste unless the Contractor performs enough sampling and analyses to determine otherwise. The

HWMP must addresses:

1. Identification of California hazardous wastes and RCRA hazardous wastes associated with the work.

2. Sampling and Analysis Plan: Submit for approval a Sampling and Analysis Plan detailing the following elements:

• Identification of materials including location, component color, substrate;

• Proposed sample collection methods to be employed;

• Proposed analytical methods to be used;

• Proposed analytical laboratory and associated qualifications; and

• Proposed methods of data interpretation.

Note: Refer to the Society of Protective Coatings Technology Guide No. 7, Guide to the

Disposal of Lead-Contaminated Surface Preparation Debris for a detailed procedure for waste characterization.

3. Estimated quantities of both regulated and general wastes to be generated and disposed.

4. Names and qualifications of each contractor that will be transporting, storing, treating, and disposing of the wastes. Include the facility location and a 24-hour point of contact. Furnish copies of EPA, state, and local permit applications, permits, and EPA Identification numbers.

5. Names and qualifications (experience and training) of personnel who will be performing the sample planning, sampling, and data interpretation.

6. Spill prevention, containment, and cleanup contingency measures to be implemented.

7. Names of EPA approved hazardous waste treatment or disposal facility for lead- related material disposal.

1.5 CLOSEOUT SUBMITTALS

A. Waste Disposal Records: A written record of receipts with certified weight for disposal of materials containing lead and other lead-contaminated items shall be furnished to the Contracting Officer

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within forty-eight (48) hours after disposal has taken place. Provide a schedule showing date, amount, type of material and location disposed of within ten (10) working days of disposal.

B. Daily Log of Workers: Submit the daily log of workers as indicated in 2.1(f)(3) above. Also include exposure monitoring results for any exposure sampling conducted during the work.

1.6 REGULATIONS

A. The Contractor shall comply with the requirements of the following regulations and guidelines governing lead-related activities and disposal, as well as other applicable federal, state, and local government regulations. The regulations and/or guidelines listed herein are incorporated by reference.

B. California Code of Regulations (CCR):

• 8 CCR Division 1, Chapter 4, Subchapter 4, Construction Safety Orders

• 8 CCR 1532.1, Lead in Construction Standard

• 8 CCR 5144, Respiratory Protection

• 17 CCR Division 1, Chapter 8, Work Practices for Lead-Based Paint & Lead Hazards

• 22 CCR Division 4 and 4.5, Hazardous Waste

C. Code of Federal Regulations (CFR):

• 29 CFR 1926, Construction Standards

• 29 CFR 1926.62, Lead in Construction Standard

• 40 CFR Part 50.12, Ambient Air Quality Standard for Lead

• 40 CFR Parts 261, 265, and 268, Hazardous Waste Management

• 49 CFR Parts 172, 173, 178, 179, Hazardous Material Transportation

D. HUD Guidelines:

• 49 CFR Parts 172, 173, 178, 179, Hazardous Material Transportation

1.7 CONTRACTING OFFICER’S OBSERVATION SERVICE

A. The Contracting Officer may authorize an Observation Service to provide inspections, testing and monitoring services including but not limited to:

1. Review of Submittals required under Section 1.4 and 1.5

2. Wipe testing for lead dust to establish pre- and post-lead dust concentrations and to determine whether Contractor has successfully completed clean-up and met the project decontamination criteria.

3. Wipe sampling at entry/exit points and at adjacent areas (e.g., vestibules) to determine the efficacy of containment and whether the Contractor has/has not tracked out lead dusts.

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4. Visual inspections to verify Contractor's compliance with the specifications, as well as applicable regulations regarding hazard control measures and related decontamination procedures.

5. Interpretation of technical sections of the contract documents, and coordination with the

Contracting Officer and Contractor for enforcement of regulatory and contractual conformance including stop work issues.

