EPA Form 6700-05

OMB Control No. 20XX-XXXX 

Approval expires XX/XX/XX 

The public reporting and record keeping burden for this collection of information is estimated to average 30 minutes per 

response. Send comments on the Agency's need for this information, the accuracy of the provided burden estimates, and any suggested 

methods for minimizing respondent burden, including through the use of automated collection techniques to the Director, Collection Strategies 

Division, U.S. Environmental Protection Agency (2822T), 1200 Pennsylvania Ave., NW, Washington, D.C. 20460. Include the OMB control 

number in any correspondence. Do not send the completed form to this address.

*Please Note: This is a complete list of the questions found in this survey. Depending on how the 

respondent answers the subsequent questions asked will vary.

Data Tracking Form for On-Farm Anaerobic Digesters Co-Digesting Food-based Materials

Project/Facility Information

1. Please provide the following information about your Project/Farm.

Project/Farm Name

Street address

City/Town

State

Zip code

Phone Number

2. Please provide the following information for the contact person for facility operations

Name

Title

Email Address

Phone number

3. Please provide the contact address (if different from Facility Address)

Street address

City/Town

State

Zip code

Organic Waste Processing

4. It is assumed that your anaerobic digestion system was primarily built to process livestock 

manures produced on your farm. In addition to this manure waste stream, are organic wastes

accepted from offsite sources and processed in your anaerobic digester (practice of codigestion)?

5. If organic waste is currently not accepted from offsite sources and processed in your anaerobic 

digester, is your facility planning for or interested in receiving organic wastes from offsite?

Facility operating status:

6. Please identify the status of your facility

a. Planning stage/Design stage/Permitting process 

b. Under construction
EPA Form 6700-05

c. Operational

d. Temporary shut-down

e. Ceased operation

f. Other

7. What is the targeted date for your co-digestion system to be operational?

8. What date did your co-digestion system become operational?

9. What date did your co-digestion system temporarily shut-down?

10. What is the targeted date for your co-digestion system to re-start operations?

11. What date did your co-digestion system cease operations?

12. Please state the reason your co-digestion system ceased operations.

On-Farm Co-Digestion Capacity

13. Taking into account the average volume of manure from your livestock processed in your 

anaerobic digestion system, please identify the available capacity to process other feedstocks 

from offsite sources.

14. Please indicate if this available capacity for processing feedstocks other than manure from your 

livestock is provided in gallons per year or tons per year.

15. Please identify the number of months during the year 2015 that your anaerobic digestion 

system received and processed feedstocks from offsite sources.

16. Does your farm accept and process food-based feedstocks from off-site sources?

17. What was the total volume of food-based materials received in liquid form and processed in the 

anaerobic digestion system at your farm during the 2015 calendar year? Please express your 

answer in gallons.

18. What was the total weight of food-based materials received in solid form and processed in the 

anaerobic digestion system at your farm during the 2015 calendar year? Please express your 

answer in tons.

19. Does your farm accept and process food-based feedstocks from off-site sources?

20. What was the total volume of non-food-based materials received in liquid form and processed in 

the anaerobic digestion system at your farm during the 2015 calendar year? Please express 

your answer in gallons.
EPA Form 6700-05

21. What was the total weight of non-food-based materials received in solid form and processed in 

the anaerobic digestion system at your farm during the 2015 calendar year? Please express 

your answer in tons.

Types of Feedstocks

22. Please identify the specific types of feedstocks that are received from offsite sources and 

processed in the co-digestion system at your farm. Check all that apply.

a. Beverage processing industry waste 

b. Crop residues 

c. Crude glycerine 

d. De-icing fluid 

e. Fats, oils and greases (FOG) 

f. Food processing industry waste

g. Food service waste, pre & post-consumer 

h. Fruit/vegetative wastes 

i. Lab (or Pharma) wastes

j. Litters 

k. Manure from other farms

l. Mixed yard waste

m. Paper mill wastes 

n. Rendering wastes 

o. Retail food waste 

p. Septage 

q. Source-separated commercial, institutional or residential organic wastes 

r. Wastewater solids (sludge)

s. Other (please specify) 

23. Are your tipping fees equal for all materials?

24. Which of the following ranges best represents your tipping fees for co-digesting liquid 

feedstocks?

a. N/A – Facility does not process liquid feedstock. 

b. Business Confidential/Prefer not to say 

c. $0.00-$0.05 per gallon

d. $0.06-$0.10 per gallon 

e. $0.11-$0.20 per gallon

f. $0.21-$0.50 per gallon 

g. $0.51-$1 per gallon 

h. > $1 per gallon 

25. Which of the following ranges best represents your tipping fees for co-digesting solid 

feedstocks?

a. N/A – Facility does not process solid feedstock. 

b. Business Confidential/Prefer not to say 

c. $0-$10 per ton

d. $11-$20 per ton 
EPA Form 6700-05

e. $21-$30 per ton 

f. $31-$40 per ton 

g. $41-$50 per ton 

h. $51-$60 per ton

i. $61-$70 per ton 

j. $71 or more per ton 

26. You indicated that you receive and co-digest the feedstocks identified below. The feedstocks 

identified in your answer to question 22 above will be listed on this page. Please indicate 

whether these feedstocks are in liquid form (with tipping fees in dollars per gallon) or solid form 

(with tipping fees in dollars per ton) or both?

