SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------

                                    FORM S-8

                             REGISTRATION STATEMENT
                                      Under
                           The Securities Act of 1933


                                  Quantech Ltd.
             (Exact Name of Registrant as Specified in its Charter)


         Minnesota                                              41-1709417
  (State or Other Juris-                                    (I.R.S. Employer
 diction of Incorporation                                 Identification Number)
    or Organization)


                        815 Northwest Parkway, Suite 100
                             Eagan, Minnesota 55121
              (Address of Principal Executive Office and Zip Code)



                      Quantech Ltd. 1998 Stock Option Plan
                            (Full Title of the Plan)

                               Gregory G. Freitag
                                  Quantech Ltd.
                        815 Northwest Parkway, Suite 100
                             Eagan, Minnesota 55121
                                 (651) 647-6370
 (Name, Address and Telephone Number, Including Area Code, of Agent for Service)


                                   Copies to:
                                 Melodie R. Rose
                            Fredrikson & Byron, P.A.
                            1100 International Centre
                          Minneapolis, Minnesota 55402



                         CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>
======================== ====================== ====================== ====================== ======================
                                                                             Proposed
                                                  Proposed Maximum            Maximum
  Title of Securities        Amount to be          Offering Price            Aggregate              Amount of
   to be Registered          Registered(1)          Per Share(2)         Offering Price(2)      Registration Fee
======================== ====================== ====================== ====================== ======================
<S>                        <C>                       <C>                    <C>                     <C>
  Options to Purchase
Common Stock under the
       1998 Plan              Indefinite               $ 0.00                 $ 0.00                 $ 0.00

 Common Stock issuable
   upon exercise of
 options granted under
     the 1998 Plan
                           2,000,000 shares           $3.40625              $6,812,500              $1,798.50
        TOTAL:
                                                                                                    $1,798.50
======================== ====================== ====================== ====================== ======================
</TABLE>


(1)      In addition, pursuant to Rule 416 under the Securities Act of 1933,
         this Registration Statement also covers an indeterminate amount of
         interests to be offered or sold pursuant to the employee benefit plan
         described herein and any additional securities which may become
         issuable pursuant to anti-dilution provisions of the plan.

(2)      Estimated pursuant to Rule 457(h) solely for the purpose of calculating
         the registration fee and based upon the average of the bid and asked
         prices of the Registrant's Common Stock on September 25, 2000.


<PAGE>


         The purpose of this Registration Statement is to register additional
shares for issuance under the Registrant's 1998 Stock Option Plan. The contents
of the Registrant's Registration Statement on Form S-8, Reg.
No. 333-70499, are incorporated herein by reference.



                                   SIGNATURES

         The Registrant. Pursuant to the requirements of the Securities Act of
1933, the Registrant certifies that it has reasonable grounds to believe that it
meets all of the requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Eagan and State of Minnesota, on the 29th day of
September, 2000.


                                  QUANTECH LTD.
                                  (the "Registrant")



                                  By       /s/ Robert Case
                                       Robert Case, Chief Executive Officer



         Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities and on the dates indicated.


                               (Power of Attorney)


         Each of the undersigned constitutes and appoints Robert Case and
Gregory G. Freitag his true and lawful attorney-in-fact and agent, each acting
alone, with full powers of substitution and resubstitution, for him and in his
name, place and stead, in any and all capacities, to sign the Form S-8
Registration Statement of Quantech Ltd. relating to the Company's 1998 Stock
Option Plan and any or all amendments or post-effective amendments to the Form
S-8 Registration Statement, and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorneys-in-fact and agents, each acting alone,

<PAGE>

full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes as the undersigned might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents, each acting
alone, or their substitute or substitutes, may lawfully do or cause to be done
by virtue hereof.


 Signature                          Title                            Date


/s/ Robert Case           Chief Executive Officer and         September 29, 2000
Robert Case               director (principal executive
                          officer)


/s/ Gregory G. Freitag    Chief Operating Officer, Chief      September 29, 2000
Gregory G. Freitag        Chief Financial Officer and
                          Secretary (principal financial
                          and accounting officer)


/s/ Robert W. Gaines, Jr., M.D.     Director                  September 29, 2000
Robert W. Gaines, Jr., M.D.


/s/ James F. Lyons                  Director                  September 29, 2000
James F. Lyons


/s/ Richard W. Perkins              Director                  September 29, 2000
Richard W. Perkins


                                    Director                  September   , 2000
Edward E. Strickland





<PAGE>






                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549





                                  QUANTECH LTD.


