Request For Proposals – Solid Waste Environmental Monitoring Services

Worcester County Administration
1 West Market Street, Room 1103
Snow Hill, Maryland 21863
REQUEST FOR PROPOSAL
PROJECT: Solid Waste Environmental Monitoring Services
DEPARTMENT: Public Works - Solid Waste Division
VENDOR:
NAME:
ADDRESS:
PROPOSAL OPENING:
DATE: June 11, 2026
TIME: 2 p.m.
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TABLE OF CONTENTS
SECTION I: INTRODUCTION ................................................................................................................................................... 3
A. PURPOSE ........................................................................................................................................................................ 3
B. CLARIFICATION OF TERMS .................................................................................................................................... 3
C. QUESTIONS AND INQUIRIES .................................................................................................................................... 3
D. FILLING OUT PROPOSAL DOCUMENTS ............................................................................................................... 3
E. SUBMISSION OF PROPOSAL DOCUMENTS .......................................................................................................... 3
F. OPENING OF PROPOSALS ......................................................................................................................................... 4
G. ACCEPTANCE OR REJECTION OF PROPOSALS ................................................................................................. 4
H. QUALIFICATIONS ....................................................................................................................................................... 5
I. NOTICE TO VENDORS ................................................................................................................................................ 5
SECTION II: GENERAL INFORMATION ............................................................................................................................... 6
A. ECONOMY OF PROPOSAL ........................................................................................................................................ 6
B. PUBLIC INFORMATION ACT (PIA) ......................................................................................................................... 6
C. CONTRACT AWARD ................................................................................................................................................... 6
D. AUDIT ............................................................................................................................................................................. 6
E. NONPERFORMANCE .................................................................................................................................................. 6
F. MODIFICATION OR WITHDRAWAL OF PROPOSAL ......................................................................................... 7
G. DEFAULT ....................................................................................................................................................................... 7
H. COLLUSION/FINANCIAL BENEFIT ......................................................................................................................... 7
I. TAX EXEMPTION ........................................................................................................................................................ 7
J. CONTRACT CHANGES ............................................................................................................................................... 7
K. ADDENDUM ................................................................................................................................................................... 8
L. EXCEPTIONS/ SUBSTITUTIONS ............................................................................................................................... 8
M. INSURANCE ................................................................................................................................................................... 9
N. PROPOSAL EVALUATION ......................................................................................................................................... 9
O. GENERAL REQUIREMENTS ..................................................................................................................................... 9
P. PAYMENT ...................................................................................................................................................................... 9
Q. AWARD ........................................................................................................................................................................... 9
SECTION III: GENERAL CONDITIONS ............................................................................................................................... 10
A. SERVICES AND FACILITIES ................................................................................................................................... 10
B. PROTECTION OF WORK, PROPERTY AND PERSONS ..................................................................................... 10
C. LICENSES AND PERMITS ........................................................................................................................................ 10
D. SUPERVISION ............................................................................................................................................................. 10
E. CHANGES IN WORK ................................................................................................................................................. 10
F. TIME FOR COMPLETION ........................................................................................................................................ 10
G. CONSTRUCTION SAFETY AND HEALTH STANDARDS ................................................................................... 10
SECTION IV: SCOPE OF SERVICES ..................................................................................................................................... 12
A. PROJECT DESCRIPTION ......................................................................................................................................... 12
B. CONTRACT PERIOD AND PRICING ...................................................................................................................... 12
C. CONTRACT PERIOD RENEWAL OPTION ........................................................................................................... 12
D. SCOPE OF WORK ....................................................................................................................................................... 12
SECTION V: APPROACH, EXPERIENCE, STAFFING AND QUALIFICATIONS .......................................................... 16
A. TECHNICAL APPROACH ......................................................................................................................................... 16
B. STAFFING .................................................................................................................................................................... 16
C. ORGANIZATIONAL CAPACITY AND CURRENT WORKLOAD ...................................................................... 17
D. EXAMPLE PROJECTS ............................................................................................................................................... 17
FORM OF PROPOSAL ............................................................................................................................................................... 19
REFERENCES ............................................................................................................................................................................. 21
EXCEPTIONS .............................................................................................................................................................................. 22
INDIVIDUAL PRINCIPAL ......................................................................................................................................................... 23
VENDOR'S AFFIDAVIT OF QUALIFICATION TO BID ..................................................................................................... 24
NON-COLLUSIVE AFFIDAVIT ................................................................................................................................................ 25
EXHIBIT A ................................................................................................................................................................................... 26
ATTACHMENTS ......................................................................................................................................................................... 30
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SECTION I: INTRODUCTION
A. PURPOSE
1. The purpose of this Request for Proposal Document is for Worcester County ("County") to
contract professional engineering services for the Solid Waste Disposal Facilities
Environmental Monitoring Services in conformity with the requirements contained herein
("Proposal Document(s)").