27. You indicated that you receive and co-digest the feedstocks identified below in liquid form. The 

feedstocks identified in your answer to question 22 above will be listed on this page. Which of 

the following ranges best represents your tipping fee for these liquid feedstocks? 

a. Prefer not to say 

b. $0.00-$0.05 per gallon

c. $0.06-$0.10 per gallon 

d. $0.11-$0.20 per gallon

e. $0.21-$0.50 per gallon 

f. $0.51-$1 per gallon 

g. > $1 per gallon 

28. You indicated that you receive and co-digest the feedstocks identified below in solid form. The 

feedstocks identified in your answer to question 22 above will be listed on this page. Which of 

the following ranges best represents your tipping fee for these solid feedstocks?

a. Prefer not to say 

b. $0-$10 per ton

c. $11-$20 per ton 

d. $21-$30 per ton 

e. $31-$40 per ton 

f. $41-$50 per ton 

g. $51-$60 per ton

h. $61-$70 per ton 

i. $71 or more per ton

29. Please identify the sources of the feedstocks that are received and processed in the co-digestion 

system at your facility. Check all that apply.

a. Airports

b. Biodiesel production

c. Corporate complexes

d. Farmers Markets

e. Food/Beverage Processors

f. Fruit/Vegetable Farms
EPA Form 6700-05

g. Grocery Stores/Supermarkets

h. Healthcare 

i. Hospitality

j. Industrial

k. Laboratories/Pharmaceutical Companies

l. Other Livestock Farms

m. Municipal/Residential

n. Prisons

o. Restaurants and Food Service

p. Retail Stores

q. Schools

r. Sports and Entertainment Venues

s. Wastewater Treatment Plants

t. Other (please specify)

30. Please describe any pre-processing/de-packaging that is required before feedstocks from offsite 

sources are fed into the co-digestion system at your facility. 

31. Please identify the following specifications for your digester.

a. Temperature range

b. Wet or dry

c. Batch or continuous

d. Number of stages

32. How would you describe the anaerobic digestion system at your farm? (select all that apply)

a. Continuous Stirred Tank Reactor

b. High Rate Bioreactor

c. Plug Flow

d. Complete Mix

e. Covered Lagoon

f. Induced Blanket Reactor

g. Hydraulic Self-Stir Reactors

h. Hybrid

i. Fixed Film

j. Unknown

k. Other (please specify)

Product End-Uses

33. Please provide the average biogas production volume at your facility during calendar year 2015 

in one of the units identified below. 

a. SCFM

b. SCFD

c. SCFY
EPA Form 6700-05

d. Other

34. Is the biogas produced at this facility used onsite, sold or flared?

35. Please identify how the biogas produced in your digesters is used. It could be used onsite by the 

farm or offsite by a purchaser. Check all that apply.

a. Produce mechanical power 

b. Produce heat and electricity (CHP) 

c. Produce electricity (including net metering) 

d. Produce electricity (sold to grid) 

e. Fuel boilers and furnaces to heat digesters 

f. Fuel boilers and furnaces to heat other spaces 

g. Compressed to vehicle fuels: used for farm/personal vehicles 

h. Compressed to vehicle fuels: sold to customers 

i. Renewable natural gas (processed in order to inject to pipeline) 

j. Other (please specify) 

36. Are you able to utilize all of the biogas produced in the anaerobic digestion system at your farm?

37. Do you flare the excess biogas?

38. Do you have a gas purification system?

39. What type of gas purification system do you have?

40. What is removed by your gas purification system? Check all that apply.

a. Moisture

b. Sulfur

c. Siloxanes

d. Carbon Dioxide

e. Compressed Gas

f. Other (please specify)

41. Do you beneficially re-use the solid digestate you produce? (Select all that apply)

a. Yes, de-watered/dried and land applied

b. Yes, land applied as is with no dewatering or drying

c. Yes, processed into animal bedding

d. Yes, composted into a reusable or salable product

e. Yes, processed into other salable products (e.g., flower pots)

f. No, landfilled

g. No, incinerated

h. Other (please specify)
EPA Form 6700-05

42. If any digestate was disposed of in landfills or incinerated in 2015, please specify the amount in 

tons or gallons (if known).

43. Is the de-watered/dried digestate further treated prior to land application?

44. Please indicate what the further treatment is and why it is necessary.

45. How do you manage the liquid digestate you produce? Check all that apply.

a. Beneficially reused as fertilizer via land application

b. Recirculated through digester

c. Discharged to a wastewater treatment plant

d. Other (please specify)

46. Is the liquid digestate further treated prior to land application?

47. Please indicate what the further treatment is and why it is necessary.

48. Do you recover nutrients from your digestate?

a. No

b. Yes, phosphorous recovery by chemical precipitation (e.g., struvite)

c. Yes, ammonia recovery

d. Other (please specify)