B. The cost of the Observation Service will be the responsibility of the Government except under special circumstances. The Contractor shall be responsible for the cost of the Observation Service for additional services performed when:

1. The Contractor's Work Area fails final clearance inspection and/or testing; or

2. Additional workdays or workday hours (overtime) are required by the Observation Service due to the pace of the Contractor to complete their task within a required timeframe; or

3. The Contractor exceeds the allowable time frame for completion; or

4. Additional services associated with response to an uncontrolled, unauthorized release to the environment because of the Contractor's performance of the work.

PART 2 PRODUCTS -- NOT USED

PART 3 EXECUTION

3.1 SCOPE

A. The work of this section includes the provision for all labor, materials, equipment, and services necessary to clean and dispose of lead-containing dusts and de minimis paint chips as indicated by this specification as required to support the re-opening of the facility to normal use. All work shall follow Cal/OSHA 1532.1.

B. The work of the Contract can be summarized as follows:

1. Administrative requirements necessary to execute the work, including but not limited to the preparation and delivery of all required submittals; and,

2. Cleaning of all horizontal surfaces and contents within the East Wing of Building 201 using

HEPA vacuuming and wet wiping as required for clearance inspection and testing.

a. Wet wiping is conducted with a solution of ordinary household detergent. Trisodium phosphate detergent is not recommended for this project.

b. Major dust reservoirs to be cleaned include interior windowsills, floors/steps, cracks and crevices, carpets, furnishings, radiators, grates and registers, and Mechanical Electrical

Plumbing (MEP) components including lighting and sprinkler piping.

c. Note: Floor 1 is vacant with no furniture, materials, etc. Floor 2 was in the initial stages of occupancy and the move-in was not completed. There are some dusts accumulated on the desks/chairs. The third floor is vacant with the exception of Room 302 where a sectional conference table and conference chairs are stacked. This dust on the furnishings is not from the construction activities. However, these items must be wiped cleaned

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during this project. For the furnishings and materials on Floor 2 and 3, wash or dust using disposable cloths and spray polish. Moving furnishings within rooms to facilitate thorough cleaning is required.

d. This work includes the packaging, transportation, and disposal of all waste and dust and debris resulting from the cleaning. Loose debris and dusts shall be treated as hazardous waste, unless otherwise approved by the Contracting Officer. Laboratory costs associated with analyses required for disposal shall be at the Contractor's expense.

e. The cleaning will be verified through dust wipe sampling at the conclusion of the project.

3.2 GENERAL WORK AREA PREPARATION

A. Level of preparation and lead-related cleaning activities are outlined in this section. The Contractor shall use this section as a guide to the preparation and set up of work areas. Should conditions require modified controls, the Contractor may request the modifications, in writing, to the Contracting

Officer.

B. Work Area Setup

1. Post signs as stated above and seal all openings (e.g., critical barriers at entrances) to the work area with a minimum of 6-mil polyethylene sheeting to reduce the potential for occupants to enter the work area.

2. Install and maintain walk-off mats at the entry exit to the work areas.

3. Notify the Contracting Officer when the work area is ready for inspection. Lead- related work shall not proceed until the Contracting Officer’s Representative has inspected and approved work area preparations.

C. Cleaning Hard Surfaces

1. The dust removal procedure for hard surfaces and components is HEPA vacuuming followed by wet cleaning. Vacuums should be passed over the entire surface with overlapping strokes using a normal speed. General household cleaners are effective for wet cleaning. Lead-specific cleaners such as trisodium phosphate are not recommended. The effort put into cleaning including the amount of pressure applied to the surface and the thoroughness of the cleaning is more important than the cleaning agent.

2. General Work Practices:

a. Clean from top to bottom. HEPA vacuum before wet cleaning. When vacuuming, use crevice and brush tools where appropriate. If possible, place the HEPA vacuum unit on a smooth, hard surface that has been cleaned, or on a clean, durable polyethylene sheeting rather than directly on the carpet. Use disposable cleaning cloths or sponges.

b. Start at the 3rd floor and work in one direction toward the front/exit of the 3rd floor.