B. CLARIFICATION OF TERMS
1. Firms or individuals that submit a proposal for award of a contract ("Contract") are referred to as
vendors ("Vendors") in this document. The Vendor that is awarded the Contract is herein
referred to as the ("Successful Vendor").
C. QUESTIONS AND INQUIRIES
1. Questions must be addressed in writing to the Worcester County Procurement Officer at
purchasing@worcestermd.gov.
2. A non-mandatory pre-proposal meeting will be held at 9 a.m. on May 28, 2026, at the Central
Site Landfill Office (7091 Central Site Lane, Newark, MD 21841).
3. Last questions are due no later than June 4, 2026, at noon.
4. Addenda are posted on the County website at https://www.co.worcester.md.us/ under County
Info: Bid Board: at https://www.co.worcester.md.us/commissioners/bids at least five calendar
days before proposal opening.
5. It is the Vendor's responsibility to make sure all addenda are acknowledged in their proposal.
Failure to do so could result in the proposal being disqualified.
D. FILLING OUT PROPOSAL DOCUMENTS
1. Use only forms supplied or referenced by the County.
2. One unbound original and three bound copies of the proposal form and any required attachments
must be submitted with the proposal and can be submitted in the same envelope unless otherwise
instructed.
3. Proposal Documents should be compiled as follows: (1) Cover letter, (2) Form of Proposal, (3)
References, (4) Exceptions Document and Signed addenda, if necessary (5) Individual Principal
Document, (6) Vendor's Affidavit of Qualification to Bid, and (7) Non-Collusive Affidavit and
(8) Proposal Approach, Experience, Staffing and Qualifications
4. Where so indicated by the make-up of the Proposal Documents, sums will be expressed in both
words and figures, and in the case of a discrepancy between the two, the amount written in words
will govern. In the event there is a discrepancy between the unit price and the extended totals, the
unit prices will govern.
5. Any interlineation, alteration, or erasure will be initialed by the signer of the Proposal
Documents.
6. Each copy of the Proposal Documents will be signed by the person(s) legally authorized to bind
the Vendor to a contract, using the legal name of the signer. Proposal Documents submitted by
an agent will have a current Power of Attorney attached certifying the agent's authority to bind
the Vendor.
7. Vendor will supply all information and submittals required by the Proposal Documents to
constitute a proper and responsible completed Proposal Document package.
8. Any ambiguity in the Proposal Documents as a result of omission, error, lack of clarity or non-
compliance by the Vendor with specifications, instructions, and/or all conditions of bidding will
be construed in the light most favorable to the County.
E. SUBMISSION OF PROPOSAL DOCUMENTS
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1. All copies of the Proposal Documents and any other documents required to be submitted with the
Proposal Documents will be enclosed in a sealed envelope. The envelope will be addressed to the
Worcester County Commissioners and will be identified with the project name:
RFP - Environmental Monitoring Services and the Vendor's name and address. If the Proposal
Documents are sent by mail, the sealed envelope will be enclosed in a separate mailing envelope
with the notation "SEALED PROPOSAL DOCUMENTS ENCLOSED" on the face thereof.
2. Proposals must be mailed or hand carried to the Worcester County Administration Office, 1
West Market Street, Room 1103, Snow Hill, MD 21863, in order to be received prior to the
announced proposal deadline. Proposals received after said time or delivered to the wrong
location will be returned to the Vendor unopened.
3. Proposals are due and will be opened at the time listed on the front of this Proposal
Document.
4. If you are delivering a proposal in person, please keep in mind to allow time to get through
security and into the Administration Office. It is fully the responsibility of the Vendor to ensure
that the proposal is received on time.
5. The County will not speculate as to reasonableness of the postmark, nor comment on the apparent
failure of a public carrier to have made prompt delivery of the proposal.
