UNITED STATES

SECURITIES AND EXCHANGE
COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Item 5.

Interest in Securities of the Issuer

Item 5 is hereby amended and restated in its entirety as follows:

According to Heritage’s Proxy Statement for its 2004 Annual Meeting of Shareholders, filed with the Securities and Exchange Commission on April 7, 2004, there were 11,495,008 shares of common stock issued and outstanding as of April 1, 2004.  Except as provided in the preceding sentence, the information contained in this Item 5 is as of April 5, 2004.

Arthur C. Carmichael, Jr.

(a)

Number of shares beneficially owned: 80,293 (0.70%% of the Common Stock).

(b)

Number of shares as to which such person has:

(i)     Sole power to vote or direct the vote: 78,865

(ii)    Shared power to vote or direct the vote: 1,428

(iii)   Sole power to dispose or to direct the disposition of: 78,865

(iv)   Shared power to dispose or to direct the disposition of: 0

Of the shares beneficially owned by Arthur Carmichael as of April 5, 2004:

•       he had sole voting and dispositive authority over (i) 66,369 shares which he personally owned, (ii) 9,900 shares that may be acquired upon the exercise of currently exercisable stock options owned by Mr. Carmichael and (iii) 2,596 shares held by Mr. Carmichael for the benefit of his children

•       he shared voting authority with Margaret Frasse over 714 shares held for the benefit of Margaret Frasse in care of Arthur C. Carmichael, Jr. (see Schedule I for information relating to Margaret Frasse)

•       he shared voting authority with Ann Frasse Stowe over 714 shares held for the benefit of Ann Frasse Stowe in care of Arthur C. Carmichael, Jr. (see Schedule II for information relating to Ann Frasse Stowe)

(c)

In March, 2004, Mr. Carmichael exercised options for 14,292 shares of Common Stock at an exercise price of $3.50 per share and options for 4,950 shares of Common Stock at an exercise price of $5.25 per share. Except for the transaction described in the preceding sentence, Arthur C. Carmichael, Jr. has not engaged in any transactions in the Common Stock during the past 60 days.

(d)

Other than as described above in this Item 5, no person has the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, the Common Stock beneficially owned by Arthur C. Carmichael, Jr.

(e)

Not applicable

James L. D’Amico

(a)

Number of shares beneficially owned: 106,700 (0.93% of the Common Stock).

(b)

Number of shares as to which such person has:

(i)     Sole power to vote or direct the vote: 106,7000

(ii)    Shared power to vote or direct the vote: 0

(iii)   Sole power to dispose or to direct the disposition of: 106,700

(iv)   Shared power to dispose or to direct the disposition of: 0

Of the shares beneficially owned by James L. D’Amico as of April 5, 2004:

•       he had sole voting and dispositive authority over (i) 8,000 shares which he personally owned in a Roth IRA and (ii) 98,700 shares held by the D’Amico Tire Service Company, Inc. Profit Sharing Plan, of which Mr. D’Amico was the sole trustee

(c)

James D’Amico has not engaged in any transactions in the Common Stock during the past 60 days.

(d)

Other than as described above in this Item 5, no person has the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, the Common Stock beneficially owned by James L. D’Amico.

(e)

Not applicable

 Tracey Enfantino

(a)

Number of shares beneficially owned: 39,745 (0.35% of the Common Stock).

(b)

Number of shares as to which such person has:

(i)     Sole power to vote or direct the vote: 12,850

(ii)    Shared power to vote or direct the vote: 26,895

(iii)   Sole power to dispose or to direct the disposition of: 12,850

(iv)   Shared power to dispose or to direct the disposition of: 26,895

Of the shares beneficially owned by Tracey Enfantino as of April 5, 2004:

•       she had sole voting and dispositive authority over 12,850 shares that may be acquired upon the exercise of currently exercisable stock options owned by Ms. Enfantino

•       she shared voting and dispositive authority with her husband, Eugene Enfantino, over 25,469 shares owned as joint tenants (see Schedule III for information relating to Eugene Enfantino)

•       she shared voting and dispositive authority, as a trustee, over 25,469 shares held by the Environmental Systems, Inc. Profit Sharing Plan (see Schedule IV for information relating to the other trustees of the Environmental Systems, Inc. Profit Sharing Plan with whom Ms. Enfantino shares voting and dispositive authority)

(c)

The date of exercise, the number of shares received and the exercise price for all options exercised by Ms. Enfantino during the past 60 days is set forth on Exhibit B and incorporated herein by reference.  The trading date, number of shares sold and the price per share for all shares sold by Ms. Enfantino during the past 60 days is set forth on Exhibit B. All sales were effected in broker transactions.  Other than as set forth on Exhibit B, Ms. Enfantino has not engaged in any transactions in the Common Stock during the past 60 days.