Then repeat the process on the remaining floors in sequence.

c. Within a room, start with the highest horizontal surfaces and work down. This will typically result in the following cleaning sequence: MEP components (e.g., lighting, piping, exterior of ductwork), shelving, tops of windows/doors, tops of sashes, mullions, and interior windowsills. Clean dust traps such as radiators, vents/registers, and other horizontal components followed by baseboards, and finally floors. Work from dirty areas to cleaner areas. Clean upholstered furnishings and other furnishings. To clean

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furnishings, vacuum each surface three to five times. Steam cleaning of furnishings is not recommended because it may damage the furnishing.

d. When cleaning surfaces other than floors, the cleaning solution may be mixed in a plastic jug and poured directly onto sponges or cloths. This procedure is to minimize the contamination of the cleaning solution. Frequently rinse the sponge/cloths in a bucket of clean water.

e. For hard floors, a three-bucket system is recommended to minimize spreading lead dust from one location to another. The cleaning solution should be mixed in one bucket.

Dirty water is squeezed into a second bucket. A third bucket should contain rinse water for the mop head. Frequently, at least once per room, change the rinse water in the bucket. Use a string mop instead of a sponge mop. Perform a final cosmetic rinse with clean water.

i) To make a cleaning solution, mix with water according to the manufacturer’s instructions for recommended concentrations. Follow all manufacturer’s instructions and precautions including the use of PPE.

f. Clean until surface dust is no longer visible. After cleaning a windowsill or a floor, rinse with clean water using a new sponge or cloth.

g. To change filters, vacuums, etc., it is preferable to perform this task outside the building. Place the vacuum on a sheet of plastic, replace filters/bags, wet clean the outside of the vacuum, vacuum the plastic, pull up the plastic, vacuum the immediate area (if feasible), and dispose of the plastic.

D. Cleaning of Wall-to-Wall Carpets

1. Dust embedded in the floors of carpets is not easily removed by cleaning. Dry vacuuming is recommended for this project. Vacuum carpeting with a vacuum equipped with an agitator attachment on the vacuum head. The total vacuuming time recommended is at least 4-minutes per 10-sq. ft. of carpeting, divided into two segments of at least 2-minutes for each 10-sq. ft.

The two vacuuming segments are performed in perpendicular directions.

E. Materials

1. Protective Coverings: Polyethylene sheets of 6-mil thickness in dimensions of adequate width to minimize frequency of joints. All polyethylene sheeting shall be UL listed and certified as fire retardant or non-combustible.

2. Tape: Duct tape or similar, two inches or wider, capable of sealing joints of adjacent sheets of plastic sheeting or for attachment of plastic sheeting to finished or unfinished surfaces.

Tape must be able to be removed without damaging existing finishes.

3. Cleaners: Wet wiping for decontamination shall be accomplished with a detergent wash solution. Alternate cleaning and decontamination agents shall be subject to approval by the

Owner. To make a cleaning solution, mix with water according to the manufacturer’s instructions for recommended concentrations. Follow all manufacturer’s instructions and precautions including the use of PPE.

4. Disposal Containers: Provide 6-mil thick polyethylene sheeting, 6-mil leak-tight polyethylene bags and other impervious containers (e.g., drums) as required by applicable regulations. All waste shall be labeled as potentially hazardous waste unless proven

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otherwise by appropriate sampling and laboratory analysis. All hazardous waste shipping containers shall meet Federal DOT and California requirements.

5. Warning Signs and Labels: When exposure levels exceed the PEL, warning signs shall be posted and include phrase:

DANGER

LEAD WORK AREA

MAY DAMAGE FERTILITY OR THE UNBORN CHILD

CAUSES DAMAGE TO THE CENTRAL NERVOUS SYSTEM

DO NOT EAT, DRINK OR SMOKE IN THIS AREA

These signs shall be posted at each approach to the work area.

Hazardous waste labels in accordance with federal, state and local regulations, including, but not limited to the California Code of Regulations, Title 22 Chapter 30, and the U.S.

Department of Transportation 49 CFR Parts 172, 173, 178 and 179.

6. Personal Protective Equipment: If exposures are shown to be greater than the PEL, workers shall wear full body disposable Tyvek- type suits with hoods and separate booties, tape around ankles, wrists, under arms and neck. Suits will be worn inside the work area after the area passes pre-work inspection and shall remain in use until the area passes final clearance inspection (see 1532.1(g)).

