Attachment 003 - NASA Modified Grade A Specifications LNG.pdf

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NASA Agency-Wide Acquisition for the Supply of Liquified Natural Gas
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80KSC020R0032
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Attachment 003 NASA Modified Grade A Specification - LNG 80KSC020R0032

CLIN 001: Modified Grade A 98 Specification (GRC/PBS)

Property Modified Grade

A 98 Purity (CH4), % Vol, min 98.0 Ethane (C2H6), ppmV No Limit1 Propane (C3H8), ppmV No Limit1 Other volatile hydrocarbons, ppmV No Limit1

Nitrogen, ppmV, max 5000 Carbon dioxide, ppmV, max 500

Oxygen, ppmV, max 102

Other gaseous impurities, ppmV, max (i.e. Ar, H, He, Ne)

50002

Total volatile sulfur, ppmV, max 12

Water, ppmV, max 52

Non-volatile residue (NVR) & particulates, mg/L, max

1: No specific limit, but must be reported.

2: Analysis is required only upon request by the Government.

CLIN 002: Modified Grade A 95.5-98 Specification (KSC/CCSFS)

Modified Grade

A 95.5-98 Purity (CH4), % Mol, min 95.5 Purity (CH4), % Mol, max 98.0 Ethane (C2H6), % Mol No Limit1 Propane (C3H8), % Mol No Limit1 Butanes (C4H10), % Mol No Limit1 C5+ hydrocarbons, % Mol No Limit1 Ethane to propane, molar ratio min 5:1

Ethane to C4+ hydrocarbons, molar ratio min 10:1

Nitrogen, % Mol, max 0.2 Carbon dioxide, ppm, max 150 Other gaseous impurities, ppm, max (i.e. Ar, H, He, Ne)

Total volatile sulfur, ppm Mol, max 10

1: No specific limit, but must be reported in % Mol

CLIN 003: Modified Grade A 97 Specification (MSFC)

Modified Grade

A 97 Purity (CH4), % Vol, min 97.0 Ethane (C2H6), ppmV No Limit1 Propane (C3H8), ppmV No Limit1 Other volatile hydrocarbons, ppmV No Limit1

Nitrogen, ppmV, max 5000 Carbon dioxide, ppmV, max 500

Oxygen, ppmV, max 102

Other gaseous impurities, ppmV, max (i.e. Ar, H, He, Ne)

50002

Total volatile sulfur, ppmV, max 12

Water, ppmV, max 52

Non-volatile residue (NVR) & particulates, mg/L, max

1: No specific limit, but must be reported.

2: Analysis is required only upon request by the Government.

File details come from the government source that posted it. Updated .