                         Form S-8 Registration Statement



                                  EXHIBIT INDEX


Exhibit
Number                              Exhibit Description

  5               Opinion and Consent of counsel re securities under the Plan
23.1              Consent of counsel (See Exhibit 5)
23.2              Consent of independent accountants
24                Power of attorney (See Signature Page)
[{"type": "S-8", "sequence": "1", "filename": "0001.txt", "description": "FORM S-8 FOR 1998 STOCK OPTION PLAN", "secsgml_size_bytes": 7469}]
{"company-data": {"conformed-name": "QUANTECH LTD /MN/", "cik": "0000880354", "assigned-sic": "3841", "irs-number": "411709417", "state-of-incorporation": "MN", "fiscal-year-end": "0630"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-46914", "film-number": "731741"}, "business-address": {"street1": "1419 ENERGY PARK DRIVE", "city": "ST PAUL", "state": "MN", "zip": "55108"}, "mail-address": {"street1": "1419 ENERGY PARK DRIVE", "city": "ST PAUL", "state": "MN", "zip": "55108"}, "former-company": {"former-conformed-name": "SPECTRUM DIAGNOSTICS SPA", "date-changed": "19930328"}}
SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------

                                    FORM S-8

                             REGISTRATION STATEMENT
                                      Under
                           The Securities Act of 1933

                                  Quantech Ltd.
             (Exact Name of Registrant as Specified in its Charter)

         Minnesota                                              41-1709417
  (State or Other Juris-                                    (I.R.S. Employer
 diction of Incorporation                                 Identification Number)
    or Organization)

                        815 Northwest Parkway, Suite 100
                             Eagan, Minnesota 55121
              (Address of Principal Executive Office and Zip Code)

                      Quantech Ltd. 1998 Stock Option Plan
                            (Full Title of the Plan)

                               Gregory G. Freitag
                                  Quantech Ltd.
                        815 Northwest Parkway, Suite 100
                             Eagan, Minnesota 55121
                                 (651) 647-6370
 (Name, Address and Telephone Number, Including Area Code, of Agent for Service)

                                   Copies to:
                                 Melodie R. Rose
                            Fredrikson & Byron, P.A.
                            1100 International Centre
                          Minneapolis, Minnesota 55402

                         CALCULATION OF REGISTRATION FEE
======================== ====================== ====================== ====================== ======================
                                                                             Proposed
                                                  Proposed Maximum            Maximum
  Title of Securities        Amount to be          Offering Price            Aggregate              Amount of
   to be Registered          Registered(1)          Per Share(2)         Offering Price(2)      Registration Fee
======================== ====================== ====================== ====================== ======================
Options to Purchase
Common Stock under the
       1998 Plan              Indefinite               $ 0.00                 $ 0.00                 $ 0.00

 Common Stock issuable
   upon exercise of
 options granted under
     the 1998 Plan
                           2,000,000 shares           $3.40625              $6,812,500              $1,798.50
        TOTAL:
                                                                                                    $1,798.50
======================== ====================== ====================== ====================== ======================
(1)      In addition, pursuant to Rule 416 under the Securities Act of 1933,
         this Registration Statement also covers an indeterminate amount of
         interests to be offered or sold pursuant to the employee benefit plan
         described herein and any additional securities which may become
         issuable pursuant to anti-dilution provisions of the plan.

(2)      Estimated pursuant to Rule 457(h) solely for the purpose of calculating
         the registration fee and based upon the average of the bid and asked
         prices of the Registrant's Common Stock on September 25, 2000.
The purpose of this Registration Statement is to register additional
shares for issuance under the Registrant's 1998 Stock Option Plan. The contents
of the Registrant's Registration Statement on Form S-8, Reg.
No. 333-70499, are incorporated herein by reference.

                                   SIGNATURES

         The Registrant. Pursuant to the requirements of the Securities Act of
1933, the Registrant certifies that it has reasonable grounds to believe that it
meets all of the requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Eagan and State of Minnesota, on the 29th day of
September, 2000.

                                  QUANTECH LTD.
                                  (the "Registrant")

                                  By       /s/ Robert Case
                                       Robert Case, Chief Executive Officer

         Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities and on the dates indicated.

                               (Power of Attorney)

         Each of the undersigned constitutes and appoints Robert Case and
Gregory G. Freitag his true and lawful attorney-in-fact and agent, each acting
alone, with full powers of substitution and resubstitution, for him and in his
name, place and stead, in any and all capacities, to sign the Form S-8
Registration Statement of Quantech Ltd. relating to the Company's 1998 Stock
Option Plan and any or all amendments or post-effective amendments to the Form
S-8 Registration Statement, and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorneys-in-fact and agents, each acting alone,
full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes as the undersigned might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents, each acting
alone, or their substitute or substitutes, may lawfully do or cause to be done
by virtue hereof.

 Signature                          Title                            Date

/s/ Robert Case           Chief Executive Officer and         September 29, 2000
Robert Case               director (principal executive
                          officer)

/s/ Gregory G. Freitag    Chief Operating Officer, Chief      September 29, 2000
Gregory G. Freitag        Chief Financial Officer and
                          Secretary (principal financial
                          and accounting officer)

/s/ Robert W. Gaines, Jr., M.D.     Director                  September 29, 2000
Robert W. Gaines, Jr., M.D.

/s/ James F. Lyons                  Director                  September 29, 2000
James F. Lyons

/s/ Richard W. Perkins              Director                  September 29, 2000
Richard W. Perkins

                                    Director                  September   , 2000
Edward E. Strickland
SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  QUANTECH LTD.

                         Form S-8 Registration Statement

                                  EXHIBIT INDEX

Exhibit
Number                              Exhibit Description

  5               Opinion and Consent of counsel re securities under the Plan
23.1              Consent of counsel (See Exhibit 5)
23.2              Consent of independent accountants
24                Power of attorney (See Signature Page)