Goggles with side shields will be worn when working with a material that may splash or fragment, or if protective eye wear is specified on the Safety Data Sheets (SDS) for that product (see 1532.1(g)).

Additional respiratory protection by supplemental filters, such as organic vapor cartridges, may be needed when handling some coating products. Consult the SDS and obtain the proper filters as necessary.

In addition, all Cal/OSHA requirements, such as hard hats, hearing protection, etc. are required ((see 1532.1(g)).

7. Tools and Equipment: Provide suitable tools for the decontamination and cleaning of lead-containing dusts including required HEPA vacuums and exhaust units, airless sprayers, ground fault interrupters, wipes, and ladders. All tools and equipment brought on site shall be clean and free of contamination from lead and other hazardous materials.

HEPA filtered equipment shall be labeled with a warning label and dedicated to lead-related work to prevent combining hazardous wastes of differing characteristics.

Provide adequate support equipment, including, but not limited to lumber, decontamination showers and filtering components to dispose of water, sprayers, hoses, drain pans, and miscellaneous collection devices.

3.3 GENERAL WORKER SAFETY AND DECONTAMINATION PROCEDURES

A. The contractor shall employ only workers medically qualified and trained for lead- related work and respirator usage.

1. Medically qualified shall mean that the worker has had an occupational medical exam for lead exposure and respirator use within the last 12 months, in accordance with 8 CCR

1532.1(f) and (j) and shall have had a blood lead test within the last 6-months.

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B. Each worker shall have completed formal documented training in lead hazards and lead-related construction.

C. The Contractor shall assure that no worker is permitted to perform lead-related work until the

Contracting Officer has received and approved all of that worker's medical, training, and respirator fit test certifications.

D. The Contractor shall perform or submit an initial exposure assessment in accordance with 8 CCR

1532.1. This includes, but is not limited to, collecting personal air samples to determine the employee’s actual exposure to lead dust during construction activities. Personal samples will be collected by the contractor pursuant to 1532.1(d). Each task performed will be monitored at a flow rate of 1-4 liters per minute on MCE 37mm 0.8 μm pore size cassettes. A minimum of two lab blank should be submitted with each set of samples.

E. Each worker, upon entering the job location, shall proceed to the designated clean room/area and if exposures are greater than the PEL, don PPE including: a half-mask, negative pressure respirator equipped with HEPA filters, and disposable, full-body, Tyvek suit, gloves, and other safety apparel as required (i.e., hard-hats, steel toed shoes, etc.) before entering the Work Area. The above PPE must be worn for the duration of this project, or until the initial exposure assessment indicates that exposure to lead dust during these activities will not exceed the action level (30 μg/m3).

F. All disposable clothing worn in each work shift shall be HEPA vacuumed and removed prior to exiting the Work Area and shall be properly segregated and placed in containers for non-hazardous disposal. Workers shall then proceed to the designated wash station before removing respirator to wash face, hands, arms, etc.

G. All tools and equipment shall be decontaminated by HEPA vacuuming and/or wet wiping prior to being taken out of the Work Area.

H. Workers shall not eat, drink, smoke, or chew gum or tobacco within the work areas.

I. The Contractor shall provide all workers, foremen, and superintendents with properly fitted respirators approved by NIOSH and OSHA at no cost to worker. Authorized visitors (i.e., Federal, State and Local inspectors) must provide a current medical report certifying they are approved to wear respirators. When respirators and disposable filters are employed, enough replacement filters will be provided by the Contractor for the workers and any visitors. All workers must be properly trained in the care, use and maintenance of respirators. The Contractor is responsible for requiring worker fit tests within the last six (6) months. The anticipated minimum respiratory protection required for this project will be a half mask, air purifying respirators, equipped with HEPA filters for airborne lead dust.

J. Contractor will perform air monitoring as required by Title 8, Section 1532.1 in order to determine

8-Hour Time Weighted Average: (TWA) of lead dust to which any worker may be exposed shall not exceed the following: Permissible Exposure Limit Lead- 50 micrograms per cubic meter of air

(50 μg/m3) for the 8-hour Time Weighted Average (TWA).