6. Vendors, or their authorized agents, are expected to fully inform themselves as to the conditions,
requirements, and specifications before submitting Proposal Documents; failure to do so will be
at the Vendor's own risk.
7. A fully executed Affidavit of Qualification to Bid will be attached to each Proposal Document.
8. Minority vendors are encouraged to participate.
9. All Vendor submitted Proposal Documents will be valid for a minimum of sixty days from the
date of Proposal Document opening.
10. Electronically mailed proposals are not considered sealed proposals and will not be accepted.
F. OPENING OF PROPOSALS
1. Proposal Documents received on time will be opened publicly. Only the Vendors' names will be
read aloud for the record.
2. The Contract will be awarded, or all Proposal Documents will be rejected within sixty days from
the date of the Proposal Document opening.
G. ACCEPTANCE OR REJECTION OF PROPOSALS
1. Unless otherwise specified, the Contract will be awarded to the most responsible and responsive
Vendor complying with the provisions of the Proposal Documents, provided the proposal does
not exceed the funds available, and it is in the best interest of the County to accept it. The County
reserves the right to reject the Proposal Documents of any Vendor who has previously failed to
perform properly in any way or complete on time contracts of a similar nature; or a Proposal
Document from a Vendor who, investigation shows, is not in a position to perform the Contract;
or Proposal Documents from any person, firm, or corporation which is in arrears or in default to
the County for any debt or contract.
2. Completed Proposal Documents from Vendors debarred from doing business with the State of
Maryland or the Federal Government will not be accepted.
3. In determining a Vendor's responsibility, the County may consider the following qualifications,
in addition to price:
a. Ability, capacity, and skill to provide the commodities or services required within the
specified time, including future maintenance and service, and including current financial
statement or other evidence of pecuniary resources and necessary facilities.
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b. Character, integrity, reputation, experience and efficiency.
c. Quality of past performance on previous or existing contracts, including a list of current
and past contracts and other evidence of performance ability.
d. Previous and existing compliance with laws and ordinances relating to contracts with the
County and to the Vendor's employment practices.
e. Evidence of adequate insurance to comply with Contract terms and conditions.
f. Statement of current workload and capacity to perform/provide the Goods and/or
Services.
g. Explanation of methods to be used in fulfilling the Contract.
h. The Vendor, if requested, will be prepared to supply evidence of its qualifications, listed
above, and its capacity to provide/perform the Goods and/or Services; such evidence to
be supplied within a specified time and to the satisfaction of the County.
4. In determining a Vendor's responsiveness, the County will consider whether the Proposal
Document conforms in all material respects to the Proposal Documents. The County reserves the
right to waive any irregularities that may be in its best interest to do so.
5. The County will have the right to reject any and all Proposal Documents, where applicable to
accept in whole or in part, to add or delete quantities, to waive any informalities or irregularities
in the Proposal Document received, to reject a Proposal Document not accompanied by data
required by the Proposal Documents, and to accept or reject any Proposal Document which
deviates from specifications when in the best interest of the County. Irrespective of any of the
foregoing, the County will have the right to award the Contract in its own best interests.
H. QUALIFICATIONS
1. The Vendor must be in compliance with the laws regarding conducting business in the State of
Maryland.
2. All Vendors shall provide a copy Certificate of Status from the Maryland Department of
Assessments and Taxation, evidencing the Vendor is in good standing with the State of Maryland.
Certificates of status are not available for trade names, name reservations, government agencies,
sole proprietorships, and some other accounts as these are not legal entities and thus are not
required for these categories of Vendors.
3. Worcester County reserves the right, at its sole discretion, to extend the date this documentation
must be provided. The Vendor's inability to provide this documentation could result in the
proposal being rejected.
I. NOTICE TO VENDORS
1. Before a Vendor submits the Proposal Documents it will need to become fully informed as to the
extent and character of the Services required and are expected to completely familiarize
themselves with the requirements of this Proposal Document's specifications. Failure to do so
will not relieve the Vendor of the responsibility to fully perform in accordance therewith. No
consideration will be granted for any alleged misunderstanding of the material to be furnished or
the Services to be performed, it being understood that the submission of a Proposal Document is
an agreement with all of the items and conditions referred to herein.