(d)

Other than as described above in this Item 5, no person has the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, the Common Stock beneficially owned by Tracey Enfantino.

(e)

Not applicable

Robert W. Peters

(a)

Number of shares beneficially owned: 226,286 (1.97% of the Common Stock).

(b)

Number of shares as to which such person has:

(i)     Sole power to vote or direct the vote: 0

(ii)    Shared power to vote or direct the vote: 226,286

(iii)   Sole power to dispose or to direct the disposition of: 0

(iv)   Shared power to dispose or to direct the disposition of: 226,286

Of the shares beneficially owned by Robert W. Peters as of April 5, 2004:

•       he shared voting and dispositive authority, as a trustee, over 226,286 shares held by the Robert W. & Carolyn H. Peters 1992 (revocable) Trust UTA 1/10/92 (see Schedule V for information relating to the other trustee of the Trust with whom Mr. Peters shares voting and dispositive authority)

(c)

Robert W. Peters has not engaged in any transactions in the Common Stock during the past 60 days.

(d)

Other than as described above in this Item 5, no person has the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, the Common Stock beneficially owned by Robert W. Peters.

(e)

Not applicable

William Del Biaggio III

(a)

Number of shares beneficially owned: 136,294 (1.19% of the Common Stock).

(b)

Number of shares as to which such person has:

(i)     Sole power to vote or direct the vote: 136,294

(ii)    Shared power to vote or direct the vote: 0

(iii)   Sole power to dispose or to direct the disposition of: 136,294

(iv)   Shared power to dispose or to direct the disposition of: 0

Of the shares beneficially owned by William Del Biaggio III as of April 5, 2004:

•       he had sole voting and dispositive authority over (i) 5,429 shares which he personally owned in an IRA and (ii) 130,865 held by BDB Management, LCC, of which Mr. Del Biaggio III was the managing member

(c)

The trading date, number of shares purchased, and the price per share for all shares purchased during the past 60 days by Mr. Del Biaggio III is set forth in Exhibit B and incorporated herein by reference.  All trades were effected in broker transactions.   Other than as set forth on Exhibit B, Mr. Del Biaggio III has not engaged in any transactions in the Common Stock during the past 60 days.

(d)

Other than as described above in this Item 5, no person has the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, the Common Stock beneficially owned by William Del Biaggio III.

(e)

Not applicable

Gary L. Thornhill 

(a)

Number of shares beneficially owned: 7,138 (0.06% of the Common Stock).

(b)

Number of shares as to which such person has:

(i)     Sole power to vote or direct the vote: 4,286

(ii)    Shared power to vote or direct the vote: 2,852

(iii)   Sole power to dispose or to direct the disposition of: 4,286

(iv)   Shared power to dispose or to direct the disposition of: 2,852

Of the shares beneficially owned by Gary Thornhill as of April 5, 2004:

•       as general partner of the Gama Family Limited Partnership, he had sole voting and dispositive authority over 4,286 shares held by the Gama Family Limited Partnership 

•       he shared voting and dispositive authority with his wife, Mary L. Thornbill  (see Schedule VI for information relating to Mary L. Thornbill), over 2,852 shares they held as custodians for their children

(c)

Gary L. Thornhill has not engaged in any transactions in the Common Stock during the past 60 days.

(d)

Other than as described above in this Item 5, no person has the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, the Common Stock beneficially owned by Gary L. Thornhill.

(e)

Not applicable

Ranson W. Webster

(a)

Number of shares beneficially owned: 430,000 (3.74% of the Common Stock).

(b)

Number of shares as to which such person has:

(i)            Sole power to vote or direct the vote: 0

(ii)           Shared power to vote or direct the vote: 430,000

(iii)          Sole power to dispose or to direct the disposition of: 0

(iv)          Shared power to dispose or to direct the disposition of: 430,000

Of the shares beneficially owned by Ranson W. Webster as of April 5, 2004:

•       he shared voting and dispositive authority with his wife, Norma Webster, over 430,000 shares owned as joint tenants (see Schedule VII for information relating to Norma Webster)

(c)

Mr. Webster has not engaged in any transactions in the Common Stock during the past 60 days.

