State Ag Limestone Classification Based on Standards of Fineness

Connecticut

Fine-sized:

95% passes 20-mesh screen

60% passes 60-mesh screen

50% passes 100-mesh screen

Medium-sized:

90% passes 20-mesh screen

50% passes 60-mesh screen

30% passes 100-mesh screen

Course-sized:

80% passes 20-mesh screen

20% passes 100-mesh screen

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Kentucky

Standard ground limestone:

90% passes 10-mesh screen

35% passes 50-mesh screen

Contain calcium magnesium carbonate equivalent of not less than 80% calcium carbonate

Limestone screenings:

Ground limestone not meeting above specifications.

The following equivalents are used to equal 1 ton of standard grade limestone:

1400 lbs of burned/hydrated lime

2000 lbs of agricultural granulated slag meeting 90% passes 10-mesh screen, 35% passing 50-mesh screen and 80% calcium carbonate equivalent.

2000 lbs of calcium silicate slag meeting 90% passes 10-mesh screen, 35% passing 50-mesh screen and 80% calcium carbonate equivalent.

3000 lbs of ground limestone screenings.

2400 lbs of ag marl having at least 75% calcium carbonate equivalent.

30,000 lbs of ag marl having calcium carbonate equivalent of <75%, but > 50%.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Maine

Fine-sized:

95% passes 20-mesh screen

60% passes 60-mesh screen

50% passes 100-mesh screen

Medium-sized:

90% passes 20-mesh screen

50% passes 60-mesh screen

30% passes 100-mesh screen

Course-sized:

All materials failing to meet minimums for either of above classifications.

Fineness classification systems will be used for all material types except for burnt lime, hydrated lime and marl.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Maryland

Maryland does not rank ag limestone into different categories based on fineness of grind.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Massachusetts

Fine-sized:

95% passes 20-mesh screen

60% passes 60-mesh screen

50% passes 100-mesh screen

Medium-sized:

90% passes 20-mesh screen

50% passes 60-mesh screen

30% passes 100-mesh screen

Course-sized:

80% passes 20-mesh screen

20% passes 100-mesh screen

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Michigan

Michigan does not rank ag limestone into different categories based on fineness of grind. The only area that fineness of grind affects Michigan producers is for growers that participate in the agricultural conservation programs. Michigan ASCS requires ground limestone to have a neutralizing value (CCE) of at least 80% with 85% of the material passing through an 8-mesh sieve and 25% passing through a 100-mesh sieve.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Nebraska

Nebraska does not rank ag limestone into different categories based on fineness of grind.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

New Hampshire

Fine-sized:

95% passes 20-mesh screen

60% passes 60-mesh screen

50% passes 100-mesh screen

Medium-sized:

90% passes 20-mesh screen

50% passes 60-mesh screen

30% passes 100-mesh screen

Course-sized:

Agricultural liming materials that fail to meet the minimum for fine-sized or medium-sized classification, as set forth in this section.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

New Jersey

Fine-sized:

95% passes through a 20-mesh screen

60% passes through a 60-mesh screen

50% passes through a 100-mesh screen

Medium-sized:

90% passes through a 20-mesh screen

60% passes through a 60-mesh screen

30% passes through a 100-mesh screen

Course-sized:

All liming materials that fail to meet one of the above mentioned categories for fineness.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

New York

New York does not rank ag limestone into different categories based on fineness of grind. The New York lime law does require at least 80% of the lime to pass a 20 mesh sieve and at least 30% to pass a 100 mesh sieve for the lime to be registered for sale.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

North Carolina

Calcitic lime or marl:

90% passes 20-mesh screen

25% passes 100-mesh screen

Dolomite lime:

90% passes 20-mesh screen

35% passes 100-mesh screen

Fine granular lime:

90% passes 20-mesh screen

10% passes 100-mesh screen

Pelletized dolomitic lime (before it is pelletized):

90% passes 20-mesh screen

35% passes 100-mesh screen

Pelletized calcitic lime (before it is pelletized):

90% passes 20-mesh screen

25% passes 100-mesh screen

These sizes were valid as of April 19, 2001. Consult North Carolina Department of Agriculture and Consumer Services website (www.ncagr.com/plantind/fert/limreg) for complete and most up to date regulations.

Ohio

Superfine liming materials:

100% passes 8-mesh screen

100% passes 20-mesh screen

95% passes 60-mesh screen

80% passes 100-mesh screen

Pulverized liming materials:

100% passes 8-mesh screen

95% passes 20-mesh screen

70% passes 60-mesh screen

60% passes 100-mesh screen

Ground liming materials:

95% passes 8-mesh

70% passes 20-mesh

50% passes 60-mesh

40% passes 100-mesh

Meal liming materials:

80% passes 8-mesh screen

50% passes 20-mesh screen

30% passes 60-mesh screen

20% passes 100-mesh screen

Screened liming materials:

80% passes 8-mesh screen

40% passes 20-mesh screen

15% passes 60-mesh screen

5% passes 100-mesh screen

Pelletized liming materials:

All products are to show % of material passing through the number 8, 20, 60, & 100-mesh screen before the product is pelletized.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Pennsylvania

Fine-sized material:

95% passes 20-mesh screen

60% passes 60-mesh screen

50% passes 100-mesh screen

Medium-sized material:

90% passes 20-mesh screen

50% passes 60-mesh screen

30% passes 100-mesh screen

Course-sized material:

All liming materials that fail to meet one of the above minimums for fineness.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Virginia

Pulverized limestone:

90% passes 20-mesh screen

70% passes 100-mesh screen

Ground limestone:

90% passes 20-mesh screen

50% passes 60-mesh screen

30% passes 100-mesh screen

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

West Virginia

Pulverized:

100% passes 20-mesh screen

70% passes 100-mesh screen

Ground:

90% passes 20-mesh screen

50% passes 60-mesh screen

35% passes 100-mesh screen

Coarse ground:

90% passes 10-mesh screen

40% passes 60-mesh screen

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.

Wisconsin

Wisconsin does not rank ag limestone into different categories based on fineness of grind. The Wisconsin Department of Agriculture has established index zones that the different liming materials are classified into. This is called the neutralizing value which takes into consideration the fineness of grind and the calcium carbonate equivalent.

This information was current as of April 30, 2001. Since laws and regulations are subject to change by the state government, consult the state department of agriculture for most up to date information.