END OF SECTION
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SECTION II: GENERAL INFORMATION
A. ECONOMY OF PROPOSAL
1. Proposal Documents will be prepared simply and economically, providing straightforward and
concise description of the Vendor's capabilities to satisfy the requirements of the Proposal
Documents. Emphasis should be on completeness and clarity of content. Elaborate brochures
and other representations beyond that sufficient to present a complete and effective Proposal
Document are neither required nor desired.
B. PUBLIC INFORMATION ACT (PIA)
1. Worcester County is subject to the Maryland Public Information Act and may be required to
release proposal submissions in accordance with the Act.
2. Any materials the Vendor deems to be proprietary or copyrighted must be marked as such;
however, the material may still be subject to analysis under the Maryland Public Information Act.
a. The Vendor may invoke proprietary information or trade secret protection for submission
of any data/material by (1) identifying the data/material in a written description, (2)
clearly marking the data/material as proprietary, and (3) providing a written statement
detailing the reasons why protection is necessary. The County reserves the right to ask for
additional clarification prior to establishing protection.
C. CONTRACT AWARD
1. A written award by the County to the Successful Vendor in the form of a Purchase Order or other
contract document will result in a binding Contract without further action by either party. If the
Successful Vendor fails or refuses to sign and deliver the Contract and the required insurance
documentation, the County will have the right to award to the next responsible and responsive
Vendor. Contract will be executed by the Successful Vendor within fourteen calendar days of
receipt of the Contract.
2. Proposal Documents and Contracts issued by the County will bind the Vendor to applicable
conditions and requirements herein set forth, unless otherwise specified in the Proposal
Documents, and are subject to all federal, state, and municipal laws, rules, regulations, and
limitations.
3. County personal property taxes ("Taxes") must be on a current basis; if any such Taxes are
delinquent, they must be paid before award of Contract. Failure to pay will result in the award of
Contract to another Vendor.
4. The County reserves the right to engage in individual discussions and interviews with those
Vendors deemed fully qualified, responsible, suitable and professionally competent to provide the
required Goods and/or Services should the project size warrant it. Vendors will be encouraged to
elaborate on their qualifications, performance data, and staff expertise.
D. AUDIT
1. The Successful Vendor agrees to retain all books, records, and other documents relative to the
awarded Contract for five years after final payment, or until audited. The County, its authorized
agents, and/or State auditors will have full access to and the right to examine any of said materials
during said period.
E. NONPERFORMANCE
1. The County reserves the right to inspect all operations and to withhold payment for any goods
and/or services not performed or not performed in accordance with the specifications in this
Proposal Document. Errors, omissions or mistakes in performance will be corrected at no cost to
the County. Failure to do so will be cause for withholding of payment for that Goods and/or
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Services. In addition, if deficiencies are not corrected in a timely manner, the County may
characterize the Successful Vendor as uncooperative, which may jeopardize future project order
solicitations.
F. MODIFICATION OR WITHDRAWAL OF PROPOSAL
1. A Proposal Document may not be modified, withdrawn, or cancelled by the Vendor during the
stipulated time period following the time and date designated for the receipt of Proposal
Documents, and each Vendor so agrees in submitting Proposal Documents.
G. DEFAULT
1. The Contract may be cancelled or annulled by the County in whole or in part by written notice of
default to the Successful Vendor upon non-performance, violation of Contract terms, delivery
failure, bankruptcy or insolvency, any violation of state or local laws, or the making of an
assignment for the benefit of creditors. An award may then be made to the next most highly rated
Vendor, or when time is of the essence, similar commodities and/or service may be purchased on
the open market. In either event, the defaulting Vendor (or his surety) will be liable to the County
for cost to the County in excess of the defaulted Contract price.
2. If a representative or warranty of either Party to the Contract is false or misleading in any
material respect, or if either Party breaches a material provision of the Contract ("Cause"), the
non-breaching Party will give the other Party written notice of such cause. If such Cause is not
remedied within fifteen calendar days ("Cure Period") after receipt of such notice, (unless, with
respect to those Causes which cannot be reasonably corrected or remedied within the Cure
Period, the breaching Party will have commenced to correct or remedy the same within such Cure
Period and thereafter will proceed with all due diligence to correct or remedy the same), the Party
giving notice will have the right to terminate this Contract upon the expiration of the Cure Period.