(d)

Other than as described above in this Item 5, no person has the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, the Common Stock beneficially owned by Ranson W. Webster.

(e)

Not applicable

William D. Dallas

(a)

Number of shares beneficially owned:  40,000 (0.35% of the Common Stock).

(b)

Number of shares as to which such person has:

(i)     Sole power to vote or direct the vote: 40,000

(ii)    Shared power to vote or direct the vote: 0

(iii)   Sole power to dispose or to direct the disposition of: 40,000

(iv)   Shared power to dispose or to direct the disposition of: 0

Of the shares beneficially owned by William D. Dallas as of April 5, 2004:

•       he had sole voting and dispositive authority over 40,000 shares which he personally owned

(c)

Mr. Dallas has not engaged in any transactions in the Common Stock during the past 60 days.

(d)

Other than as described above in this Item 5, no person has the right to receive or the power to direct the receipt of dividends from, or the proceeds of the sale of, the Common Stock beneficially owned by William D. Dallas.

(e)

Not applicable

Item 7.

Material to Be Filed as Exhibits

Item 7 is hereby amended and restated as follows:

Exhibit A        Joint Filing Statement

Exhibit B        Schedule of Transactions for Tracey Enfantino in the Shares of Heritage

Exhibit C        Schedule of Transactions for BDB Management, LLC (William Del Biaggio III) in the Shares of Heritage

DATE: May 3, 2004

/s/ Arthur C. Carmichael, Jr.

Arthur C. Carmichael, Jr.

/s/ James L. D’Amico

James L. D’Amico

/s/ Tracey Enfantino

Tracey Enfantino

/s/ Robert W. Peters

Robert W. Peters

/s/ William Del Biaggio III

William Del Biaggio III

/s/ Gary L. Thornhill

Gary L. Thornhill

/s/ Ranson W. Webster

Ranson W. Webster

/s/ William D. Dallas

William D. Dallas

/s/ Arthur C. Carmichael, Jr

Arthur C. Carmichael, Jr

/s/ James L. D’Amico

James L. D’Amico

/s/ Tracey Enfantino

Tracey Enfantino

/s/ Robert W. Peters

Robert W. Peters

/s/ William Del Biaggio III

William Del Biaggio III

/s/ Gary L. Thornhill

Gary L. Thornhill

/s/ Ranson W. Webster

Ranson W. Webster

/s/ William D. Dallas

William D. Dallas

Date of
Exercise

Number of Shares
Received

Exercise
Price

2/20/2004

2,292

$

3.50

3/24/2004

2,000

$

5.25

Date of
Transaction

Number of Shares
Sold

Price Per
Share

Total
Amount

2/20/2004

2,292

$

12.80

$

29,337.60

3/24/2004

2,000

$

12.35

$

24,700.00

Total

4,292

$

54,037.60

Date of
Transaction

Number of Shares
Purchased

Price Per
Share

Total
Amount

1/28/2004

5,000

$

12.92

$

64,607.95

2/17/2004

10,000

$

13.05

$

130,547.95

2/19/2004

7,500

$

13.04

$

97,785.45

2/20/2003

10,000

$

13.03

$

130,297.95

2/23/2004

800

$

12.85

$

10,287.95

2/25/2004

3,000

$

13.05

$

39,165.90

2/26/2004

7,000

$

13.01

$

91,099.90

3/01/2004

865

$

12.89

$

11,257.80

3/23/2004

10,000

$

12.63

$

126,332.95

3/24/2004

5,000

$

12.64

$

63,207.95

3/26/2004

5,000

$

12.93

$

64,657,95

Total

64,165

$

829,249.70

Trustee

Principal Occupation
or Employment

Name and Address
of Employer

Tracey Enfantino

See Item 2

See item 2

Eugene Enfantino

See Schedule III

See Schedule III

Vincent Enfantino

President, Environmental Systems, Inc.

3353 De La Cruz Blvd, Santa Clara, California 95054

Trustee

Principal Occupation
or Employment

Name and Address
of Employer

Robert W. Peters

See Item 2

See Item 2

Carolyn H. Peters

Retired

N/A