3.4 INSPECTION PROCEDURE WORK AREA CLEARANCE

A. After the Contractor final clean-up, a preliminary visual inspection will be conducted by the

Competent Person and the Contracting Officer’s representative to ensure visible dust and debris has

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been removed from all horizontal surfaces throughout Floors 1-3. The Contractor shall provide the

Contracting Officer at least 3 working days notice prior to scheduling the final inspection.

B. If the Work Area is not visibly clean, as determined by the preliminary visual inspection, the

Contractor shall re-clean until the work area passes inspection.

C. Clearance criteria to release cleaned areas to the government is as follows:

1. No visible dust or debris,

2. Interior Windowsills and Horizontal Surfaces: 100 μg/ft2, and

3. Interior Floor Surfaces: 10 μg/ft2

B. If a work area fails the clearance criteria specified above, the Contractor shall be responsible to re-clean the area at no additional cost to the Government and shall be responsible for associated additional re-inspection costs, including laboratory fees unless otherwise directed by the Contracting

Officer. In addition, all costs related to the disposal of hazardous materials (generated by the recleaning), including any additional testing requirements or standards imposed by the waste receiving facility, will be the responsibility of the cleaning/abatement contractor.

3.5 WASTE HANDLING AND DISPOSAL

A. Waste storage location, equipment, containers, and methods shall follow the requirements of 40 CFR

262 and 265, and California Code of Regulations Title 22 and are the responsibility of the contractor.

B. The contractor shall dispose of all listed building components containing lead that exceeds or equals the TTLC limit of 1,000 ppm, and STLC limit of 5 mg/L as Cal/Haz waste, and TCLP limit of 5 mg/L as RCRA waste respectively.

C. At the contractor’s sole option and expense, additional waste characterization necessary to determine the soluble characteristics of identified waste streams may be performed. Such additional sampling and analysis shall be performed in accordance with federal and state regulations. The contractor shall not proceed with its own waste characterization without obtaining written approval from the

Contracting Officer. If the contractor chooses this option, it must demonstrate and certify the sampling performed is in accordance with Title 22, CCR 66261.20 and EPA SW-846 (most current version) including the Chapter 9 Statistical evaluations.

D. To the extent that the contractor chooses to perform waste characterization sampling and analyses, all waste containers and packaged waste shall be stored in a designated, secure waste storage area and labeled "PENDING ANALYSIS" with the following information:

1. Waste Category (Chip/Dust and Removal Components)

2. Date Accumulated

3. Name and Address of the Park

4. Origin of Waste

E. The Contractor is responsible for all costs associated with characterization and landfill profiling of waste.

F. The Contractor shall submit name, address, and telephone number of landfill or landfills and transporter to Contracting Officer for approval, prior to disposal. This includes those landfills used for waste categories determined to be non-hazardous.

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G. The Contractor shall prepare waste shipping manifests for review by the Contracting Officer. The manifests shall be signed by the duly authorized representative of the Contracting Officer and copies retained by the Park. Provide draft hazardous waste manifest and complete waste characterization for review with 2 working days advance notice prior to requesting NPS signature as Generator

H. The Contractor is responsible for all costs associated with transportation and disposal of the waste.

I. Waste manifest forms shall be provided by the Contractor. The Contracting Officer will provide the

Contractor with the Generator's US EPA ID No (Box 1 in MANIFEST) following park review of the draft manifest.

• Box 5 of Manifest should have the following information:

Golden Gate National Recreation Area

201 Fort Mason

San Francisco, CA 94123

Attn: NPS Environmental Protection Specialist (415) 561-4956

3.6 STOP WORK ORDERS

A. The Contracting Officer has the authority to stop work if it is determined that conditions or procedures are not in compliance with the Work Plan and/or applicable regulations; the Contractor is deficient in providing required submittals; the waste is not securely stored; or a potential release of lead dust to outside the Work Area is imminent based on the Contracting Officer’s judgment. The work stoppage shall remain in effect until conditions have been corrected and corrective measures have been taken to the satisfaction of the Contracting Officer.

END OF SECTION