H. COLLUSION/FINANCIAL BENEFIT
1. The Vendor certifies that his/her Proposal is made without any previous understanding,
agreement, or connection with any person, firm, or corporation making a Proposal Document for
the same project; without prior knowledge of competitive prices; and is in all respects fair,
without outside control, collusion, fraud, or otherwise illegal action.
2. Upon signing the Proposal Document, Vendor certifies that no member of the governing body of
the County, or members of his/her immediate family, including spouse, parents or children, or
any other officer or employee of the County, or any member or employee of a Commission,
Board, or Corporation controlled or appointed by the County Commissioners has received or has
been promised, directly or indirectly, any financial benefit, related to this Proposal Document and
subsequent Contract.
I. TAX EXEMPTION
1. In buying products directly from a Vendor, Worcester County is exempt from being directly
charged Federal excise and Maryland sales tax. A copy of an exemption certificate shall be
furnished upon request.
2. According to the Office of the Comptroller of Maryland, a Contractor is responsible for paying
sales tax on his/her purchases relating to any projects or services and should incorporate it into
their proposal.
3. Successful Vendors cannot use the County tax exemption to buy materials or products used on
County projects.
J. CONTRACT CHANGES
1. No claims may be made by anyone that the scope of the project or that the Vendor's Goods
and/or Services have been changed (requiring changes to the amount of compensation to the
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Vendor or other adjustments to the Contract) unless such changes or adjustments have been made
by an approved written amendment (Change Order) to the Contract signed by the Chief
Administrative Officer (and the County Commissioners, if required), prior to additional Goods
and/or Services being initiated. Extra Goods and/or Services performed without prior, approved,
written authority will be considered as unauthorized and at the expense of the Vendor. Payment
will not be made by the County.
2. No oral conversations, agreements, discussions, or suggestions, which involve changes to the
scope of the Contract, made by anyone including any County employee, will be honored or valid.
No written agreements or changes to the scope of the Contract made by anyone other than the
Procurement Officer (with the Chief Administrative Officer and/or County Commissioners
approval, if required) will be honored or valid.
3. If any Change Order in the Goods and/or Services results in a reduction in the Goods and/or
Services, the Vendor will neither have, nor assert any claim for, nor be entitled to any additional
compensation for damages or for loss of anticipated profits on Goods and/or Services that are
eliminated.
K. ADDENDUM
1. No oral statements of any person will modify or otherwise affect or interpret the meaning of the
Contract specifications, or the terms, conditions, or other portions of the Contract. All
modifications and every request for any interpretation must be addressed to Worcester County's
Procurement Officer and to be given consideration, must be received no later than the last day for
questions listed in Section I, Subsection C.3.
2. Any and all interpretations, corrections, revisions, and amendments will be issued by the
Procurement Officer to all holders of Proposal Documents in the form of written addenda.
Vendors are cautioned that any oral statements made by any County employee that materially
change any portion of the Proposal Documents cannot be relied upon unless subsequently ratified
by a formal written amendment to the Proposal Document.
3. All addenda will be issued so as to be received at least five days prior to the time set for receipt of
Proposal Documents and will become part of the Contract and will be acknowledged in the
Proposal Document form. Failure of any Vendor to receive any such addenda will not relieve
said Vendor from any obligation under the Proposal Document as submitted.
4. Vendors are cautioned to refrain from including in their Proposal Document any substitutions
which are not confirmed by written addenda. To find out whether the County intends to issue an
amendment reflecting an oral statement made by any employee, contact Worcester County's
Procurement Officer during normal business hours.
5. The Worcester County Procurement Officer reserves the right to postpone the Proposal Document
opening for any major changes occurring in the five-day interim which would otherwise
necessitate an Addendum.
L. EXCEPTIONS/ SUBSTITUTIONS
1. Any exceptions or substitutions to the technical requirements requested should be marked on the
proposal form and listed on a separate sheet of paper attached to the proposal.
2. An exception to the technical requirements may disqualify the proposal. The County will
determine if the exception is an essential deviation or a minor item.
3. In the case of a minor deviation, the County maintains the option to award to that Vendor if it
determines the performance is not adversely affected by the exception.
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M. INSURANCE
1. If required by the General Conditions or Terms and Conditions, the Successful Vendor shall
provide the County with Certificates of Insurance within ten calendar days of proposal award
notification evidencing the required coverage.
2. Successful Vendor must provide Certificates of Insurance before commencing work in
connection with the Contract.
N. PROPOSAL EVALUATION
1. Proposal tabulations will be posted on the County website at
https://www.co.worcester.md.us/commissioners/bids. Click on the Expired Bids & Results tab
and find the proposal tabulation for the proposal you are interested in. Proposal tabulations will
be posted as soon as reasonably possible after the Proposal opening.
O. GENERAL REQUIREMENTS
1. The Successful Vendor must be licensed to perform Work in the state of Maryland.
P. PAYMENT
1. The County will make payment(s) to the Successful Vendor within thirty calendar days from the
receipt of a proper invoice for approved and accepted work performed.
2. Unless otherwise noted, all additional charges shall be included in the price quoted.
a. This includes delivery, shipping, and any other materials (proofs, paper, etc.)
needed to successfully complete the project according to the terms described.
b. The County will not be responsible for any costs incurred by any vendor in
preparing and submitting a proposal.
c. Successful Vendor agrees to complete any necessary vendor paperwork as
required by the County.
Q. AWARD
1. The County intends to award to the Vendor whose Completed Proposal Documents represents the
best value to the County. In awarding such contracts, the Commissioners may consider lowest or
best bid, quality of goods and work, time of delivery or completion, responsibility of bidders,
local presence of bidders and previous experience of bidders with County contracts. The
Commissioners are not required to accept the lowest bid. The Commissioners may require
security or bond from the successful bidder for the performance of their contract. The provisions
of this section shall not be applicable to the engaging of an independent auditor or the awarding
of contracts for professional services.
END OF SECTION
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SECTION III: GENERAL CONDITIONS
A. SERVICES AND FACILITIES
1. It is understood that, except as otherwise specifically stated in the Proposal Documents, the
Successful Vendor shall provide all professional services, personnel, equipment, and resources
necessary to execute, complete, and deliver the Work within the specified time.
B. PROTECTION OF WORK, PROPERTY AND PERSONS
1. Successful Vendor will be responsible for initiating, maintaining and supervising all safety
precautions and programs in connection with the Work. Successful Vendor will take all
necessary precautions and programs in connection with the Work.
2. Successful Vendor will comply with all applicable laws, ordinances, rules, regulations and orders
of any public body having jurisdiction.
C. LICENSES AND PERMITS
1. The Successful Vendor shall have all necessary licenses required to do the work and give all
notices and obtain and pay all necessary permits required by local laws and regulations for
building.
2. The Successful Vendor shall identify and prepare all required permit applications for Worcester
County submission, with permit fees paid by the County.
D. SUPERVISION
1. The Successful Vendor shall maintain, at all times during the progress of work, a competent and
experienced supervisor who shall represent the Successful Vendor, and all directions given to him
shall be binding. Important decisions regarding directions, if requested by the supervisor, shall be
confirmed in writing.
2. Supervision by the County or its representative does not relieve the Successful Vendor of
responsibility for defective work executed under the direct control of the Successful Vendor.
Responsibility for defective work rests upon the Successful Vendor, whether discovered by the
County prior to final payment or subsequent thereto.
E. CHANGES IN WORK
1. The County, without invalidating the contract, may order extra work or make changes by altering,
adding or deducting from the work with the contract sum being adjusted accordingly.
2. All such work shall be executed under the conditions of the original contract, except that any
claim for the extension of time caused thereby shall be adjusted at the time of ordering such
change.
3. The value of any such extra work or change shall be determined in one or more of the following
ways:
a. By estimate and acceptance of lump sum.
b. By unit prices named in the contract or subsequently agreed upon.
F. TIME FOR COMPLETION
1. The Work contemplated under this Contract shall be considered as continuous and be completed
within the timeframe(s) stated in Section IV of this Proposal Document.
G. CONSTRUCTION SAFETY AND HEALTH STANDARDS
1. It is a condition of this contract, and shall be made a condition of each sub-contract entered into
pursuant to this contract, that the Successful Vendor and any subcontractor shall not require any
personnel employed in performance of the contract to work in surroundings or under working
conditions which are unsanitary, hazardous, or dangerous to his health or safety, as determined
under construction safety and health standards (Title 29, Code of Federal Regulations, Part 1926,
formerly Part 1518, as revised from time to time, promulgated by the United States Secretary of
10